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Alexxandr [17]
3 years ago
7

How many nines are in 63?

Mathematics
1 answer:
dem82 [27]3 years ago
8 0

Answer:

7

Step-by-step explanation:

9×7 = 63

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You are making cupcakes and the recipe specifies 6 small eggs for every 27 cupcakes. You need to make 36 cupcakes. How many smal
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For every egg you can make 4.5 cupcakes so you will need 8 small eggs because 8 times 4.5 equals 36
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3 years ago
Kim spent $33 on a magazine and
loris [4]

Answer:

Seven candy bars.

Explanation:

Suppose the number of candy bars purchased is x

The questions say he bought A magazine, means one magazine

the equation is:

4x + 5 = 33

4x = 33 – 5

4x = 28

x = 7

Kim bought 7 candy bars.

Hope this helps! :)

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2 years ago
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Write 47/21 as a decimal rounded to the nearest tenth
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3 years ago
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Find m and n if the remainder when 8x^3+mx^2-6x+n if divided by (x-1) and (2x-3) are 2 and 8 respectively
soldier1979 [14.2K]

Answer:

we have:

8x³ + mx² - 6x + n

= 8x³ - 8x² + (m + 8)x²- (m + 8)x + (m + 2)x - (m + 2) + m + 2+ n

= 8x²(x - 1) + (m + 8)x(x - 1) + (m + 2)(x - 1) + (m + n + 2)

= (x - 1)[8x² + (m + 8)x + m + 2] + (m + n + 2)

because the remainder if divided by (x-1) is 2

=> m + n + 2 = 2

⇔ m + n = 0 (1)

we also have:

8x³ + mx² - 6x + n

= 8x³ - 12x² + (m + 12)x² - 3/2.x.(m + 12) + ( 12 + 3/2.m)x - (9/4.m +  18) + n +9/4m + 18              

= 4x²(2x - 3) + 1/2.(m + 12)x(2x - 3) + (3/2m + 12).1/2.(2x - 3) + 9/4m + n + 18

= (2x - 3)(4x² + (m + 12)/2.x + 3/4m + 6) + 9/4m + n + 18

 because the remainder if divided by  (2x - 3) is 8

=> 9/4m + n + 18 = 8

⇔ 9/4m + n = -10 (2)

from (1) and (2), we have:

m + n = 0

9/4m + n = -10

=> m = -8

      n = 8

Step-by-step explanation:

3 0
3 years ago
A small Learning Center holds twenty-four less students than a large Learning Center. Together the Learning Centers hold seventy
olga2289 [7]

Answer:

A small learning center holds 48 students

Step-by-step explanation:

A small Learning Center holds <em><u>twenty-four less</u></em> students <u><em>than a large Learning Center.</em></u> Together the <em><u>Learning Centers hold seventy-two</u></em> students. How many students does each Learning Center hold?

72-24=48

6 0
3 years ago
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