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3 years ago

Is 4 prime or composite

Mathematics

2 answers:

lina2011 [118]3 years ago

8 0

Your answer is it is not prime

Nimfa-mama [501]3 years ago

6 0

4 is a composite number.

4 is divisible by 2, so it's not prime

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On Pennsylvania's interstate highway the speed limit is 65 mph. The minimum speed is 45 mph. Write a compound inequality that re

qaws [65]

Let x be the speed.

Maximum is 65 so x needs to be less than or equal to 65.

The minimum is 45, so x also has to be greater than or equal to 45

45 <= x => 65

6 0

3 years ago

Three times the sum of a number and two is equal to -9.

Svetllana [295]

Answer:

Step-by-step explanation:

use a equation calculator it really helps

8 0

3 years ago

(X+5)+(x-5)=56 what does x=?

kirill115 [55]

Answer:

x=28

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

x+5+x−5=56

x+5+x+−5=56

(x+x)+(5+−5)=56(Combine Like Terms)

2x=56

Step 2: Divide both sides by 2.

2x/2=56/2

x=28

plz give me brainiest

8 0

3 years ago

Solve this equation 2(y + 2) = 3(y - 7)

aliina [53]

Answer:

$2(y + 2) = 3(y - 7) \\ 2y + 2 \times 2 = 3y - 3 \times 7 \\ 2y + 4 = 3y - 21 \\ y \: terms \: togther \\ 3y - 2y = 4 + 21 \\ y = 25$

$thank \: you$

8 0

3 years ago

A rectangular garden has a length that is six feet more than twice its width. It takes 120 feet of fencing to completely enclose

vichka [17]

Step-by-step explanation:

let width = w then length, l = 2w + 6

$2w + 2(2w + 6) = 120$

a rectangular garden has two pairs of equal parallel sides 2w and 2l. here we multiply 2 by the width and 2 by the length which is given as 6 more than twice the width or 2w + 6. we then add these sides to get 120

$2w + 2(2w + 6) = 120 \\ 2w + 4w + 12 = 120 \\ 6w + 12 = 120 \\ 6w + 12 - 12 = 120 - 12 \\ 6w = 108 \\ \frac{6w}{6} = \frac{108}{6 } \\ w = 18$

check

$width = w = 18\\ length \: l = 2w + 6 = 2(18) + 6 = 42\\ w + w + l + l = 120\\ 2w + 2l = \\ 2(18) + 2(42) = \\ 36 + 84 = 120$

7 0

3 years ago