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qwelly [4]
2 years ago
9

Need help finding answer

Mathematics
1 answer:
Tresset [83]2 years ago
8 0

Answer:

x=5

Explanation:

Begin to isolate x by adding 12 on both sides of the equation

5x=2x+15

Subtract

2x on both sides of the equation

3x=15

Isolate x by dividing both sides of the equation by

3x=5

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A store charges $56 for 5 pounds of crab meat. What is the unit price per pound of crab meat?
jeka57 [31]
The unit price is 11.2
3 0
2 years ago
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A 10 metre length of Wood is marked out into 10 equal lengths. How many metres from one end is the third mark?
Eduardwww [97]

3 metres from one end to the third mark

Solution:

Total length of wood = 10 metre

Wood is marked into 10 equal length.

$\text{Length of each marking}=\frac{\text{Total length}}{\text{Number of marking}}

                                     $=\frac{10}{10}

                                     = 1 metre

Length of each marking = 1 metre

Number of metres from one end to third mark = 1 + 1 + 1 = 3 metre

The image of the marking is attached below.

Hence 3 metres from one end to the third mark.

7 0
3 years ago
Find the area of the triangle below. Be sure to include the correct unit in your answer.
podryga [215]

Answer:

50yds²

Step-by-step explanation:

area of a triangle equals base times height divided by 2

a=20*5/2

a=100/2

a=50yds²

7 0
2 years ago
Triangles WSR and TVR are similar. Find x.
Vlad [161]

They are similar. Set the proportions equal to each other

(x + 8)/8 = (x+14)/12

Cross multiply

(x + 8)/8 (8)(12) = (x + 14)/12 (12)(8)

12(x + 8) = 8(x + 14)

Distribute the 12 and 8 to the corresponding monomials inside the parenthesis

12(x + 8) = 12x + 96

8(x + 14) = 8x + 112

12x + 96 = 8x + 112

Isolate the x. Subtract 8x from both sides and 96 from both sides

12x (-8x) + 96 (-96) = 8x (-8x) + 112 (-96)

12x - 8x = 112 - 96

4x = 16

Isolate the equal sign. Divide 4 from both sides

4x/4 = 16/4

x = 16/4

x = 4

------------------------------------------------------------------------------------------------------------------

4 is your answer for x

------------------------------------------------------------------------------------------------------------------

hope this helps

5 0
2 years ago
A small painting has an area of 400 cm^2. The length is 4 more than twice the width. Find the dimensions of the pool. Solve by c
anygoal [31]
A = l*w
l = 2w + 4
400 = (2w + 4)*w
0 = 2w^2 + 4w - 400

Then use the quadratic equation where a=2, b=4, and c=-400.

w = <span>13.2
l = 30.4
</span>


6 0
3 years ago
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