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3 years ago

Estimate the quotient. 802 = 43

Mathematics

1 answer:

ollegr [7]3 years ago

8 0

Answer:

Step-by-step explanation:

if you need to estimate 802/43 i assume,

think of 80/4=20

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A kite string is 35m long. The angle the string makes with the ground is 50o

kipiarov [429]

Answer:

22.50m

Step-by-step explanation:

With the ground, the horizontal ground distance is the adjacent side, so by SOHCAHTOA, the ratio used is cosine, i.e.

Ground distance

= hypotenuse * cos(50°)

= 35 cos(50°)

= 35*0.64279

= 22.50m

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3 years ago

Answer ALL get 20 POINTS

Jobisdone [24]

The perimeter of MNOP is d. 18
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the area of a rectangle is x-16/x. If the width of a rectangle is x/4+1, find an expression to represent the length.

lakkis [162]

Answer:

The expression to represent the length

$length=\frac{4\left(x-4\right)}{x}$

Step-by-step explanation:

Given

Area = x-16/x

Width = x/4+1

Length =?

We know that The formula for the area of the rectangle is:

Area = Length x Width

Thus, the length of a rectangle

Length = Area ÷ Width

$=\frac{x-\frac{16}{x}}{\frac{x}{4}+1}$

$=\frac{x-\frac{16}{x}}{\frac{x+4}{4}}$

$=\frac{\frac{x^2-16}{x}}{\frac{x+4}{4}}$

$\mathrm{Divide\:fractions}:\quad \frac{\frac{a}{b}}{\frac{c}{d}}=\frac{a\cdot \:d}{b\cdot \:c}$

$=\frac{\left(x^2-16\right)\cdot \:4}{x\left(x+4\right)}$

$=\frac{\left(x+4\right)\left(x-4\right)\cdot \:4}{x\left(x+4\right)}$

Cancel the common factor: (x+4)

$=\frac{4\left(x-4\right)}{x}$

Thus, the expression to represent the length

$length=\frac{4\left(x-4\right)}{x}$

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3 years ago

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marta [7]

Correct answer is B

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If k is 3, do k times 5

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3 years ago