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PolarNik [594]
3 years ago
13

Need help with mathematics again?

Mathematics
1 answer:
slava [35]3 years ago
4 0

Answer:

(a) = 0.22 hours per dollar, (b) = 8.33 minutes per mile

Step-by-step explanation:

<u>(a):  4/18</u>

0.22 hours per dollar

<u>(b):  25/3</u>

8.33 minutes per mile

Answer:  (a) = 0.22 hours per dollar, (b) = 8.33 minutes per mile

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What is the answer to C​
Ira Lisetskai [31]

Answer:

C = 15

Step-by-step explanation:

Both (7c-7)° & (6c-8)° if get combined will form a straight angle i.e. 180° because both the angles lie on the same line. So,

7c - 7 + 6c - 8 = 180°

=  > 13c - 15 = 180°

=  > 13c =  180 + 15 = 195

=  > c =  \frac{195}{13}  = 15

3 0
3 years ago
Lily invested $90,000 in an account paying an interest rate of 4.6% compounded
kondaur [170]

Answer:

20 years. ($221,246.39, to be exact.)

Step-by-step explanation:

Compound interest is a system where the interest rate always applies for the amount you first put your money in. So if you put 90,000 dollars as your first deposit, the annual interest would only apply to $90,000 every time.

8 0
3 years ago
Amy worked 16 hours more than Brayden last month. If Amy worked 8 hours for every 7 hours that Brayden worked, how many hours di
marishachu [46]

Answer:

Amy worked for 128 hours while Brayden worked for 112 hours

Step-by-step explanation:

Given

Let A represents Amy and B represents Brayden

A = 16 + B ------(1)

A:B = 8:7------- (2)

Required

Find A and B;

Convert (2) to fractions

\frac{A}{B}  = \frac{8}{7}

Cross Multiply

7 * A = 8 * B

7A = 8B

Substitute A = 16 + B in the above expression

7(16 + B) = 8B

Open Bracket

7 * 16 + 7 * B = 8B

112 + 7B = 8B

Subtract 7B from both sides

112 + 7B - 7B = 8B - 7B

112 = B

B = 112

Recall that A = 16 + B

Hence, A = 16 + 112

A = 128

<em>This implies that Amy worked for 128 hours while Brayden worked for 112 hours</em>

8 0
3 years ago
What is the dependent and independent variable ?
oee [108]
P is the independent variable and b is the dependent variable
8 0
4 years ago
Round of to the nearest thousand 741,543
aleksley [76]

Answer:

The correct answer is <u>742,000</u>

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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