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lora16 [44]
3 years ago
6

Please answer quick I need to get this for my mock test​

Mathematics
2 answers:
Ulleksa [173]3 years ago
5 0
I think 64.29 bc 90 percent of 500 is 450 so i did 450 percent of 700
QveST [7]3 years ago
4 0
The answer would be 126 choose any steps you want that I will write now....

First steps:

- 90/500 = x/700
- 18/100 = x/700
- x = 18.7 = 126

Another steps:

- 700/500 = 7/5
- ( 7/5) • 90 = 7•90 / 5 = 7.18 = 126
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Santiago is building a skateboarding ramp by propping the end of a piece of wood on a cinder block. If the ramp begins 63 centim
tensa zangetsu [6.8K]

Answer:

65 cm

Step-by-step explanation:

See the attached image.  The Pythagorean Theorem says in a right triangle, (leg)^2 + (leg)^2 = (hypotenuse)^2.

16^2+63^2=x^2\\256+3969=x^2\\4225=x^2\\x=\sqrt4225}\\x=65

3 0
3 years ago
Bella had already read 20% of the book before her teacher assigned it to the class. She is choosing between two options to finis
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Answer:

How big is the book?

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4 0
3 years ago
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Solve the system using substitution y=2x+10 y=x+8
kvv77 [185]

Answer:

x = -2

Step-by-step explanation:

x+8 = 2x +10

-2x + x = 10-8

-x = 2

divide both side by -1

answer -- x = -2

8 0
3 years ago
The expression d/t can be used to find the average speed of an object that travel a distance d in time t. What is sc cars averag
Firlakuza [10]
You just divide the distance travelled by the time like so: 145mi/2.5h and get 58mph. You can convert the 145mi into meters and 2.5h into seconds (145mi is approximately 233345m; 2.5h is 9000 seconds) and get an approximate speed of 26m/s if you want to convert to SI units.
4 0
3 years ago
Help me with this problem !!!!!!!!!!
Mamont248 [21]

Answer:

Hi, your answer is y=-\frac{1}{2} x-3

Step-by-step explanation:

We will use the slope-intercept formula which is

\frac{y2-y1}{x2-x1}

We will use two points in this case I'll use

(-2,-2) and (-8,1)

\frac{1-(-2)}{-8-(-2)}=-\frac{3}{6} which can be simplified as -\frac{1}{2}

Your Y will be -3

which your final answer will be y=-1/2x-3

Hope this helps :)

3 0
3 years ago
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