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3 years ago

Put these decimals in order from least to greatest. 8.009 8.90 8.09 8.913

Mathematics

1 answer:

vagabundo [1.1K]3 years ago

3 0

Answer:

8.009, 8.09, 8.90, 8.913

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PLEASE HELP!! <br> explain how to solve 2x+9= 15

Dovator [93]

Answer:

Step-by-step explanation:

2x + 9 = 15

you move + 9 to the other side of the equation, you will get:

2x = 15 - 9

2x = 6

So, x = 3

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3 years ago

Whats the quotient of 1 1/4 and 31/2

mina [271]

Answer:11/4 ÷31/2= 11/4 * 2/31 [2 and 4 get cancelled] 11/2 * 1/31 = 11/62

mark me as the brainliest

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3 years ago

Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AC =16 and DC=5 what is the length of BC in the simplest ra

Nana76 [90]

The length of BC is $4 \sqrt{5}$ .

Solution:

Given ABC is a right triangle.

AC is the hypotenuse and BD is the altitude.

AB and BC are legs of the triangle ABC.

AC = 16 and DC = 5

<u>Leg rule of geometric mean theorem:</u>

$\frac{\text { hypotenuse }}{\text { leg }}=\frac{\text { leg }}{\text { part }}$

$\Rightarrow \frac{AC}{BC}=\frac{BC}{DC}$

$\Rightarrow \frac{16}{x}=\frac{x}{5}$

Do cross multiplication.

$\Rightarrow 16\times 5 = x\times x$

$\Rightarrow 80= x^2$

$\Rightarrow 16\times 5= x^2$

Taking square root on both sides.

$\Rightarrow \sqrt{16\times 5} = \sqrt{x^2}$

$\Rightarrow \sqrt{4^2\times 5} = \sqrt{x^2}$

square and square roots get canceled, we get

$\Rightarrow 4\sqrt{ 5} = x$

The length of BC is $4 \sqrt{5}$ .

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3 years ago

BRAINIEST TO WHOEVER RIGHT PLZ HELP

sergejj [24]

Answer:

a) 2.7 sec

b) 2.6 sec

c) 30.3 ft, 1.3 sec

Step-by-step explanation:

graphed the equation and determined answers from the curve

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3 years ago

Product of the square of a number eight

8090 [49]

The product a number with its square is equal to 8. Find the number.

Answer:

the number is 2

Step-by-step explanation:

Let us assume the number to x.

So, according to the equation:

$\textrm{x}\times\textrm{x}^{2}=8\\ \textrm{x}^{3}=8\\ \textrm{x}=\sqrt[3]{8}\\ \therefore \textrm{x}=2$

5 0

3 years ago