In theory, yes. Light that left the earth 65 million years ago is now 65 million light years away, and an alien with a big enough telescope pointed directly at the earth might be able to see dinosaurs. Practically, such a telescope would be impossibly huge.
Answer:
Hmm, rather unusual question. I think that if an alien were looking at Earth 100,000 light years away, I don't think it would be able to see Earth! But if it could, it would see a planet filled with life, buildings, water and land.
Step-by-step explanation:
Two video games, Star Chasers and Song Hero, had the same average price over a 10-month period. During that time, the price of Song Hero showed greater variability. If Song Hero was priced between $35 and $49 during the 10-month period, which statement is most likely true about price of Star Chasers during that time?
The highest price and the lowest price of the game differ by more than $14.
The highest price and the lowest price of the game differ by less than $14.
The mean price was more than $42.
The mean price was less than $42.
Answer:
The answer would be B. The highest price and the lowest price of the game differ by less than $14. Hope this helps!
B. The highest price and the lowest price of the game differ by less than $14.
Step-by-step explanation:Given is that the the price of Song Hero showed greater variability. This means their prices are more varied in range.
If Song Hero was priced between $35 and $49 during the 10-month period, This means the variability of Star chasers is less than [tex]49-35=$14[/tex]
Since, $14 is Song Hero’s range, the range for Star chasers should be less.
Therefore, option B is correct.
Find the roots of parabola given by the following equation
Answer:
3/2
-3
Step-by-step explanation:
here
Answer:
[tex]x = \frac32, x = -3[/tex]
Step-by-step explanation:
Hello!
We have to solve for x by using the quadratic formula.
Standard form of a quadratic: [tex]ax^2 + bx + c = 0[/tex]
Quadratic Formula: [tex]x = \frac{-b\pm\sqrt{b^2 - 4ac}}{2a}[/tex]
First, convert it into standard form:
[tex]2x^2 + 5x - 9 = 2x[/tex][tex]2x^2+3x - 9 = 0[/tex]Given our equtaion: [tex]2x^2+3x - 9 = 0[/tex]
a = 2b = 3c = -9Plug it into the formula and solve.
Solve[tex]x = \frac{-b\pm\sqrt{b^2 - 4ac}}{2a}[/tex][tex]x = \frac{-3\pm\sqrt{3^2 - 4(2)(-9)}}{2(2)}[/tex][tex]x = \frac{-3\pm\sqrt{9 +72}}{4}[/tex][tex]x = \frac{-3\pm\sqrt{81}}{4}[/tex][tex]x = \frac{-3\pm9}{4}[/tex][tex]x = \frac32, x = -3[/tex]The roots are 1.5 and -3.
The graph of the function f(x)=6/x-3 is shown below. What is the vertical asymptote of the function
Answer:
The vertical asymptote is [tex]x=3[/tex]
Step-by-step explanation:
we know that
The vertical asymptote is the value of x that makes the denominator equal to zero:
In this problem we have
[tex]f(x)=\frac{6}{x-3}[/tex]
[tex]x-3=0[/tex]
Solve for x:
[tex]x-3+3=0+3[/tex]
[tex]x=3[/tex]
The vertical asymptote is [tex]x=3[/tex]
see the attached figure to better understand the problem
What linear equation represents the graph of the line that coincides with the y-axis?
a. x =0
b. y = 0
c. x =3
Answer:
Option b. y = 0
Step-by-step explanation:
we know that
The slope of the line that coincides with the y-axis is equal to zero (horizontal line) and the equation is equal to
y=0
Write the expression as a single logarithm 4 log x-6 log (x+2)
Final answer:
To combine the expression 4 log x - 6 log (x+2) into a single logarithm, we use the exponentiation and division rules for logarithms to obtain log((x^4)/(x+2)^6).
Explanation:
To write the expression 4 log x - 6 log (x+2) as a single logarithm, we can apply log rules.
The logarithm of a number raised to an exponent is the product of the exponent and the logarithm of the number: log(x^n) = n log x.
