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LenaWriter [7]
3 years ago
8

This question is really hard can someone please help out? Thank you so much !!!

Mathematics
1 answer:
atroni [7]3 years ago
3 0

Answer: Option 4: -2sin(x + pi/2) - 1

Step-by-step explanation:

When this equation is graphed, the y-intercept is -3 which is what the image shows. None of the others have a y-intercept at -3.

Hope this helps!

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The number a exceeds the number b by 50 percent. By what percent is the number b smaller than the number a?
inna [77]

Answer:

   33 1/3 percent smaller

Step-by-step explanation:


The number a exceeds the number b by 50 percent.

a = b + b*.5

a = b(1.5)

Divide by 1.5

a/1.5 = b

2/3a =b



We want to find (a-b)/a  to find the percent decrease

                           (a-2/3a)/a *100percent

                             (1/3a)/a* 100 percent

                                  1/3 * 100 percent

                                     33 1/3 percent smaller

5 0
2 years ago
Evan's rectangular lawn measures 8 yards by 10 yards. He planted a hedge
bezimeni [28]

Answer:

Length of rectangular lawn =72 meters

Breadth of rectangular lawn =18 meters

Perimeter of rectangle =2(Length+Breadth)

So, Perimeter of rectangle =2(72+18)=2(90)=180 meters

If three shrubs can be planted in a meter of hedge.

Then, Number of shrubs planted in whole perimeter will be=3×180=540

Step-by-step explanation:

8 0
2 years ago
Help me NOW!!!!!!!!!!!
hichkok12 [17]

Answer:

see below

Step-by-step explanation:

m<Q: 360-68-71-124= 97 degrees

m<Y: 360-95-46-74=145 degrees

m<K: 360-49-89-72=150 degrees

m<R: 360-98-65-69=128 degrees

m<C: 360-77-123-86=74 degrees

m<X: 360-135-105-67=53 degrees

m<T: 360-66-114-92=88 degrees

m<F: 360-146-91-75=48 degrees

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3 years ago
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A, Is the answer according to my calculations.
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Issac made a mistake in his checkbook. he wrote a check for $8.98 to rent a video game but mistakenly recorded it in his checkbo
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Debit is where you have to pay extra when you use it. Credit doesn't!!!!!
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