Answer:
(x-10)(x+10)
Step-by-step explanation:
Here, the given expression,
[tex]x^2-100[/tex]
[tex]=(x)^2-(10)^2[/tex]
By using the identity [tex]a^2-b^2=(a+b)(a-b)[/tex]
[tex]=(x+10)(x-10)[/tex]
[tex]=(x-10)(x+10)[/tex] ( By the commutative property )
Since, further factorization is not possible,
Hence, the factors of [tex]x^2-100[/tex] are,
[tex](x-10)(x+10)[/tex]
Second option is correct.
which property is used below?
Distributive property
multiplication property of inequality
Subtraction property of inequality
Associative property of multiplication
Answer:
multiplication property of inequality
Step-by-step explanation:
-1/3 x - 2/3 ≥ 7x+3
We can multiply by 3 on each side to clear the fraction by the Multiplication property of inequality
Since c>0
and a≥b
ac ≥ bc
Point C(3.6, -0.4) divides in the ratio 3 : 2. If the coordinates of A are (-6, 5), the coordinates of point B are .
A (5,-4)
B (5,-2)
C (10,-4)
D (10,-2)
If point D divides in the ratio 4 : 5, the coordinates of point D are .
A (62/9,-4)
B (58/9,-4)
C (62/9,-2)
D (58/9,-2)
QUESTION 1
The point C(3.6, -0.4) divides AB in the ratio 3 : 2.
The coordinates of A are (-6, 5).
Let the coordinates of B be [tex](x_2,y_2)[/tex]
We use the formula:
[tex]x=\frac{mx_2+nx_1}{m+n}[/tex] to determine the x-coordinate of B.
We substitute the known values to obtain:
[tex]3.6=\frac{3x_2+2(-6)}{3+2}[/tex]
[tex]3.6=\frac{3x_2-12)}{5}[/tex]
[tex]3.6\times 5=3x_2-12[/tex]
[tex]18=3x_2-12[/tex]
[tex]18+12=3x_2[/tex]
[tex]30=3x_2[/tex]
This implies that:
[tex]x_2=10[/tex]
We also use the formula:
[tex]y=\frac{my_2+ny_1}{m+n}[/tex] to find the y-coordinate.
[tex]-0.4=\frac{3y_2+2(5)}{3+2}[/tex]
[tex]-0.4=\frac{3y_2+10}{5}[/tex]
[tex]-0.4\times 5=3y_2+10[/tex]
[tex]-2-10=3y_2[/tex]
[tex]-12=3y_2[/tex]
[tex]-4=y_2[/tex]
The coordinates of B are (10,-4)
QUESTION 2.
If point D divides CD in the ratio 4 : 5.
Then the coordinates of D are:
[tex](\frac{4(10)+5(3.6)}{4+5}, \frac{4(-4)+5(-0.4)}{4+5})[/tex]
[tex](\frac{58}{9}, \frac{-18}{9})[/tex]
The coordinates of D are [tex](\frac{58}{9}, -2)[/tex]
Is a triangle congruent
Answer: Yes
Step-by-step explanation:
When two triangles are congruent they will have exactly the same three sides and exactly the same three angles. The equal sides and angles may not be in the same position (if there is a turn or a flip), but they are there.
I have no idea how to do this someone helped me with this and got the right answer which is 11/17 but I got a totally different answer!! Please help! Explain.
Answer:
Step-by-step explanation: The reason is is because when adding and subtracting integers, you flip the operation sign that will be used to solve the problem.So when you flip the sign of this equation, you subtract. So that's how your answer was 11/17. Also it is positive because the biggest number is positive so that is what the solution will be.
Please mark brainliest!!!!!!
How do I solve this and please be helpful
Answer:
y < 1
Step-by-step explanation:
8y - 5 < 3
To solve this inequality, add 5 to both sides.
8y - 5+5< 3+5
8y < 8
Divide by 8 on both sides
8y/8 < 8/8
y <1
The measures of the angles of a hexagon are in the extended ratio 4 : 5 : 5 : 8 : 9 : 9. What is the measure of the smallest angle in the hexagon?
Answer:
[tex]72^{\circ}[/tex] is the measure of the smallest angle in the hexagon.
Step-by-step explanation:
As, we know that the sum of all the angles is 720 degrees.
Given: The measures of the angles of the hexagon are in the extended ratio 4 : 5 : 5 : 8 : 9 : 9.
Let x be the number used to simplify the size of each angle.