The logarithm of a product of two numbers is the sum of the logarithms of the two numbers: log xy = log x + log y.
The logarithm of the number resulting from the division of two numbers is the difference between the logarithms of the two numbers: log(x/y) = log x - log y.
Using these rules, we can
rewrite the given expression:
4 log x - 6 log (x+2) can be rewritten as log(x^4) - log((x+2)^6), which simplifies to log((x^4)/(x+2)^6) according to the division rule for logarithms.
The expression [tex]4 log x - 6 log (x+2)[/tex] can be simplified as a single logarithm by using the logarithm properties of exponents and division, resulting in [tex]log(x^4 / (x+2)^6).[/tex]
Explanation:The student is asking to write the expression [tex]4 log x - 6 log (x+2)[/tex] as a single logarithm. To do this, we recall two important properties of logarithms:
The logarithm of a number raised to an exponent is the product of the exponent and the logarithm of the number: [tex]log(a^n) = n log a.[/tex]The logarithm of the division of two numbers is the difference between the logarithms of the two numbers: [tex]log(a/b) = log a - log b.[/tex]Using these properties, we can rewrite the expression:
First, apply the exponent property: 4 log x becomes log(x^4), and 6 log (x+2) becomes log((x+2)^6).Next, apply the division property:Therefore, the expression [tex]4 log x - 6 log (x+2)[/tex] written as a single logarithm is[tex]log(x^4 / (x+2)^6).[/tex]
The area of a circle is represented by 16 x pi. What is the length of a diameter of the circle?
Answer:
Diameter = 8
Step-by-step explanation:
Area of a circle: pi r^2
16 pi = r^2 pi
r^2 = 16
r = 4
And since the diameter is equal to 2r, the diameter is
2(4) = 8
What is the perimeter of ΔABC?
Answer:
20
Step-by-step explanation:
Two tangent segments drawn to a circle from the same point outside the circle are congruent. The two tangents at A measure 2. The two tangents at B measure 5. The two tangents at C measure 3.
perimeter = 2 + 2 + 5 + 5 + 3 + 3
perimeter = 20
At 10:05 a.m., there are 2 microscopic bacteria cells in the bottle. At 10:15 a.m., there are 8 cells in the bottle. At what time will there be 64 cells in the bottle?
Answer:
The correct answer is 10:20 and 10:30 on E2020
Hope this helps you!
(p.s please mark me as brainlyest)
Step-by-step explanation:
I just took the test on E2020 and got 100% but if you want the work just ask and I'll explain it to you.
1. Complementary Angeles
2. Angel1-37
What is angel 4
3
Angel 1-40
What is angel 5
Answer:
1. D ∠4 and ∠5
2. C 37°
3. A 50°
Step-by-step explanation:
1. Complementary angles are those that add up to 90°.
From the diagram you can see that angles 4 and 5 together form right angle, so angles 4 and 5 are complementary.
2. Angles 1 and 4 are vertical angles. Vertical angles have the same measure, so
∠4=∠1=37°
3. From 1,
∠4+∠5=90°
From 2
∠1=∠4
Since ∠1=40°, then ∠4=40°
So,
∠5=90°-40°=50°
Help ASAP WILL MARK BRAINLIEST THANK YOU!
Answer:
D
Step-by-step explanation:
half of the miles he drove yesterday is (42/2) and +5 because he said five more than half.
hope this helps and is correct!
Answer:
○ D. (42 ÷ 2) + 5
Step-by-step explanation:
Five more than half tells it all. He 42 miles on Monday, then drove 5 more than half:
(42 ÷ 2) + 5
Half means you either multiply by ½, or divide by 2.
I am joyous to assist you anytime.
If ABC and GEF are congruent, the value of x is and the value of y is
Answer:
The value of x is 10, and the value of y is 6
Step-by-step explanation:
ABC and GEF are congruent
so
x - 8 = 2
x = 10
x - y = 4
10 - y = 4
y = 10 - 4
y = 6
Answer
x = 10, y = 6
Answer:
x = 10 and y = 6
Step-by-step explanation:
In the given figure ΔABC and ΔGEF are congruent which means all the corresponding sides of the given triangles should be congruent.
