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nydimaria [60]
3 years ago
9

Bonita makes $11.75/ hour and Bruce makes $12.50/hour If Bonita worked 25 hours and Bruce worked 19 hours what was the differenc

e in the amount of money they each earned
Mathematics
2 answers:
DENIUS [597]3 years ago
4 0

Answer: $56.25

Step-by-step explanation: We know that Bonita makes $11.75 per hour and Bruce makes $12.50 per hour.

To find out how much money Bonita makes if she worked 25 hours, we can multiply the amount she makes per each hour.

$11.75 x 25 hours = $293.75 for 25 hours of work.

We can do the same thing for Bruce.

$12.50 x 19 hours = $237.50 for 19 hours of work.

Now to find the difference in the amount of money they each earned. You can simply subtract $237.50 from $293.75.

$293.75 - $237.50 = $56.25

leonid [27]3 years ago
3 0
11.75(25) = 293.75
12.50(19) = 237.5

293.75 - 237.5 = $56.25
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7TH GRADE MATH- Please solve the one with the star- question 18. Thank you!
Bogdan [553]

Answer:

27.5 pages per hour.

Step-by-step explanation:

Santino read 5\frac{1}{2} pages in 12 minutes

In 60 minutes he read:

\frac{60}{12} × 5.5 = 27.5 pages

5 0
3 years ago
Element X is a radioactive isotope such that every 9 years, its mass decreases by half. Given that the initial mass of a sample
4vir4ik [10]

Answer:

2.9 years

Step-by-step explanation:

Given that :

Half-life t1/2 = 9 years

Initial mass = I = 70 grams

A = final mass = 56 grams

t = time taken to reach final amount

Using the exponential half life relation :

A = I(0.5)^t/t1/2

56 = 70(0.5)^t/9

56/70 = 0.5^t/9

0.8 = 0.5^t/9

Log 0.8 = log 0.5^t/9

−0.096910 = −0.301029 * t/9

t/9 = 0.096910 / 0.301029

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t = 0.3219291 * 9

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5 0
2 years ago
72
Zigmanuir [339]

Answer:

Ai. Arithmetic sequence

Aii. Tn = 5 + 7n

Bi. Geometric

Bii. Tn = 8 × 2ⁿ¯¹

Step-by-step explanation:

To successfully answer the questions given above, note the following:

1. If the sequence is Arithmetic, then:

2nd – 1st = 3rd – 2nd = common difference (d)

2. If the sequence is geometric, then,

2nd / 1st = 3rd / 2nd = common ratio (r)

3. A sequence can not be arithmetic geometric at the same time.

4. The nth term of arithmetic sequence is:

Tn = a + (n – 1)d

5. The nth term of geometric sequence is:

Tn = arⁿ¯¹

A. Sequence => 12, 19, 26

i. Determination of the type of sequence.

We'll begin by calculating the common difference

1st term = 12

2nd term = 19

3rd term = 26

Common difference (d) = 2nd – 1st

d = 19 – 12 = 7

OR

d = 3rd – 2nd

d = 26 – 19 = 7

Since a common difference exist in the sequence, the sequence is arithmetic sequence.

ii. Determination of the nth term.

Common difference (d) = 7

1st term (a) = 12

nth term (Tn) =?

Tn = a + (n – 1)d

Tn = 12 + (n – 1)7

Tn = 12 + 7n – 7

Tn = 5 + 7n

B. Sequence => 8, 16, 32

Bi. Determination of the type of sequence.

Let us begin by calculating the common ratio.

1st term = 8

2nd term = 16

3rd term = 32

Common ratio (r) = 2nd / 1st

r = 16 / 8

r = 2

OR

r = 3rd / 2nd

r = 32 / 16

r = 2

Since a common ratio exist in the sequence, the sequence is geometric.

Bii. Determination of the nth term.

Common ratio(r) = 2

1st term (a) = 8

nth term =?

Tn = arⁿ¯¹

Tn = 8 × 2ⁿ¯¹

8 0
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Nina [5.8K]

The answer is positive 4

4 0
3 years ago
Which of the following ordered pairs (x,y) satisfies
dexar [7]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
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