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worty [1.4K]
3 years ago
7

42×4/7 how do this problem

Mathematics
1 answer:
vlada-n [284]3 years ago
5 0
Convert to:

42        4         168
----  x  ----  =   ------
 1         7           7
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Please help me
kotegsom [21]
The answer is A. Hope it helps
5 0
3 years ago
Read 2 more answers
Darby bought a rare baseball card for $2,000. Three years later, the value of the card had increased 35% of its original value.
kari74 [83]
<h3>Answer: 700 dollars</h3>

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

Work Shown:

35% = 35/100 = 0.35

35% of 2000 = 0.35*2000 = 700

Since the card increased by 700 dollars, this means the card is now worth 2000+700 = 2700 dollars.

4 0
3 years ago
Clarissa has a light bulb in the shape of a sphere. if it has a radius of 3 inches what is the volume?
Licemer1 [7]

Answer:36pi or 113.0973355...

Step-by-step explanation:v=4/3pir^3 so 4/3pi*27 so 36pi or 113.0973355...

6 0
3 years ago
Find the slope of (1,6) (-9,-20)
Arisa [49]

To find the slope of two points you use the formula: \frac{y_{2} -y_{1} }{x_{2} -x_{1} }

In this case we can assume that:

y_{2}  = -20

y_{1} =6

x_{2} = - 9

x_{1} = 1

Plug the above into the equation I gave you at the start and solve:

\frac{-20 - 6}{-9 - 1}

\frac{-26}{-10}

Now reduce:

\frac{26}{10}÷2

\frac{13}{5}

^^^Slope for these two points

Hope this helped!

8 0
3 years ago
What annual investment is required at 8% per year compounded annually to accumulate to $100,000 at the end of 20 years?
Soloha48 [4]
P = $ 38,461.54

Equation:
P = A / (1 + rt)
Calculation:
First, converting R percent to r a decimal
r = R/100 = 8%/100 = 0.08 per year,
then, solving our equation

P = 100000 / ( 1 + (0.08 × 20)) = 38461.538461538
P = $ 38,461.54

The principal investment required to get
a total amount, principal plus interest, of $ 100,000.00
from simple interest
at a rate of 8% per year
for 20 years is $ 38,461.54.
8 0
3 years ago
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