Answer:
-2.4
Step-by-step explanation:
The solution to the given expression is -2.4.
How to evaluate and solve the given expression?In order to evaluate and solve this expression, we would have to apply the PEMDAS rule, where mathematical operations within the parenthesis (grouping symbols) are first of all evaluated, followed by exponent, and then multiplication or division from the left side of the equation to the right. Lastly, the mathematical operations of addition or subtraction would be performed from left to right.
Based on the information provided, we have the following mathematical expression:
[tex]\frac{16.8 - 1.2^2}{-4.3+3(-0.7)} =\frac{16.8 - 1.44}{-4.3 +(-2.1)}\\\\\frac{15.36}{-4.3-2.1} =\frac{15.36}{-4.3-2.1}\\\\\frac{15.36}{-6.4} =\frac{15.36}{-6.4}[/tex]
-2.4 = -2.4
Read more on expression here: brainly.com/question/16729936
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Complete Question:
Evaluate the expression.
[tex]\frac{16.8 - 1.2^2}{-4.3+3(-0.7)} =\frac{16.8 - 1.44}{-4.3 +(-2.1)}[/tex]
The points A (-3, -2), B (-3, 3) and C (5, 3) are 3 points.
What type of triangle is ABC?
Answer:
right triangle or scalene
hi help me right now i am dunb
Based on statistics for the past several seasons, the probability that the best player on a basketball team makes a free throw is eight tenths . The probability that the second-best player makes a free throw is StartFraction 13 Over 20 EndFraction . If both players attempt 140 free throws over a season, how many more free throws is the best player expected to make?
Answer: The best player is expected to make
21 more free throw(s).
Step-by-step explanation:
1) Make a proportion
2) Find the unknowns
3) subtract the grater number from the smaller one
4) That's it.
Answer:
Type the answer that the other person gave and boom. a.k.a 21
Step-by-step explanation:
Based on statistics for the past several seasons, the probability that the best player on a basketball team makes a free throw is 8/10
. The probability that the second-best player makes a free throw is 13/20
. If both players attempt 140 free throws over a season, how many more free throws is the best player expected to make?
HELP ME WITH THESE COORDINATES PLEASE!!!! ❤️
Answer:
5,4
Step-by-step explanation:
We normally plot the coordinates by (x,y)
Given,x=-5 units away=5(since there is no -ve direction)
y=4 units away=4(since there is no-ve direction)
We have,(x,y)=(5,4)
Now,move 5 units right from 0 in axis which lands to the written bottom 5 in x axis,then move 4 units up which will lead to 1 units less from 5 in y axis. (5,4)
Answer:
5,4
Step-by-step explanation:
We normally plot the coordinates by (x,y)
Given,x=-5 units away=5(since there is no -ve direction)
y=4 units away=4(since there is no-ve direction)
We have,(x,y)=(5,4)
Now,move 5 units right from 0 in axis which lands to the written bottom 5 in x axis,then move 4 units up which will lead to 1 units less from 5 in y axis. (5,4)
Hope this helps!!❤️❤️❤️
U should rly help plz
Answer:
Final result :
(sorry if this is long)
a3 - 5a2 + 4a + 5
Step by step solution :
Step 1 :
Equation at the end of step 1 :
((4a-(a3))-3)+(((2•(a3))-5a2)+8)
Step 2 :
Equation at the end of step 2 :
((4a-(a3))-3)+((2a3-5a2)+8)
Step 3 :
Checking for a perfect cube :
3.1 a3-5a2+4a+5 is not a perfect cube
Trying to factor by pulling out :
3.2 Factoring: a3-5a2+4a+5
Thoughtfully split the expression at hand into groups, each group having two terms :
Group 1: 4a+5
Group 2: a3-5a2
Pull out from each group separately :
Group 1: (4a+5) • (1)
Group 2: (a-5) • (a2)
Bad news !! Factoring by pulling out fails :
The groups have no common factor and can not be added up to form a multiplication.
Polynomial Roots Calculator :
3.3 Find roots (zeroes) of : F(a) = a3-5a2+4a+5
Polynomial Roots Calculator is a set of methods aimed at finding values of a for which F(a)=0
Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers a which can be expressed as the quotient of two integers
The Rational Root Theorem states that if a polynomial zeroes for a rational number P/Q then P is a factor of the Trailing Constant and Q is a factor of the Leading Coefficient
In this case, the Leading Coefficient is 1 and the Trailing Constant is 5.
The factor(s) are:
of the Leading Coefficient : 1
of the Trailing Constant : 1 ,5
Hope it helps!!
