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m_a_m_a [10]
3 years ago
11

PLEASE HELP ME!!! I'LL MARK YOU BRAINLIEST IF YOU ANSWER THESE CORRECTLY!!

Mathematics
1 answer:
alisha [4.7K]3 years ago
4 0

Answer:

1) Volume = ⅓×pi×r²×h

= ⅓×3.14×7²×14

= 718.01 in³

2) ⅓×3.14×5²×10

= 261.67 cm³

3) r = 12÷2 = 6

Volume = (4/3)×3.14×6³

= 904.32 mi³

4) 3.142×4²×5

= 251.2 ft³

5) radius = 2

(4/3)×3.14×2³ = 33.49 ft³

6) radius = 2

3.142×2²×3 = 37.68 m³

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You have a part time job in your junior year of high school. You need to borrow $2,000 to purchase a used car to drive to work.
VARVARA [1.3K]

Answer:

$149.66

Step-by-step explanation:

Step 1

Calculate Total Amount payable to the bank using compound interest

Total Amount payable (A) =

P(1 + r/n)^nt

P = Principal = $2000

r = Interest rate = 9% = 0.09

n = compounding interest = quarterly = 4

t = time in years = 2

Total Amount payable

= 2000(1 + 0.09/4)^0.09 × 2

A = $ 2,389.66

Interest = A - Principal

= $ 2,389.66 - $ 2,000.00

I (interest) = $ 389.66

Step 2

Calculate the Total amount payable to his uncle using simple interest.

Total Amount (A) = P(1 + rt)

P = Principal = $2000

r = Interest rate = 6% = 0.06

t = time in years = 2

A = 2000(1 + 0.06 × 2)

A = $2,240

A - Principal

= $ 2,240 - $ 2,000.

I (interest) = $240

Step 3

The amount of money you will save by borrowing the money from your uncle is calculated as:

Amount payable to the bank - Amount payable to your uncle

= $ 2,389.66 - $2,240

= $149.66

Therefore, the amount of money you will save by borrowing the money from your uncle is $149.66

3 0
3 years ago
What is the surface area of this photo
alisha [4.7K]

Answer:

290 in^2

Step-by-step explanation:

So what you do is you use the formula of the surface area of a rectangle which is SA=2lw+2lh+2hw.

The length=5. The width=5. The height=12.

You put those numbers into the formula.

2(5)(5)+2(5)(12)+2(12)(5)=290 in^2.

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w = 2x = 2( \frac{y}{3}) \\ v = 2w = 2 \times 2( \frac{y}{3} ) \\ v + w  + x + y = 180 \\  \frac{4}{3} y +  \frac{2}{3} y +  \frac{y}{3}  + y = 180 \\ y( \frac{4}{3}  +  \frac{2}{3}  +  \frac{1}{3}  + 1) = 180 \\ y =  \frac{180}{()}
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Answer:

120

Step-by-step explanation:

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