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Mekhanik [1.2K]
2 years ago
7

Multiply & simplify (3x + 4) (x+1)

Mathematics
1 answer:
damaskus [11]2 years ago
3 0
3x^2+7x+4

Use the FOIL method, 3x•x +3x•1+4•x+4•1
3x^2+7x+4
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Find the diameter of the circle with the given circumference.use 3.14 for pi<br><br> C=23 cm
zvonat [6]

Answer:

7.324840764

Step-by-step explanation:

23/3.14=7.324840764

7 0
2 years ago
The system of equations 2y = 14 - 2x and y=-x+ 7 is
Ratling [72]

Answer:

Infinitely many solutions

Step-by-step explanation:

2y=14-2x

y=-x+7

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2(-x+7)=14-2x

-2x+14=14-2x

-2x-(-2x)=14-14

-2x+2x=0

0=0

infinitely many solutions

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3 years ago
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At what interest rate must you invest $4500 to have $7,000 after 6 years, if the interest is compounded quarterly?
labwork [276]

Answer:

The amount is $8358.7 and the interest is $3858.7.

Step-by-step explanation:

Explanation

STEP 1: To find amount we use formula:

A=P(1+rn)n⋅t

A = total amount

P = principal or amount of money deposited,

r = annual interest rate

n = number of times compounded per year

t = time in years

In this example we have

P=$4500 , r=7% , n=2 and t=9 years

After plugging the given information we have

AAAA=4500(1+0.072)2⋅9=4500⋅1.03518=4500⋅1.857489=8358.7

STEP 2: To find interest we use formula A=P+I, since A=8358.7 and P = 4500 we have:

A8358.7II=P+I=4500+I=8358.7−4500=3858.7

4 0
3 years ago
Find the measure of angle U
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Answer:

30

Step-by-step explanation:

i promise this is the answer i go to k12 and got the answer correct

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