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kipiarov [429]
2 years ago
9

If 5(2x - 1) = 35, then x =​

Mathematics
1 answer:
SIZIF [17.4K]2 years ago
5 0

Answer:

x = 4

Step-by-step explanation:

Given

5(2x - 1) = 35 ( divide both sides by 5 )

2x - 1 = 7 ( add 1 to both sides )

2x = 8 ( divide both sides by 2 )

x = 4

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What is the value of x?<br> X+4/9=3/4
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Answer:

11/36

Step-by-step explanation:

Here are the steps:

Step 1: Find a common denominator for both of the fractions

4/9 --> 27/36 (Multiply top and bottom by 4)

3/4 --> 16/36 (Multiply top and bottom by 9)

This is the smallest common denominator

Step 2: Subtract:

27/36 - 16/36 = 11/36

Soo...

x = 11/36

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At 3:30 in the afternoon in mid-September the Kimball Tower casts a shadow about 290 feet long when the sun's rays come down at
ioda

Answer:

203 feet.

Step-by-step explanation:

Please find the attachment.

Let h represent the height of the building.

We have been given that at 3:30 in the afternoon in mid-September the Kimball Tower casts a shadow about 290 feet long when the sun's rays come down at an angle about 35 degrees above the horizontal.    

We know that tangent relates opposite side of a right triangle to its adjacent side.

\text{tan}=\frac{\text{Opposite}}{\text{Adjacent}}

Upon substituting our given values in above formula, we will get:

\text{tan}(35^{\circ})=\frac{h}{290}

290*\text{tan}(35^{\circ})=\frac{h}{290}*290

290*0.70020753821=h

h=290*0.70020753821

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Therefore, the building is approximately 203 feet high.

 

3 0
3 years ago
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