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lukranit [14]
2 years ago
5

What is 4/10 of 85....

Mathematics
1 answer:
Scorpion4ik [409]2 years ago
8 0

Answer:

34

Step-by-step explanation:

4/10 of 85 would be:

4/10 * 85

= 4*85 / 10

= 340 / 10

= 34

Hope this help you :3

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Which answer goes in what box
marissa [1.9K]

Answer:

(2,6) and (-2,6) is in the second box

(8,-2) and (8,2) is in the first box

(-5,7) and (-5,-7) is in the first box

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4 0
2 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}.

7 0
3 years ago
Suppose a-b=0 which one of these expressions equals ab
I am Lyosha [343]

Answer:

  E)  b^2

Step-by-step explanation:

Solving the first equation for a, we get ...

  a - b = 0

  a = b . . . . . . add b to both sides

Now, the expression ab can be rewritten as

  ab = bb = b^2 . . . . . . substitute b for a

6 0
3 years ago
Gloria earned $26 for babysitting for 4 hours. Write and Solve an equation to determine how much Gloria would earn after babysit
posledela

Answer:

Equation: ($26÷4 hours) × 25 hours

Answer: $156.25

Step-by-step explanation:

First, you would have to find out how much she earns per hour, so $26÷4. Then you multiply that by 25.

(26÷4) x 25=$156.25.

(hope this helps :P)

3 0
2 years ago
Which of the following will you construct in this lesson?
Vikentia [17]

Answer:

The question is not complete or you forgot to attatch the image. Repost your question

8 0
2 years ago
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