So measure of AC = mfg
x - 8 = 2
x = 2 + 8
x = 10
Similarly mBC = mEF
x - y = 4
10 - y = 4
y = 10 - 4 = 6
Therefore, answer are x = 10 and y = 6
I NEED HELP PLEASE!!!!!
Answer is 1)
3V= pi•h•r^2 divide both sides by (pi•h) ; 3V/pi•h = r^2; sqrt (3V/pi•h) =r
In Death Valley, California, the highest ground temperature recorded was 94°C on July 15, 1972. In the formula C= 5/9 (F - 32) , C represents the temperature in degrees Celsius and F represents the temperature in degrees Fahrenheit. To the nearest degree, what is the highest ground temperature in Death Valley in Fahrenheit?
Answer:
[tex]F=201.2\°[/tex]
Step-by-step explanation:
we know that
[tex]\°C=\frac{5}{9}[\°F-32][/tex]
For [tex]C=94\°[/tex]
substitute in the formula and solve for F
[tex]94=\frac{5}{9}[F-32][/tex]
[tex](\frac{9}{5})*94=[F-32][/tex]
[tex]F=(\frac{9}{5})*94+32[/tex]
[tex]F=201.2\°[/tex]
Find the area of the trapezoid!!!! PLEASE HELP!!!!
64 ft^2
54✔️3 ft^2
32✔️3 ft^2
48✔️3 ft^2
ANSWER
[tex]32 \sqrt{3} {ft}^{2} [/tex]
EXPLANATION
The area of a tra-pezoid is half times sum of the bases times the vertical height.
From the diagram ( see attachment) we use the Pythagoras Theorem to obtain,
[tex] {x}^{2} + {(4 \sqrt{3}) }^{2} = {8}^{2} [/tex]
[tex] {x}^{2} + 48 = 64[/tex]
[tex]{x}^{2} = 64 - 48[/tex]
[tex]{x}^{2}=16[/tex]
[tex]x = \sqrt{16} = 4ft[/tex]
This implies that , y=10-4=6ft
The area of tra-pezoid
[tex] = \frac{1}{2} (10 + 6) \times 4 \sqrt{3} [/tex]
[tex] = \frac{1}{2} (16) \times 4 \sqrt{3} [/tex]
[tex] = 8\times 4 \sqrt{3} [/tex]
[tex] = 32 \sqrt{3} {ft}^{2} [/tex]
A picture that measures 8 cm by 6 cm is to be surrounded by a mat. The mat is to
be surrounded by a mat. The mat is to be the same widt
all sides of the picture. The combined area of the mat and the picture is double the arca
What is the width of the mat to the nearest tenth? Include a diagram. (5)
Answer:
1.4 inches
Step-by-step explanation:
The picture is a rectangle 8 cm by 6 cm. The area of a rectangle is length * width. The area of the picture is 8 cm * 6 cm = 48 cm^2
After the mat is applied, the area doubles, so the new area will be 2 * 48 cm^2 = 96 cm^2.
Let the width of the mat be x. The mat has the same width all around the rectangular picture, so it adds x on each side of the length and x on each side of the width.
old length: 8
new length: 2x + 8
old width: 6
new width: 2x + 6
Area of the new rectangle with mat = new length * new width
area = (2x + 8)(2x + 6)
The new area is 96, so that give us an equation.
(2x + 8)(2x + 6) = 96
Use FOIL on the left side:
4x^2 + 12x + 16x + 48 = 96
Combine like terms, and subtract 96 from both sides:
4x^2 + 28x - 48 = 0
Divide both sides by 4:
x^2 + 7x - 12 = 0
To factor the trinomial, we need two numbers that add to 7 and multiply to -12. There are no such numbers, so we need to use the quadratic formula.
x = [-b +/- sqrt(b^2 - 4ac)]/(2a)
x = [-7 +/- sqrt(7^2 - 4(1)(-12)]/[2(1)]
x = [-7 +/- sqrt(49 + 48)]/2
x = [-7 +/- sqrt(97)]/2
x = 1.4 or x = -8.4
Since the mat cannot have a negative width, the negative solution is discarded.
