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OLga [1]
3 years ago
12

What is b? 6/8 = 21/b

Mathematics
2 answers:
slega [8]3 years ago
8 0

Answer:

b = 28

Step-by-step explanation:

\frac{6}{8}  =  \frac{21}{b}  \\  \\  b =  \frac{21 \times 8}{6}  \\  \\ b =  \frac{7\times 8}{2}  \\  \\ b = 7 \times 4 \\  \\ \huge \red{ \boxed{ b = 28}}

padilas [110]3 years ago
4 0

Answer:

b = 28

Step-by-step explanation:

8*21 then 168/6 = 28

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A street has parallel curbs 40 feet apart. A crosswalk bounded by two parallel stripes crosses the street at an angle. The lengt
andreev551 [17]

Answer:

The distance, in feet, between the strip = 12 feet.

Step-by-step explanation:

From the figure attached in relation with the question, we can deduce that crosswalk is a parallelogram where

CD/AB = CE/AE

CD = 40

CE = 50

AE = 15

Let AB = x

50x = 15 × 40

X = 12

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3 years ago
What expression is equivalent to (2a - 7) + 5(3 - a)
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Answer:

Step-by-step explanation:

2a-7+15-5a

2a-5a-7+15

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7 0
2 years ago
If a rectangle is inscribed in a circle, each diagonal also serves another function. What is this function?
Kipish [7]

Answer:

A right triangle inscribed in a circle must have its hypotenuse as the diameter of the circle.

Step-by-step explanation:

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7 0
2 years ago
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What is -0.8+1.4n=2+0.7n
Sergio [31]

Answer:

n=4

Step-by-step explanation:

To solve combine your like terms.

You can start by adding 0.8 to both sides and subtracting 0.7n from both sides.

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Next, divide both sides by 0.7 to isolate for n.

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6 0
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