Sum of all the measure angles is 720 degrees
⇒[tex]4x+5x+5x+8x+9x+9x = 720^{\circ}[/tex]
Combine like terms;
[tex]40x = 720^{\circ}[/tex]
Divide both sides by 40 we get;
[tex]x = \frac{720}{40} = 18[/tex]
The measure of angles are:
[tex]4x = 4 \times 18 = 72^{\circ}\\5x = 5 \times 18 = 90^{\circ}\\5x = 5 \times 18 = 90^{\circ}\\8x = 8 \times 18 = 144^{\circ}\\9x = 9 \times 18 = 162^{\circ}\\9x = 9 \times 18 = 162^{\circ}[/tex]
Therefore; the measure of the smallest angle in the hexagon is, [tex]72^{\circ}[/tex]
There are six houses on Philips Road that each use, on average, between 1.58 units and 1.71 units of electricity for 2 to 4 hours. John estimates the total usage for all six houses to be approximately 28 units. Is this a reasonable estimate?
Answer:no it is not reasonable
Step-by-step explanation: take the Max average number and multiply it by six, it only reaches 10.26
John's estimation of 28 units of electricity usage for the six houses on Philips Road is considered reasonable since it falls within the calculated possible range of 18.96 to 40.08 units.
Explanation:To verify John's estimate, we need to consider the maximum and minimum electricity usage for the houses based on their given range of usage and time. On the high end, each house could use 1.71 units for 4 hours, which gives a total of 6.84 units per house.
Therefore, the total usage for all six houses would be 40.08 units (6 x 6.84 = 40.08). On the low end, each house could use 1.58 units for 2 hours, amounting to 3.16 units per house. The total for all houses would then be 18.96 units (6 x 3.16 = 18.96). Given this, John's estimate of 28 units falls within this range and can be considered reasonable.
Learn more about Electricity Consumption Estimate here:https://brainly.com/question/35336202
#SPJ3
30 points!!! Plzz help!!! Will give Brainliest!!!! Need help ASAP!!!!
Using the diagram shown, select all that apply to the pair of angles, 1 and 2.
A. acute
B. right
C. obtuse
D. adjacent
E. vertical
F. complementary
G. supplementary
Which transformation will carry pentagon EFGHI onto itself?
Answer:
D
Step-by-step explanation:
The pentagon has 5 interior angles that add up to 360. To find the angle of rotational symmetry, divide 360 by 5 (you get 72). So if you rotated the shape 72 degrees, it will map onto itself. 72 times 2 is 144, and that's rotating the shape 72 degrees twice, so it will stay the same.
A mathematical transformation that carries a pentagon onto itself is a rotation by 72 degrees or a multiple of 72 degrees, which are the internal angles of a regular pentagon.
Explanation:The question is referring to certain mathematical transformations that can be applied to shapes, specifically a pentagon. A transformation that will carry a shape onto itself, maintaining its form, is a symmetry operation. For a pentagon, one of these transformations could be a rotation. For example, if you rotate the pentagon 72 degrees or a multiple of 72 degrees (such as 144, 216, 288 degrees, etc.), it will land on itself because 72 degrees represents each internal angle of a regular pentagon.
Learn more about Transformations here:https://brainly.com/question/11709244
#SPJ2
Nathan took his car in for service and repairs. He had a coupon for 10% off. Original Prices • Labor $218.97 • Parts $303.47 • Other $77.78 Which amount is closest to Nathan's total costs after the 10% discount and including 6% sales tax? [Assume tax is applied after the discount is applied.] A. $573 B. $508 C. $540 D. $504
Answer:
C PLEASE GIVE BRAINLIEST
Step-by-step explanation:
218.97 + 303.47 + 77.78 = $600.22
600.22 x .10 = 60.02 (amount of discount)
600.22 - 60.02 = $540.20 (amount he owes)
Answer is C
Answer:The answer should be D
Step-by-step explanation:
Find the slope of:2y+8x=6
Answer:
-4
Step-by-step explanation:
The slope of the line given by the equation 2y + 8x = 6 is -4. This was found by converting the equation into slope-intercept form, y = mx + b.
To find the slope of the equation 2y + 8x = 6, we first need to convert it into slope-intercept form (y = mx + b), where m is the slope and b is the y-intercept.