Help with this math question please
Answer:
A :572.3
Step-by-step explanation:
i used a circle calculator
Please Help! 13. List all of the elements of each set
a) Set of integer solutions of x^2≤3
Answer:
S = {-1, 0, 1}
Step-by-step explanation:
First we need to solve the inequation x^2<=3
Using square root in both sides, we have:
|x| <= 1.73
Separating the module in two, we have:
x <= 1.73
x >= 1.73
So we have that -1.73 <= x <= 1.73
Solving this inequation only with integer values, we have:
x = -1, x = 0 or x = 1
So the set of integer solutions is S = {-1, 0, 1}
Please help on math.
Answer:
Total area= 207 ft^2
Step-by-step explanation:
You can divide the figure to make 2 big rectangles.
The first has a base of 15 ft and a height of 15 ft
A1 = b * h
A1= 15 ft * 9 ft A1= 135 ft^2
The second has a base of 12 ft and a height of 6 ft
A2= b*h
A2= 12 ft * 6 ft
A2= 72 ft^2
Total area= A1+A2= 135 ft^2 + 72 ft^2
Total area= 207 ft^2
Element X decays radioactively with a half life of 10 minutes. If there are 510 grams
of Element X, how long, to the nearest tenth of a minute, would it take the element to
decay to 21 grams?
Answer:
46 minutes
Step-by-step explanation:
A circle with radius of 5 cm sits inside a 11 cm x 11 cm rectangle.
What is the area of the shaded region?
Round your final answer to the nearest hundredth.
Answer:
The area of the shaded region is 42.46 cm2
Step-by-step explanation:
Answer:
5 x 5 = 25
25 x 3.14 = 78.5
11 x11 = 121 - 78.5 = 42.5
42.5 cm
Step-by-step explanation:
What is the area length of a semi circle with the radius of2
Answer:
12.56
Step-by-step explanation:
Solve the system of equations.
y = 7x + 43
y= 2x + 13
a. (-6, 1)
b. (6, -1)
c. (6, 1)
d. No solution
Answer:
x=−6 and y=1
(a)
Which function is growing the fastest?
A) cubic C) linear
B) exponential D) quadratic
Answer: (C) the linear
Step-by-step explanation:
at x = 3 the y-value ... is growing
Answer:
Step-by-step explanation:
The rate of growth (the slope of the transformed curve) is first higher than for an exponential function, but later it goes down. ... Initially, the quadratic function grows much faster. The function x² grows from 0 to 1 in finite time, while the exponential function takes from minus infinity to 0.
Find the value of x. correct answer please
Answer:
[tex] x = \sqrt{30} [/tex]
Step-by-step explanation:
By Geometric mean property:
[tex]BD = \sqrt{3 \times 7} \\ BD = \sqrt{21} \\ by \: pythagoras \: theorem \\ {x}^{2} = { (\sqrt{21}) }^{2} + {(3)}^{2} \\ {x}^{2} = 21 + 9 \\ {x}^{2} = 30 \\ x = \sqrt{30} [/tex]
Willie had 55 baseball cards after trading with his friends. He traded 5 cards for one special card. Lee gave him 11 cards for a Mickey Mantel card. How many cards did Willie start with?
Answer:
49 baseball cards.
Step-by-step explanation:
First you want to add 5 cards to the 55 for the 5 he traded for the one. You get 60. Then subtract the 11 cards that he was given for the 1. You end up with 49 baseball cards.
Please help me please do!! I have limited time!! I will brainlist, 5 stars, thanks, ANYTHING to get an answer, even if it is incorrect! If you answer this question, go to my profile and answer the identical question below for EXTRA points!
Answer: 1. 4, 2. 2,
Step-by-step explanation: The small tire would make about 4 rotation, the big tire wold make about 2 rotations
Hope this helps :)
What is the slope of the line that contains these points?
Answer:
6
Step-by-step explanation:
The slope (m) can be found using the formula ...
m = (y2 -y1)/(x2 -x1)
Any pair of points will do. We can use the first two.
m = (2 -(-10))/(17 -15) = 12/2
m = 6
A bug is 1.2 cm up a wall and climbs up 1.7 cm each second. Another bug is 30 cm up the wall and climbs down 1.5 cm per second. After how many seconds will the bugs be the same height?
Seconds =
1.2 cm + ( 9 × 1.7 cm ) = 16.5 cm
30 cm - ( 9 × 1.5 cm ) = 16.5 cm
So the answer is 9 seconds!
Hope this helps :)
Let me know if my answer is incorrect or something :0
What is the volume of the following rectangular prism? 9/5 2/3
Answer:
1.2
Step-by-step explanation:
9/5*2/3=1.2
Answer:
1 1/5
Step-by-step explanation:
9/5 • 2/3 = 1.2 = 1 2/10 = 1 1/5
How much interest is earned on $140 at 7% for five years?
