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GaryK [48]
3 years ago
5

After an earthquake in a city 15% were found missing , 25 % critically injured , 20 % suffered minor injury and 400 people had n

o injury how many people were there in the city
Mathematics
2 answers:
Soloha48 [4]3 years ago
8 0

Answer:1000

Step-by-step explanation:

antoniya [11.8K]3 years ago
4 0

Answer:

60

Step-by-step explanation:

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What is this simplified? Please help
Naya [18.7K]

Answer:

The end result is -1/(x + 1)

Step-by-step explanation:

In order to find the answer to this, we first need to factor the denominator. Since it is a quadratic, we try to find number that multiply to the last term (8) and add to the middle term (9). In this case, the numbers 8 and 1 would work. This allows us to use those numbers in parenthesis along with x as a fully factored form.

x^2 + 9x + 8 = (x + 1)(x + 8)

Now that we have this factored we can take the original equation and factor a -1 out of the top.

(-1)(x + 8)/(x + 1)(x + 8)

Since there is an (x + 8) on the top and bottom, we can cancel those.

-1/(x + 1)

6 0
3 years ago
Is the measure of In the diagram below , overline XY and are tangent to A. 90 B. 180 C. 100 D. 130
valkas [14]

Answer:

C can i have brainlest pls

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Graph y=8.5xy=8.5xy, equals, 8, point, 5, x.
Morgarella [4.7K]

Answer:

  • A, B, E

Step-by-step explanation:

<u>Given equation</u>

  • y = 8.5x

<u>Answer choices</u>

A. The equation represents a proportional relationship.

  • TRUE, it is in the form of y = kx

B. The unit rate of change of y with respect to x is 8.5

  • TRUE, y = mx + b, the slope m = 8.5 is the rate of change

C. The slope of the line is 2/17

  • False, the slope is 8.5

D. A change of 17 units in x results in a change of 2 units in y.

  • False, a change of x = 17 results in 17*8.5 = 144.5 units in y

E. A change of 4 units in x results in a change of 34 units in y.

  • TRUE, because 4*8.5 = 34
3 0
2 years ago
Determine the center and scale factor for the dilation shown below
iren2701 [21]
A center at q scale factor of 1/2
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3 years ago
What is an Equivalent Expression of 3x+20?
Lesechka [4]

Step-by-step explanation:

4x hope this explanation will help

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2 years ago
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