Start with the given equation: 2y + 8x = 6Isolate y by subtracting 8x from both sides: 2y = -8x + 6Divide everything by 2 to solve for y: y = -4x + 3In the slope-intercept form y = -4x + 3, the coefficient of x is the slope -4.Therefore, the slope of the line is -4.
Jane moved from a house with 58 square feet of closet space to an apartment with 29.58 square feet of closet space. What is the percentage decrease of Jane's closet space? A. 96% B. 39% C. 49% D. 51% R
Which lines are parallel if m angle 1= m angle 2 ?
what is another way to write the expression P x (10 - 2)
A. 10 x 2 - P
B. (10 x 2) x P
C. (P x 10) - (P x 2)
D. (10 x 2) - P
(WILL GIVE BRAINLIEST)Find the polynomial function with real coefficients that has zeros 1, 1 , 2+ i sqrt 3
Answer:
[tex]x^3-x^2(4+i\sqrt{3} )+x(5+i2\sqrt{3} )-(2+i\sqrt{3} )=0[/tex]
Step-by-step explanation:
We have given that this polynomial has the given zeroes of 1, 1, and [tex]2+i\sqrt{3}[/tex], we can express the polynomial in a factored form where each zero has the form x-a (where a is our zero):
polynomial= [tex](x-1) (x-1) (2+i\sqrt{3})[/tex]
=[tex](x^2+1-2x) (2+i\sqrt{3})[/tex]
=[tex]x^3-x^2(4+i\sqrt{3} )+x(5+i2\sqrt{3} )-(2+i\sqrt{3} )=0[/tex]
A shopper wants to ensure he has enough cash to purchase a $59 coffee table, so he asks a clerk what the total will be with the sales tax included. The clerk tells him the total will be $61.36. What is the sales tax percentage?
Answer:
Step-by-step explanation:
First you have to subtract 59$ from 61.36 which will give you 2.36.Then you have to multiply 0.02 to 59 which equals 1.18.Then you multiply 0.04 by 59 which will give you the answer.Hope this helps!!!Your answer should be 0.04!!!Please Mark brainliest!!!!!
To find out the sales tax percentage, first find the amount paid in taxes by subtracting the original price from the total price. Then divide this tax amount by the original price and multiply by 100 to get the percentage, which is 4% in this case.
Explanation:To determine the sales tax percentage charged on the coffee table, we first calculate the total amount of sales tax paid. We subtract the original price of the table ($59) from the total amount paid with tax ($61.36) to find the amount of tax paid.
$61.36 - $59.00 = $2.36
Now, we'll convert the sales tax into a percentage of the original price. We do this by dividing the sales tax amount by the original price and then multiplying by 100 to get the percentage.
$2.36 ÷ $59 = 0.04 (rounded to two decimal places)
0.04 × 100 = 4%
Therefore, the sales tax percentage on the coffee table is 4%.
Learn more about Sales Tax Calculation here:https://brainly.com/question/18375545
#SPJ2
Which tables represent constant functions?
A function is a law that tells you how to associate inputs (x values) and outputs (y values).
In the case of constant functions, it doesn't matter which input you choose, the ouput must always be the same.
So, a constant function has always the same output (y values) for every input (x values) you feed.
Answer:
Third and last choices represent constant functions.Step-by-step explanation:
A constant function refers to those functions that only have one variable, which is constant. For example, x=2, y=4, x=-1, are constant function, because they don't variate.
From the given tables, the third and last choices are constant function, because you can observe that one variable doesn't variate. The third function has y=3 as the constant value, and the last table has y=-1 is the constant function.
Therefore, the right choices are third and last table.
You can spend at most $10 at the mall. You want to buy a book that costs $6.75 and a cold drink. Write and solve an inequality to represent the amount of money you can spend on your cold drink.
Plzz Hellp me!!!;(
Answer:
the amount of money you can spend on the drink is no more than 3.25
Step-by-step explanation
total is greater than/equal to cost of book plus cost of drink
10>/=6.75+x (x represents the drink)
x</=3.25
Answer: 10.00-6.75=find out yourself, EASY
Step-by-step explanation:
Since you have 10 dollars and you find a book and a cold drink for all 6.75
you will need to subtract the numbers to find your answer
solve for x -3x+6=2x-24
-30
-6
6
30
-3x + 6 = 2x - 24.
Add 3x to both sides.
6 = 5x - 24.
Add 24 to both sides.
30 = 5x.
Divide it all by 5.
x = 6.