Answer: The width of the mat is 1.4 inches.
Please help right away
Answer:
145
Step-by-step explanation:
The volume of the rectangular prism bin is area of base * height.
Base/top is a square, so area would be 150 * 150 = 22,500
Thus, volume of bin = 22,500 * 210 = 4,725,000
Using volume of sphere formula and given radius of each ball is 16cm, we can say that
Volume of 1 Ball = [tex]\frac{4}{3}\pi r^3 = \frac{4}{3}\pi (16)^3=17,157.28[/tex]
Since, 190% is including the packing, we can take volume of 1 ball (inclusive of packaging) to be 1.9 * 17,157.28 = 32,598.83
How many of this will fit in the bin, we divide bin volume by this:
Number of Balls = [tex]\frac{4,725,000}{32,598.83}=144.94[/tex]
Rounding, we can say that we can fit 145 balls, 2nd answer choice is right.
Amber's punch recipe called for 3 quarts of soda and 2 1/2 quarts of fruit juice how many quarts of soda will she need to make 100 quarts of the same punch
i
Step-by-step explanation:
3 quarts of soda + 2½ quarts of fruit juice = 5½ quarts of punch
Writing a proportion:
3 / 5½ = x / 100
5½ x = 300
x = 54 ⁶/₁₁
x ≈ 54.55
Michael earned 50.43 in 6.15 hours. how much did he earn in an hour?
Answer: $8.2
Step-by-step explanation:
Answer:
8.2 dollars an hour is the answer
Step-by-step explanation:
50.43 divided by 6.15 is 8.2
The graph of g(x), shown is a vertical shift of the graph of f(x)=2^x. Write the equation for g(x)
Answer:
It's D .
Step-by-step explanation:
The graph of f(x) = 2^x passes through the y axis at (0, 1).
The graph of g(x) passes through (0, 0) so g(x) = 2^x - 1.
Answer:
the equation for g(x) would be 2^x + 1.
-when shifting graph up, use x + ?
-when shifting graph down, use x - ?
-when shifting graph left, use ^(x + ?)
-when shifting graph right, use ^(x - ?)
I hope this helps you!
Use substitution to determine which of the following values for y are in the solution set of the inequality:
y + 12 > 34
Check all that are true.
y = 30
y = 20
y = 40
y = 10
Answer:
y = 30 and y = 40
Step-by-step explanation:
All you have to do is add 10 and 12, and see if its is greater than 34. Add the rest of the listed numbers to 12.
Which is the solution of the quadratic equation (4y – 3)2 = 72?
Answer:
y = 9.75
Step-by-step explanation:
(4y - 3)2 = 72
Opening the brackets;
8y - 6 = 72
8y = 72 + 6 = 78
y = 78 ÷ 8 = 9.75
Answer:
[tex]y = \frac{3+6\sqrt{2}}{4}\text{ and } y = \frac{3-6\sqrt{2}}{4}[/tex]
Step-by-step explanation:
Given quadratic equation,
[tex](4y-3)^2=72[/tex]
[tex]\implies 4y - 3 = \pm \sqrt{72}[/tex] ( Taking root on both sides )
[tex]4y=3 \pm 6\sqrt{2}[/tex] ( Additive property of equality ),
[tex]y = \frac{3 \pm 6\sqrt{2}}{4}[/tex] ( Division property of equality )
[tex]\implies y = \frac{3+6\sqrt{2}}{4}\text{ or }y =\frac{3-6\sqrt{2}}{4}[/tex]
Hence, the solution of the given equation is,
[tex]\implies y = \frac{3+6\sqrt{2}}{4}\text{ and }y =\frac{3-6\sqrt{2}}{4}[/tex]
Evaluate the expression -5(-2)-3(-4) answer this and you will be famous on tiktok
Answer:
120?
