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den301095 [7]
3 years ago
11

What is the scientific notation for (9x10^-3)2

Mathematics
2 answers:
damaskus [11]3 years ago
8 0

Answer:

174 I'm pretty sure

Step-by-step explanation:

multiply 9 x10 = 90

subtract 90 - 3=87

multiply 87×2

Rina8888 [55]3 years ago
3 0

Answer:81*10^-6 which becomes 8.1*10^-5

? maybe

Step-by-step explanation:

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What is the coefficient of the x^2 term of the algebraic expression 2x^4+x^2-x+7
Fantom [35]
For the expression 2x^4+x^2-x+7 , the coefficient of the x² term is 1.
4 0
3 years ago
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Of is directly proportional toy and x = 45 when
kompoz [17]

Answer:

if x=ky, where k is constant.

value of x

45/3=k3/3

15=k, constant is 15

value of x when y =6

x=ky

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x=80

4 0
3 years ago
A church building fund has $3.2 million in it, which is 60% of the amount necessary for the project. What
Alexandra [31]

Answer:

$5.4 Million

Step-by-step explanation:

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320 mill = 60x

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5 0
3 years ago
A right angle triangle is shown with hypotenuse equal to 10 centimeters. An acute angle of the triangle is labeled as x degrees
Nostrana [21]

The Question is incomplete the Complete Question is

Look at the triangle: A right angle triangle is shown with hypotenuse equal to 10 centimeters. An acute angle of the triangle is labeled as x degrees. The side adjacent to the acute angle has length 6 centimeters and the side opposite to the acute angle has length 8 centimeters. What is the value of tan x°?

Answer:

Therefore the value of tan x is

\tan x=\dfrac{4}{3}

Step-by-step explanation:

Given:

hypotenuse = 10 cm'

side adjacent to the acute angle 'x' = 6 cm.

side opposite to the acute angle 'x' = 8 cm.

To Find:

tan x = ?

Solution:

In Right Angle Triangle , Tan Identity we have

\tan x= \dfrac{\textrm{side opposite to angle x}}{\textrm{side adjacent to angle x}}

Substituting the values we get

\tan x= \dfrac{8}{6}=\dfrac{4}{3}

Therefore the value of tan x is

\tan x=\dfrac{4}{3}

4 0
3 years ago
What is 1 1/2 subtracted from the sum of 4 2/3 and 5 2/5
olchik [2.2K]

Answer:

7 9/10

Step-by-step explanation:

First, we need to add 4 2/3 and 5 2/5.

We should begin with converting the fractions into improper fractions.

4 2/3 + 5 2/5= 14/3 + 27/5

Now, we find the common denominator

= 70/15 + 71/15

We can add:

= 141/15

And simplify. 

= 9 2/5

Finally, we subtract 1 1/2 from 9 2/5

Your answer is 7 9/10. Hope this helps!

Please Mark Brainliest

7 0
2 years ago
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