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3 years ago

PLEASE HELPP!!! I don’t know how to do this

Mathematics

1 answer:

cupoosta [38]3 years ago

3 0

Answer:

773.8 inch²

Step-by-step explanation:

Find the surface area at first

the top and bottom = 6²π = 36π

around is circumference x by height = 12π x 15 = 180 π

multiply these by 3/4

top = 27π

bottom = 27π

around = 135π

add the two rectangles = 180 inch²

Total = 773.8

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Andrews [41]

Answer:

Step-by-step explanation:

x + 4 is equal to the expression.

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3 years ago

hat semiannual annuity payment is needed to have $500,000 in 15 years if the annuity pays 6.3% interest

KonstantinChe [14]

The required semiannual annuity payment is $10,256.72

What is future value of an annuity?

The future value of an annuity is the accumulated amount in the future that could be achieved by making a fixed periodic savings, it is a semiannual fixed payment that is required in this case.

The future value formula for an ordinary annuity provided below can be used to determine the semiannual payment needed:

FV=PMT*(1+r)^N-1/r

FV=future value=$500,000

PMT=semiannual payment required=unknown

r=semiannual interest rate=6.3%/2=3.15%=0.0315

N=number of semiannual payments in 15 years=15*2=30

$500,000=PMT*(1+0.0315)^30-1/0.0315

$500,000=PMT*(1.0315)^30-1/0.0315

$500,000=PMT*(2.53557796686568000-1)/0.0315

$500,000=PMT*1.53557796686568000/0.0315

PMT=$500,000/1.53557796686568000*0.0315

PMT=$10,256.72

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2 years ago

How to use the number line to count on to find 7-4

Elena L [17]

Answer: 3

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Solve the equation 25=7+r

anyanavicka [17]

Answer:

r = 18

Step-by-step explanation:

Subtract the seven from both sides

25 -7 = 7 - 7 + r

18 = r

Simple as that!

Hope this helps!

8 0

3 years ago

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asambeis [7]

Answer:

$m=\frac{5}{4}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (-10, -4)

Point (10, -29)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute [SF]: $m=\frac{-29+4}{10+10}$
Add: $m=\frac{-25}{20}$
Simplify: $m=\frac{5}{4}$

8 0

3 years ago

Read 2 more answers