Step-by-step explanation:
-5 times -2 equals 10 (since a negative times negative equals positive)
10 times -3 equals -30
-30 times -4 equals 120
Hope this helps.
Note: this may be incorrect
Answer:
120
Step-by-step explanation:
3. Different sizes of ribbon need to be cut to go around various shapes. All of the following sizes are in inches.
(a) Without using your calculator, approximate the decimal equivalent of each number to the nearest
tenth
(b) Order the ribbon sizes from least to greatest.
tromont
Answer:
a. 2,2,3,3
b. 1.7 2.2 pi= 3.14 3.4= 2,2,3,3
Step-by-step explanation:
Write a function describing the relationship of the given variables.
V
varies directly with the square of
t
and when
t
=
6
,
V
=
108
V
=
Answer:
The function describing the relationship of V and t is V = 3t²
Step-by-step explanation:
* Lets explain the meaning of direct variation
- The direct variation is a mathematical relationship between two
variables that can be expressed by an equation in which one
variable is equal to a constant times the other
- If Y is in direct variation with x (y ∝ x), then y = kx, where k is the
constant of variation
* Now lets solve the problem
# V is varies directly with the square of t
- Change the statement above to a mathematical relation
∴ V ∝ t²
- Chang the relation to a function by using a constant k
∴ V = kt²
- To find the value of the constant of variation k substitute V and t
by the given values
∵ t = 6 when V = 108
∵ V = kt²
∴ 108 = k(6)² ⇒ simplify the power 2
∴ 108 = 36k ⇒ divide both sides by 36 to find the value of k
∴ 3 = k
- The value of the constant of variation is 3
∴ The function describing the relationship of V and t is V = 3t²
Maggie spent $46.20 to by pencil sharpeners for her gift shop. If each pencil sharpener cost 60 cents how many pencil sharpeners did she buy
Answer:
Maggie bought 77 pencil sharpeners
$46.20 divided by .60 = 77
Step-by-step explanation:
46.20÷0.60= 77
Maggie can buy 77 pencil sharpeners is she would like
Please, please, pppllleeeeaassssee
Mark Brainlyest
Question 3 answer please
Answer:
34.48
Step-by-step explanation:
Use PEMDAS
12.98-(7.6÷19)+22
12.98-0.4+22
12.48+22
34.48
Answer:
34.480000000000000000000000
Step-by-step explanation:
easy 4th grade math 1 Q 20 points whaaaaaaaaaaaaatt
yep ANSWER NOW!!!!!!!!!!!!!!!!!!!
Tessellation is when a shape is repeated without any gaps/ spaces and without overlapping.
The semi circle shape shown cannot be uses because there would be gaps on the inner part of the circle.
Ok i need a real math expert to help me with 1,2,or3 questions consider it a challenge diet one to answer gets thanked and is marked brainliest
Step-by-step explanation:
(picture explains)
Hope this helps!
The diagonal of a TV is 28 inches long. Assuming that thia diagonal forma a
pair of 30-60-90 right triangles, what are the exact length and width of the TV?
O
A. 55
inches by 568 inches
O B. 14 inches by 142 inches
O c. 56 inches by 56.5 inches
OD. 14 inches by 14,5 inches
Answer:
Hmm... None of these choices seem to be correct.
