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ipn [44]
3 years ago
12

Which expression is equivalent to m2−13m−30?

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
5 0

Answer:

A

Step-by-step explanation:

m^2-13m-30=

(m-15)(m+2), or answer choice A.

You can confirm this by solving the other way and expanding the above expression:

(m-15)(m+2)=

m^2-15m+2m-30=

m^2-13m-30

Hope this helps!

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Find the arc length of a partial circle
marusya05 [52]

Answer:

12.5664 units (rounded off to four decimal values)

Step-by-step explanation:

Arc length = 2 × π × r × \frac{central-angle}{360}

For our partial circle;

The radius (r) = 8 units

The central angle = 90°

Arc length = 2 × π × 8 × \frac{90}{360} = 12.5663706144  units

Or 12.5664 units (rounded off to four decimal values)

5 0
3 years ago
Read 2 more answers
Since it is given that AB ≅ AC, it must also be true that AB = AC. Assume ∠B and ∠C are not congruent. Then the measure of one a
neonofarm [45]
Answer should be AB≠AC.
6 0
3 years ago
Can you help with this one?
deff fn [24]

Answer:

27

90

70

35

Step-by-step:

should be 27 too

90 degree

70 degree

would be around 35

27+70 = x

97 = x

4 0
3 years ago
Is y=10 a function?
rewona [7]

Answer:

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Step-by-step explanation:

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y=10 would be a horizontal line coming from the point (0,10)

7 0
3 years ago
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Helps please does that look right to y’all ?
ladessa [460]
<h3>You have the correct answer</h3><h3>Interest rate = 21.5%</h3>

===============================================

Work Shown:

i = P*r*t .... simple interest formula

i = simple interest

i = 2075-1000 = 1075

P = 1000 = amount borrowed (principal)

r = unknown interest rate

t = 5 = time in years

So,

i = P*r*t

1075 = 1000*r*5

1075 = 5000r

5000r = 1075

r = 1075/5000

r = 0.215

r = 21.5%

5 0
3 years ago
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