David drew a scaled down model of a racquetball court he played on last week what is the actual perimeter of the court david played on last week

Answer:

There are 9 girls in the class and 17 boys in the class

Step-by-step explanation:

Set up a system of equations where b is the number of boys and g is the number of girls

b + g = 26

b = g + 8

Solve by substitution by substituting g + 8 as b into the top equation

b + g = 26

(g + 8) + g = 26

2g + 8 = 26

2g = 18

g = 9

So, there are 9 girls in the class. There are 8 more boys than girls, so add 8 to this to find the number of boys:

9 + 8

= 17

So, there are 17 boys.

There are 9 girls in the class and 17 boys in the class.

Answer:

2/8

Step-by-step explanation:

Since both have the same denominator its just subtraction. If you have 3 pieces of pie and eat 1, you have 2 left.

3-1=2

Then just add the denominator back on the bottom!

Reminder: This only works if the denominator is the same.

Answer: D

Step-by-step explanation: In this experiment, the researcher, Marco first collectd the data values, then computes the sample means and finally obtains the sampling distribution of sample means.

Answer:

x+9

Step-by-step explanation:

4x³+12x²-72x

=4x(x²+3x-18)

=4x[x²+6x-3x-18]

=4x[x(x+6)-3(x+6)]

=4x(x+6)(x-3)

Answer:

8/45 or 0.177...... (the seven continues forever).

Step-by-step explanation:

8/9 ÷ 5

First, turn 5 into a fraction. That will be 5/1

8/9 ÷ 5/1

When you're dividing fractions, you flip the second fraction and turn the division sign to a mutiplication sign

8/9 ÷ 1/5

8/9 * 1/5

Now you multiply. We will multiply the numerator and then the denominators through since there are no common factors.

8 * 1/9 * 5

8/45

Answer:

Triangle I and II

Step-by-step explanation:

Hope my solution helps you and don't forget to help me with my maths questions....Check my questions..

Answer:

I and II

Step-by-step explanation:

the first one because the one on the far left is just smaller than the one in the middle

Step-by-step explanation:

[tex](x + 1)(x - 6)(x + 7)[/tex]

[tex] {x}^{2} - 6x + x - 6(x + 7)[/tex]

[tex] {x}^{3} + 7x - 6 {x}^{2} - 42x + {x}^{2} + 7x - 42[/tex]

[tex] {x}^{3} - 5x {}^{2} - 35x - 42[/tex]

Answer:

9/5

Step-by-step explanation:

What I do is look at the bottom number and add that to the top number how ever many time the whole number is.

The mixed number to the equation would be 9/5

Answer:

14lbs cashews

21lbs peanuts

Step-by-step explanation:

Answer:

AOD i think

Step-by-step explanation:

Answer:

angle aob

Step-by-step explanation:

Answer:

-66

Step-by-step explanation:

-3b=-3×22=-66

...........

Answer:

wdym

Step-by-step explanation:

The function is decreasing on the interval (-∞,∞)

This means that, throughout the whole graph, the slope is negative.

Answer:

g

Step-by-step explanation:

g

Answer:

No, because he is being charged more than what the discount is.

45/40=18 $18 $45-$18=$27 He should be charged $27.

Answer:

14

Step-by-step explanation:

1. Distribute

2(y + 3) + 2(4 - y)

2 + 6 + 2(4 − )

2. Rearange terms

2y + 6 + 2(4 - y)

2 + 6 + 2(- + 4)

3. Distribute

2y + 6 + 2(-y - 4)

2y + 6 - 2y + 8

4. Add numbers

2y + 6 - 2y + 8

2y + 14 - 2y

5. Combine like terms

2y + 14 - 2y

14

6. Solution

14

can i be brainiest...

Answer:

the answer is 14y

Step-by-step explanation:

this is because if you multiply 2xy it is 2y then multiply 2x3 and that's 6. Then you add 6+2y and get 8y. Next you multiply 2x4 which is 8 then 2xy which is 2y. Next you subtract 8-2y which is 6y. then you add 6y+8y and you answer is 14y.

Answer:

4g - 10h + 12

Step-by-step explanation:

5g - g - 10h + 15 - 3

4g - 10h + 12

Answer:

c

Step-by-step explanation:

plug in

y=3x+2

11 = 3(3) + 2

11=11

What is your question?

Answer:

B

Step-by-step explanation:

The value of the polynomial for x = 3 is the value of P(3)

P(3) = 2(3)³ - 7(3)² + 7(3) - 12 = 54 - 63 + 21 - 12 = 0 → B

Answer:

C

Step-by-step explanation:

5 x 3 = 15 and 15 x 2 = 30 ft

Answer:

y = mx + b

Step-by-step explanation

for your example:

y = 4x + 6

i think.... UHHHH

Answer:

D. A 270-degree rotation about point P

Step-by-step explanation:

I hope this helps!!!

Answer:

a = 8, b = [tex]\frac{3}{2}[/tex]

Step-by-step explanation:

Given the exponential function

f(x) = a[tex]b^{x}[/tex]

To find a and b use the given coordinate points on the graph

Using (0, 8 ), then

8 = a[tex]b^{0}[/tex] [ [tex]b^{0}[/tex] = 1 ] , then

a = 8

f(x) = 8[tex]b^{x}[/tex]

Using (2, 18 ) , then

18 = 8b² ( divide both sides by 8 )

[tex]\frac{18}{8}[/tex] = b² , that is

b² = [tex]\frac{9}{4}[/tex] ( take the square root of both sides )

b = [tex]\sqrt{\frac{9}{4} }[/tex] = [tex]\frac{3}{2}[/tex]

Thus

f(x) = 8[tex](\frac{3}{2}) ^{x}[/tex]

Answer:

f(x) = 3 - 4x^2

Step-by-step explanation:

Quadratic Equation form:   f(x) = ax² + bx + c

Quadratic function has a x (variable) with and exponent of 2.

They also leave a curve line on a coordinate plane. As you can see on the picture. ↓

Answer:

x = 144

Step-by-step explanation:

3/4x + 24 = x - 12

3/4x - x = -12 - 24

3/4x - 4/4x = -36

-1/4x = -36

x = -36/-1/4

x = 144