Step-by-step explanation:
In 30-60-90 triangles, the length of the shorter leg is half the length of the hypotenuse. In this case, the hypotenuse is the diagonal. So half of 28 is 14. Therefore, the width of the TV is 14 inches. This eliminates answer choices A and C, that would imply the answer is either B or D, but.....In 30-60-90 triangles, the length of the longer leg is [tex]\sqrt{3}[/tex] times the length of the shorter leg. So if we were being exact, the length of the TV is [tex]14\sqrt{3}[/tex] . And if we rounded, the length would be about 24.25. There is no choice in your options that is similar to our conclusions. Maybe you should contact your teacher about this. Have a nice day! :)The exact dimensions of the TV are approximately 14 inches by [tex]14\sqrt{3}[/tex] inches, which simplifies to 14 inches by 142 inches
The correct answer is:
B. 14 inches by 142 inches.
To find the exact length and width of the TV, we can use the properties of a 30-60-90 right triangle. In such a triangle, the side lengths are related as follows: the length of the side opposite the 30-degree angle is [tex]\( \frac{1}{2} \)[/tex] times the length of the hypotenuse, and the length of the side opposite the 60-degree angle is [tex]\( \frac{\sqrt{3}}{2} \)[/tex] times the length of the hypotenuse.
Given that the diagonal of the TV forms the hypotenuse of two 30-60-90 right triangles, let's denote the length and width of the TV as [tex]\( L \)[/tex] and [tex]\( W \)[/tex] respectively, and the length of the diagonal as [tex]\( D \).[/tex]
We have the following equations:
[tex]\[ L = \frac{1}{2}D \][/tex]
[tex]\[ W = \frac{\sqrt{3}}{2}D \][/tex]
Given that the diagonal [tex]\( D = 28 \)[/tex] inches, we can substitute this value into the equations to find the exact length and width:
[tex]\[ L = \frac{1}{2} \times 28 = 14 \text{ inches} \][/tex]
[tex]\[ W = \frac{\sqrt{3}}{2} \times 28 \approx 14\sqrt{3} \text{ inches} \][/tex]
Now, we need to rationalize the denominator for the width:
[tex]\[ W = 14\sqrt{3} \times \frac{\sqrt{3}}{\sqrt{3}} = \frac{42}{\sqrt{3}} \][/tex]
To rationalize the denominator, multiply both numerator and denominator by[tex]\( \sqrt{3} \):[/tex]
[tex]\[ W = \frac{42\sqrt{3}}{3} = 14\sqrt{3} \text{ inches} \][/tex]
So, the exact dimensions of the TV are approximately 14 inches by [tex]14\sqrt{3}[/tex] inches, which simplifies to 14 inches by 142 inches. Therefore, the correct answer is B.
Complete question:
The diagonal of a TV is 28 inches long. Assuming that the diagonal form a pair of 30-60-90 right triangles, what are the exact length and width of the TV?
A. 55 inches by 568 inches
B. 14 inches by 142 inches
C. 56 inches by 56.5 inches
D. 14 inches by 14.5 inches
Give some examples of trigonometric functions that generate periodic waves.
Answer:
1. Sine (sin) 2. Cosine (cos) 3. Tangent (tan) 4. Secant (sec) 5. Cosecant (csc) 6. Cotangent (cot) These functions are used to relate the angles of a triangle with the sides of that triangle.
Step-by-step explanation:
Sine and cosine functions are examples of trigonometric functions that generate periodic waves. These waves can be represented in equations like y = A sin(wt + p) and x(t) = A cos(wt + p), where A is the amplitude, w is the angular frequency, t is the time, and p is the phase shift.
Explanation:Trigonometric functions like the sine, cosine, and tangent functions are often used to generate periodic waves in mathematics and physics. For instance, simple harmonic motion, which is related to alternating cycles in physics, can be represented by sine and cosine functions.
Let's consider the example of a bouncing object on a spring. The object's position over time can be represented by a sine function, resulting in a wave-like pattern on a graph. A sine function generating a periodic wave would look like this: y = A sin(wt + p), where A is the amplitude, w is the angular frequency, t is the time, and p is the phase shift.
Another example is a cosine function that might represent a phase-shifted wave, like this: x(t) = A cos(wt + p). Again, A is the amplitude, w is the angular frequency, t is the time, and p is the phase shift. This function is effectively identical to the sine function but is shifted to the right on the x-axis.
Learn more about Trigonometric Functions and Periodic Waves here:https://brainly.com/question/12502943
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