You put 230 dollars in an account. The annual interest is 12% in 3 years. What is the principal you put into this account? PLEASE GIVE A FULL EXPLANATION!! I NEED HELPP
How do you do long division on 0.54?
Answer:
you put your divisor and add Dividend and see what that adds up to and get your answer
Step-by-step explanation:
Answer:
You add more 0
Step-by-step explanation:
what is the simplified form of 15x^5/20y^6*6y^4/5x^2
Answer:
The simplified form of the equation is 9x^3/10y^2 Good Luck!
Step-by-step explanation:
Answer:
if you go to a site called math papa it gives you the answer and how to do it
Step-by-step explanation:
First twelve mulitples of 4
Answer:
4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48
Step-by-step explanation:
4*1 = 4
4*2 = 8
4*3 = 12
and so on...
Answer:
4,8,12,16,20,24,28,32,36,40,44, and 48
Step-by-step explanation:
4*1=44*2=84*3=124*4=164*5=204*6=244*7=284*8=324*9=364*10=404*11=444*12=48please help me!!!!!! I cant do it
Average rate of change formula:
[tex]\dfrac{\Delta y}{\Delta x}[/tex]
[tex]\Delta y=6-1=5\\\\\Delta x=4.95-0.40=4.55[/tex]
[tex]\dfrac{\Delta y}{\Delta x}=\dfrac{5}{4.55}=\dfrac{500}{455}=\dfrac{100}{91}\approx1.1[/tex]
Gary ordered 30 pizzas for a party. 60% of the pizzas have 12 slices each. The remaining 40% of the pizzas have 10 slices each. Complete the model. Then complete the statements to find the total number of slices of pizza.
Answer:
60% of 30 is 18 and 40% of 30 is 12
18 x 12 = 216
12 x 10 = 120
216 + 120 = 336
Step-by-step explanation:
Answer: IN ORDER: 18,12,216,120,336
Step-by-step explanation: Got it right on TTM
I need the answer :(
Answer:
z = 62
y = 117
Step-by-step explanation:
Z
118 and z are supplementary.
z + 118 = 180 Supplementary angles add to 180. Subtract 118 from both sides.
z = 180 - 118 Do the subtraction
z = 62 Answer
Y
The interior angles of all quadrilaterals (convex) add up to 360 degrees.
y + z + 84 + 97 = 360 Given
62 + y + 84 + 97=360 Add
y + 243 = 360 Subtract 243 from both sides
y = 360 - 243 combine
y = 117 Answer
4x-y, when x=5 and y=6
Answer:14
Step-by-step explanation:
(4)(5)−6
=14
p(x)=x^2-x-6 q(x)=x-3 What is p(x)-q(x)
Answer:
[tex]x^{2} -2x-3 or the factored form (x+1)(x-3)[/tex]
Step-by-step explanation:
p(x) -q(x)=
[tex]x^{2} -x-6-x+3\\=x^{2} -2x-3[/tex]
[tex] \frac{2}{3} - \frac{4}{10} = [/tex]
what is the answer?
Answer:
8/30 (Simplified answer: 4/15)
Step-by-step explanation:
Find common denominators. Note the what you do to the denominator, you do to the numerator.
Multiply 10 to both the denominator & numerator of 2/3, and multiply 3 to both the denominator & numerator of 4/10
(10/10)(2/3) - (3/3)(4/10)
Simplify.
(20/30) - (12/30)
Simplify. Combine the terms
(20/30) - (12/30) = (20 - 12)/30 = 8/30
Simplify the fraction
(8/30)/(2/2) = 4/15
~
Equivalent expression for 3(4m - 2) -2 (m + 5)
Answer:
10m-16
Step-by-step explanation:
3(4m-2)-2(m+5)
Distribute 3 into the equation
12m-6 than do the same with -2
-2m-10
combine like terms
10m-16
simplify
Equivalent expressions are expressions that have equal values
The equivalent expression is [tex]10m - 16[/tex]
The expression is given as:
[tex]3(4m - 2) -2 (m + 5)[/tex]Open the brackets
[tex]3(4m - 2) -2 (m + 5) = 12m - 6 - 2m - 10[/tex]
Collect like terms
[tex]3(4m - 2) -2 (m + 5) = 12m- 2m - 6 - 10[/tex]
Evaluate the like terms
[tex]3(4m - 2) -2 (m + 5) = 10m - 16[/tex]
Hence, the equivalent expression is [tex]10m - 16[/tex]
Read more about equivalent expressions at:
https://brainly.com/question/2972832