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Stolb23 [73]
3 years ago
12

Harrison has a total of 30 red and green bowling balls at his bowling alley. Each red ball weighs 8lbs and each green ball weigh

ts 9 lbs. If the total mass of green balls is 49 lbs heavier than the total mass of red balls, how many red balls does he have.

Mathematics
1 answer:
makkiz [27]3 years ago
4 0
The answer is on the paper

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cara works at a fine jewelry store and earns a commission on her total sales for the week. her weekly paycheck was in the amount
Gekata [30.6K]

Cara's rate of commission is 12%.

Step-by-step explanation:

Given,

Paycheck = $6500

Salary = $1000

Commission = Paycheck - Salary

Commission = 6500-1000 = $5500

Total sales for the week = $45000

Commission rate = \frac{Commission}{Total\ Sales}*100

Commission\ rate=\frac{5500}{45000}*100\\\\Commission\ rate=\frac{550000}{45000}\\\\ Commission\ rate=12.22\%

Rounding off to nearest whole number.

Commission rate = 12%

Cara's rate of commission is 12%.

Keywords: commission, subtraction

Learn more about subtraction at:

  • brainly.com/question/10570041
  • brainly.com/question/10610299

#LearnwithBrainly

6 0
3 years ago
A group of students is arranging squares into layers to create a project. The first layer has 5 squares. The second layer has 10
True [87]

Answer:

  • Recursive formula:

                                         a_1=5;a_n=5+a_{n-1},n>0

Explanation:

All the shown formulae in the choice list are recursive formulae instead of explicit formulae.

Explicit formulae that represent arithmetic sequences are of the form:

  • a_n=a_1+(d-1)n

That kind of formula permits to determine any term knowing the first term, the number of the term searched, and the common difference (d).

On the other hand, the recursive formulae let you to calculate one term knowing the previous term and the difference.

In this case, the difference in the number of squares of two consecutive terms is:

  • differece = number of squares in the second layer - number of squares in the first layer.

  • d = 10 - 5 = 5

Then, the recursive formula is:

  • a_1=5;a_n=5+a_{n-1},n>0

8 0
3 years ago
75 = 30q ( 30q means multiply )
dalvyx [7]

Answer:

75 = 30q

q = 75/30

q = 2.5

Hope it helps

3 0
3 years ago
Mark wants to calculate the circumference of a circle with a radius of 7 cm.
In-s [12.5K]
The answer is about 44
4 0
3 years ago
Simplify the expression.<br><br> 4d+9−d−8
skad [1K]
4d + 9 - d - 8 = (4d - d) + (9 - 8) = d(4 - 1) + 1 = 3d + 1
8 0
4 years ago
Read 2 more answers
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