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aleksandrvk [35]
3 years ago
8

-1=-5/8c+9 Need help solving this two step equation for c

Mathematics
1 answer:
vampirchik [111]3 years ago
6 0

Answer:

16

Step-by-step explanation:

-1 = -⅝ c + 9

Subtract 9 from both sides:

-10 = -⅝ c

Multiply both sides by 8:

-80 = -5c

Divide both sides by -5:

c = 16

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List 3 values that would make this inequality true
Marrrta [24]
From the equation, we can tell that left side of the equation has to be less than or equal to 6 in order for the equation to be true.

So first, let’s try n=0.
Plug it in: 2(0)=0 and since 0 is less than 6, it makes the equation true.

Next, let’s try 1. 2(1)=2. This also makes the equation true.

Next, let’s do n=3. 2(3)=6. So this also makes the equation true.

So the answers are:

n=0 , n=1 , and n=3

Hope this helped and pls mark as brainliest!

~ Luna
3 0
3 years ago
Marissa claims that stacking 6 blocks with dimensions of One-half times 1 times 1 will give the same volume as stacking 9 blocks
quester [9]

Answer:

  • (A)Six of the one-half cubes would have a volume of 3 cubic units.
  • (D)Three of the one-third cubes will make 1 unit cube.
  • (E)Two of the one-half cubes will make 1 unit cube.
  • (F)Both stacks will have a volume of 3 cubic units.

Step-by-step explanation:

Marissa claims that stacking 6 blocks with dimensions of \frac{1}{2}X1X1  will give the same volume as stacking 9 blocks with dimensions of \frac{1}{3}X1X1  .

First, let us examine the volume of each of the blocks.

<u>For Block 1</u>

The dimensions are:   \frac{1}{2}X1X1

Volume of 1 block =  \frac{1}{2}X1X1= \frac{1}{2} $ cubic units

Volume of 6 blocks of dimension   =6* \frac{1}{2} =3$ cubic units

<u>For Block 2 </u>

The dimensions are:   \frac{1}{3}X1X1

Volume of 1 block =  \frac{1}{3}X1X1=\frac{1}{3} $ cubic units

Volume of 9 blocks of dimension =9*\frac{1}{3} =3$ cubic units  

The following statements out of Marissa's claim are true:

(A)Six of the one-half cubes would have a volume of 3 cubic units.

(D)Three of the one-third cubes will make 1 unit cube.

 3*\frac{1}{3} =1$ cubic units

(E)Two of the one-half cubes will make 1 unit cube.

 2*\frac{1}{2} =1$ cubic units

(F)Both stacks will have a volume of 3 cubic units.

8 0
3 years ago
Someone please helppppp!
zloy xaker [14]

Answer:

AB=24.5

Step-by-step explanation:

5x+7=7x

7=2x

x=3.5

7(3.5)=24.5

6 0
3 years ago
Explain how you know that the sum of 12.6,3.1,and 5.4 is greater than 20.
Galina-37 [17]
You have to only add the values
   12.6
     3.1
 +  5.4
=  21.1

so  21.1 > 20
8 0
3 years ago
The angles of elevation of an airplane between two observation points, A and B, are 30 ° and 45 ° respectively. If the vertical
Serjik [45]

Answer:

xA = 10 km

xB = 7.071km

Step-by-step explanation:

A/Q

p=5km

For point A

∅ = 30°

sin ∅ = p/h

sin 30° = 5/h

1/2 = 5/h

h = 5×2

h=10km

For point B

sin ∅ = p/h

sin 45° = 5/x

1/√2 = 5/x

x = 5 × √2

x = 7.071 km

.: Points A and B are 10 km and 7.071 km away from the airplane.

4 0
3 years ago
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