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Elza [17]
2 years ago
14

HELLO HELP ASAP ATTACHING PIC BELOW ITS KHAN

Mathematics
2 answers:
earnstyle [38]2 years ago
4 0

Answer:

A

Step-by-step explanation:

Since the first number to the problem is -4, you start at -4 on the number line. The next number is +7.5 so you would move 7.5 spaces to the right on your number line. Finally, where you land would be your answer.

Hope this helps! Please mark Brainliest :)

11Alexandr11 [23.1K]2 years ago
3 0

Answer:

a

Step-by-step explanation:

the graphic is step by step

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samantha threw an apple out of a window from the tenth floor of her appartment building. the equation y = -16t^2+120 can be used
ella [17]
Answer:
time taken = 2.74 seconds

Explanation:
We are given that:
y = -16t² + 120 models the situation where:
y is the floor number
t is the time taken for the apple to hit the ground

We are also given that the floor number (y) is 10. Therefore, all we have to do is substitute with y in the above equation and solve for the time t as follows:
y = -16t² + 120
10 = -16t² + 120
120 - 10 = 16t² 
110 = 16t²
t² = 110/16
t² = 6.875
either t = 2.74 seconds ..........> accepted
or t = -2.74 seconds .........> rejected as time cannot be in negative

Hope this helps :)
5 0
3 years ago
1. Find the equation of the tangent to the curve y = x-1/x+1 at the point x = 2.​
SOVA2 [1]
Chupapi Minton eisisisjenensjzjdjdjejsjsjzjzusss
7 0
2 years ago
A commercial property purchased for 1.2 million is revalued at 995,000. Calculate the percentage decrease in the property’s valu
soldi70 [24.7K]

Answer:

17%

Step-by-step explanation:

First: work out the difference (decrease) between the two numbers you are comparing. Then: divide the decrease by the original number and multiply the answer by 100.

First:

1,200,000 - 995,000 = 205,000

Then:

205,000 / 1,200,000 = 0.17

0.17 × 100% = 17%

4 0
3 years ago
Read 2 more answers
Assume that a​ student's alarm clock has a 11.2 ​% daily failure rate. What is the probability that the​ student's alarm clock w
postnew [5]
Daily failure rate = probability that it will not work on any particular day.


6 0
3 years ago
There are 45 exotic fish in a fish tank. 9 of those fish are clown fish. What percent of the fish in the tank are clown fish.
Marrrta [24]
Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100.

(value/total value)×100%.

So,
9/45=0.2 x 100= 20%

Answer= 20%
6 0
2 years ago
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