Answer:
49
Step-by-step explanation:
140*0.07*5= 49
what 3 numbers can be multiplied to make 106
Answer:
1 x 106 = 106
2 x 53 = 106
53 x 2 = 106
106 x 1 = 106
Step-by-step explanation:
(happy to help)
Answer:
1 x 106 = 106
2 x 53 = 106
53 x 2 = 106
106 x 1 = 106
Give me Brainliest Plz
The population of a city is 300,000 and the annual growth rate is 11%. Write an equation to model the population y after x years.
y=
Final answer:
The population of a city with an initial population of 300,000 and an 11% annual growth rate can be modeled by the exponential growth equation [tex]y = 300,000(1 + 0.11)^x,[/tex] where x represents the number of years.
Explanation:
To model the population growth of the city with an initial population of 300,000 and an annual growth rate of 11%, we use an exponential growth equation. This type of growth can be represented by the equation y = P(1 + r)^x, where P is the initial population, r is the growth rate in decimal form, and x is the number of years.
For this scenario, P = 300,000 and r = 0.11 (since 11% as a decimal is 0.11). Therefore, the equation to model the population, y, after x years is:[tex]y = 300,000(1 + 0.11)^x,[/tex]
This equation assumes that the growth rate remains constant over the years and that there are no other factors affecting the population size.
The temperature at 4:00 P.M. was − 12°C. By 11:00 P.M. the temperature had dropped 14°C. What was the temperature at 11:00 P.M.?
Answer:
-26
Step-by-step explanation:
If the temperature dropped by 14 degrees than it decreased by 14, which means we subtract:
-12-14= -26
A store sells two types of coffee: House blend and Premium blend. Each bag of House blend contains 3 pounds of Type A beans and 2 pounds of Type B beans. Each bag of Premium blend contains 7 pounds of Type A beans and 3 pounds of Type B beans. The store can use at most 105 pounds of Type A beans and at most 60 pounds of Type B beans. Each bag of House blend sells for $6 and each bag of Premium blend sells for $10. How many bags of each type of coffee should the store make in order to maximize its revenue? What is the maximum revenue?
Answer:
do 3 dived by 2 they the awnser times seven then add 105 then multiply 60 then carry the 3 then add 10 and 6 then add 16 to the awnser and boom!
Step-by-step explanation:
Amy‘s design features a polygon with congruent sides. All of the angles are obtuse. Which of the following polygons could be in Amy’s design? Square, trapezoid, equilateral triangle, or regular pentagon
Answer:
Trapezoid
Step-by-step explanation:
Answer:
Trapezoid I've had this and that's what i answered
Step-by-step explanation:
find two numbers whose sum is 24 and whose difference is 6.
Answer:
9 and 15
Step-by-step explanation:
Let the greater number be x and the smaller number be y.
x +y= 24 -----(1)
x -y= 6
x= y +6 -----(2)
Substitute (2) into (1):
y +6 +y= 24
2y +6= 24 (simplify)
2y= 24 -6 (-6 on both sides)
2y= 18
y= 18 ÷2
y=9
Substitute y= 9 into (2):
x= 9 +6
x= 15
Thus the numbers are 9 and 15.
Solve for d. 8d − 6 = 7d
Answer:1d
Step-by-step explanation:
Step-by-step explanation:
Bringing like terms on one side
8d - 7d = 6
d = 6
1. Determine if the following graph is a function. Explain your answer.
Answer:
yes
Step-by-step explanation:
It is a parabola, Every y has a unique x value
Complete the table of values for y=6-2x
Also please work out 6-2x=3
Answer:
Step-by-step explanation:
x=0 y=6-2*0=6
x=1 y=6-2*1=4
x=2 y=6-2*2=2
x=3 y=6-2*3=0
6-2x=3
-6 -6
-2x=-3
2x=3
:2 :2
x=3/2
x=1.5
The tallest building in Africa is the Carlton Centre in Johannesburg, South Africa. What is the distance from the top of this 735 ft building to the horizon to the nearest mile?
(Hint: 5,280 ft = 1 mi; radius of Earth = 4,000 mi)
The distance from the top of the building to the horizon is ______ miles
Answer:
b = 33 miles
Step-by-step explanation:
The illustration forms a right angled triangle. The opposite side of the triangle is where we are looking for . The adjacent side is the radius 4000 miles.
5280 ft = 1 mile
735 ft = ? miles
cross multiply
735/5280
miles = 0.13920454545 miles
The hypotenuse side is the height of the building + 4000 miles = 0.140 + 4000 = 4000.14 miles
using Pythagoras theorem
c² = a² + b²
c = 4000.14
a = 4000
4000.14² = 4000² + b²
b² = 4000.14² - 4000²
b² = 16001120.0196 - 16000000
b² = 1120.0196
b = √1120.0196
b = 33.4666938911
b = 33 miles