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Veseljchak [2.6K]
3 years ago
10

Solve for the equation 3r = -24

Mathematics
2 answers:
olga2289 [7]3 years ago
7 0

Answer:

r=-8

Step-by-step explanation:

Sindrei [870]3 years ago
5 0

Answer:

yes

Step-by-step explanation:

bc Quick maths

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HELP THIS IS DUE SOON!!!
aev [14]

Answer:

x≥9

Step-by-step explanation:

Pretend the Less than or equal to sign is just an equals sign

-7x+7=-56 Solve:

-7x=-56-7

-7x=-63

For the last step, if you divide a negative number, the Sign switches. So not the sign is greater than or equal to.

x>=9

6 0
2 years ago
The area of four walls of a rectangular room is 96m2 and its height is 4m.
Delicious77 [7]

Answer:

<h2>The answer is 56 m</h2>

Step-by-step explanation:

Perimeter of a rectangle = 2l + 2w

where

l is the length

w is the width

To find the area we must first find the length of the rectangle using it's area.

That's

Area = length × height

From the question

Area = 96 m²

height = 4 m

So we have

96 = 4l

Divide both sides by 4

length = 24 m

Now we have

Perimeter = 2(24) + 2(4)

= 48 + 8

We have the final answer as

<h3>56m</h3>

Hope this helps you

7 0
3 years ago
Find the length of AB.
ira [324]

Answer:

We know that in a triangle, if two angles have equal measures, then the sides opposite to them are equal in length. Thus, the length of side AB is 6 units

8 0
3 years ago
Select the values of xxx that make the inequality true. x&gt;\dfrac 12x&gt; 2 1 ​ x, is greater than, start fraction, 1, divided
masha68 [24]

Answer:

A. 2⅓ and D.1

Step-by-step explanation:

We are required to select the values of x that makes the inequality x>½ true.

A. 2⅓

B. 0

C.-1½

D. 1

E.-¾

Options C and E are negative numbers and are therefore less than the positive number ½.

Option B(i.e. 0) is also less than ½ or 0.5 and therefore do not satisfy the inequality given.

Options A and D are greater than ½ and therefore satisfies the inequality given.

4 0
3 years ago
There are 950 students at Hanover High School. The ratio of the number of freshmen to all students is 3:10. The ratio of the num
-Dominant- [34]

Hi there! Since the ratios of students at Hanover High School are in different scales, we need to scale them up! First, let's take the ratio 1:2. This can be scaled up to 5:10. Now, combine the two ratios to find the ratio of freshmen to sophomores. 3:10 + 5:10 = 8:10. The remaining number is 2, since 8 + 2 = 10, so the ratio of freshmen to sophomores is 2:10!

Hope this was helpful!

7 0
3 years ago
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