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Sidana [21]
3 years ago
8

Compounding comparing accounts

Mathematics
1 answer:
Kay [80]3 years ago
8 0

Answer:

hi

Step-by-step explanation:

what's up

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Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 8
Fynjy0 [20]
x-\ frade\ from\ next\ test\\\\
\frac{84+65+76+x}{4}=80\ \ \ \ | multiply\ by\ 4\\\\
225+x=320\ \ \ \ | subtract\ 225\\\\
x=95\\\\
He\ should\ have\ 95\ points.
8 0
3 years ago
Read 2 more answers
At 2:00 PM a car's speedometer reads 30 mi/h. At 2:20 PM it reads 50 mi/h. Show that at some time between 2:00 and 2:20 the acce
storchak [24]

Answer:

The correct answer will be "60 min/hour".

Step-by-step explanation:

At time 2:00 PM

A car reads = 30 mi/h

At time 2:20 PM

A car reads = 50 mi/h

Now,

At time 2:00 PM

t = 0

At time 2:20 PM

t = \frac{1}{3}

v(0)=30

v(\frac{1}{3})=50

For MVT,

v'(c)=\frac{v(\frac{1}{3} -v(0))}{(\frac{1}{3} )}

       =\frac{20}{\frac{1}{3} }

       =60 \ min/hour

5 0
3 years ago
Find the reference angle of -320 degrees
CaHeK987 [17]

Answer:

  40°

Step-by-step explanation:

The reference angle is the positive difference between an angle and the nearest multiple of 180°.

Here, the nearest multiple of 180° is -360°. The difference of interest is ...

  |-320° -(-360°)| = 40°

The reference angle is 40°.

3 0
3 years ago
An angle with a measure of 180 degrees is formed by two __________ __________.
mario62 [17]
By two opposite rays. 

The explanation is t<span>he straight </span>angle<span> is the only type of </span>angle formed by two opposite rays<span>. All other </span>angles formed by two rays<span> are less than </span>180<span> degrees. Acute </span>angles<span> are between zero and 90 degrees. A right </span>angle<span>, with one </span>ray<span> perpendicular to another, is 90 degrees.

Hope it helped! :)</span>
4 0
4 years ago
Sum of (9)<br> Prodect (4)
vekshin1

Answer:

9+(4)

Step-by-step explanation:

3 0
3 years ago
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