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Ghella [55]
2 years ago
7

Does anyone know the answers ???

Mathematics
1 answer:
Kamila [148]2 years ago
5 0

Answer:

1) 3

2) -9

3) 12

4) 4

5) -1

Step-by-step explanation:

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A highway engineer specifies that a certain section of roadway covering a horizontal distance of 2km should have a downgrade of
Zigmanuir [339]

Answer:

0.16km

Step-by-step explanation:

A highway engineer wants to compute  the change in elevation of a section of road. The horizontal distance of this section of road is 2km and downgrade is 8%

The slope formula is given by

m=\frac{rise}{run}=\frac{x}{y}

m = 8% = 8/100

run = y = 2km

m =\frac{x}{y}

\frac{8}{100} =\frac{x}{2}

\frac{2*8}{100} =x

x=\frac{16}{100} =0.16km

Verification:

m=\frac{0.16}{2}= 0.08=8%%

3 0
3 years ago
Read 2 more answers
Help! I’ll give brainliest!
BigorU [14]

Answer:

d) -2

Step-by-step explanation:

(-1 - 19)/(16 - 6)

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4 0
2 years ago
Solve 4x-2y=12 for y <br> Ayo help
Leni [432]

Answer:

y = - 6 + 2x

Step-by-step explanation:

Given

4x - 2y = 12 ( subtract 4x from both sides )

- 2y = 12 - 4x ( divide all terms by - 2 )

y = - 6 + 2x

4 0
2 years ago
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Which value of the x is in the solution set of the following inequality -x+8&gt;6
vfiekz [6]
The answer would be 1
7 0
2 years ago
 A chemical solution contains 8% of a compound. If there is 16ml of that compound, what is the volume of the solution?
Amanda [17]
U should either multiply 8% by 16ml  hope i helped. :)

8 0
3 years ago
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