3 years ago

What is the perimeter of this rectangle?

1 answer:

5 0

The perimeter of a rectangle si length + length + width + width or 2l + 2w. Substitute your values in to get 2(70) + 2(65) → 140 + 130 → 270 feet

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I need help with this as well

nikitadnepr [17]

I don't get this is need to stop answering questions

5 0

2 years ago

(Q1) Which of the following is true about the function y = 3 • 2x?

Virty [35]

Answer: Third option

Step-by-step explanation:

You have the function:

$y=3*2^x$

Then, if the value of x increases by 1, you obtain:

-Rewrite the function:

$y=3*2^{(x+1)}$

-Substitute values for x into the function and observe what happen to y. Then:

x=1

$y=3*2^{(1+1)}=12$

x=2

$y=3*2^{(2+1)}=24$

x=3

$y=3*2^{(3+1)}=48$

The value of y is doubled.

6 0

2 years ago

Read 2 more answers

Factor the binomial b^2 - 9

aliina [53]

Answer:

(b-3)(b+3)

Step-by-step explanation:

b^2+3b-3b-9

7 0

2 years ago

Read 2 more answers

What’s the length of the rectangle if the width is 9?

Vladimir [108]

Answer:

Step-by-step explanation:

9+9=18 both sides of the rectangle is 9 so the top is longer which means 18

3 0

3 years ago

What is the solution set for x2+25=0

Masja [62]

Step-by-step explanation:

${x}^{2} + 25 = 0 \\ \therefore {x}^{2} = - 25 \\ \therefore {x} = \sqrt{ - 25} \\ \therefore {x} = \pm\sqrt{ - 1 \times 25} \\ \therefore {x} = \pm \sqrt{ 25} \times \sqrt{ - 1} \\ \therefore {x} = \pm5 \: i \\ \therefore {x} = \{ - 5i, \: \: 5i \} \: \\ is \: the \: solution \: set.$

7 0

2 years ago