3 years ago

When evaluating (8x+9)? -5 for x = 1, the given value of 1 is stronged to what pent of the enneth

Mathematics

2 answers:

kipiarov [429]3 years ago

8 0

Answer:

Step-by-step explanation:

1 is a numeric value of x

Nuetrik [128]3 years ago

6 0

Step-by-step explanation:

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The weight Wkg of a metal bar varies jointly

maria [59]

Answer:

d = $\sqrt{\frac{216W}{35L} }$

Step-by-step explanation:

Given that W varies jointly as L and d² then the equation relating them is

W = kLd² ← k is the constant of variation

To find k use the condition W = 140 when d = 4 and L = 54, thus

140 = k × 54 × 4² = 864k ( divide both sides by 864 )

$\frac{140}{864}$ = k , that is

k = $\frac{35}{216}$

W = $\frac{35}{216}$ Ld² ← equation of variation

Multiply both sides by 216

216W = 35Ld² ( divide both sides by 35L )

$\frac{216W}{35L}$ = d² ( take the square root of both sides )

d = $\sqrt{\frac{216W}{35L} }$

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3 years ago

A lawyer spends $75.00 on 3 staplers and 3 pads of paper. If each stapler costs $21.75, and each pad of paper costs x dollars, w

PtichkaEL [24]

Each pad of paper cost 3.25. Here is how I found it.

21.75 x 3 = 65.25
75 - 65.25 = 9.75
9.75 / 3 = 3.25

X = 3.25

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6 0

2 years ago

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A ferris wheel is 32 meters in diameter and makes one revolution every 4 minutes. for how many minutes of any revolution will yo

Licemer1 [7]

4m = 32
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4 years ago

Fill in the blank 31+____=61

saveliy_v [14]

31 plus 30 equals to 61

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$9 for 6 pounds How much for 1 pound?

hram777 [196]

Answer:

1.50

Step-by-step explanation:

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