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3 years ago

Multiply. Write your answer in scientific notation. (8.8 x 10')(7.5 x 10 10 )

Mathematics

1 answer:

lana66690 [7]3 years ago

7 0

6,666,00 Feet
Answer to you’re question

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3.2% of a population are infected with a certain disease. There is a test for the disease, however the test is not completely ac

Ivenika [448]

Really don’t kno it’s a hard question

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3 years ago

A 45 foot ladder is leaning against a building. If the bottom of the ladder is 27 feet from the base of the building, how tall i

taurus [48]

Answer:

The height of building to the nearest foot is h = 36 foot

Step-by-step explanation:

We have given,

Length of ladder leaning against a building, l = 45 foot

Bottom length between ladder and the building , b = 27

Now, we need to find the height of building to the nearest foot.

Let the height of building be h.

Using Pythagoras theorem,

$l^{2} = b^{2} +h^{2}$

Here, l = 45 , b = 27 and h =?

So,

$45^{2} = 27^{2} +h^{2}$

h² = 45² - 27²

h = √(45² - 27²)

h = 36

The height of building to the nearest foot is h = 36 foot

8 0

3 years ago

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I need help with these questions (see image). Please show workings.<br>

shtirl [24]

Answer:

Inscribed angle is half of the intercepted arc.
Central angle is the same size as the intercepted arc.

<u>As per above two statements we have:</u>

y = 2*58° = 116°

and

z = 90°/2 = 45°

5 0

3 years ago

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The sum of Ted's and Leon's ages is

olganol [36]

Answer:

Ted is 6 years old

Leon is 7 years old

Andrew is 8 years old

Step-by-step explanation:

Ted+Leon=13 ⇒T+L=13 ⇒L=13-T

Leon+Andrew=15 ⇒L+A=15 ⇒A=15-L ⇒A=15-(13-T) because Leon =13-Ted

A=2+T

Ted+Andrew=14

T+A=14 ( substitute Andrew age from A=2+T)

T+2+T=14

2T=12

<h2>T=12/2=6 (Ted is 6 years old)</h2><h2>A=2+T=2+6=8 ( Andrew is 8 years old)</h2><h2>Leon=13-T=13-6=7 ( Leons is seven years old)</h2>

check: Ted+Leon=13 ⇒ 6+7=13

Leon + Andrew=15 ⇒7+8=15

Andrew+Ted=14 ⇒ 6+8=14

7 0

3 years ago

What are the apparent zeros of the function graphed above ?

gregori [183]

Answer:

$-2,1,4$

Step-by-step explanation:

we have

$y=x^{3}-3x^{2} -6x+8$

we know that

The zeros of the function are the values of x when the values of the function is equal to zero

In this problem the apparent zeros are

For $x=-2$

$y=0$

For $x=1$

$y=0$

For $x=4$

$y=0$

3 0

4 years ago

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