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Scorpion4ik [409]
3 years ago
9

Use properties to find the sum or product8 x 51

Mathematics
1 answer:
Lostsunrise [7]3 years ago
5 0

8(51)

=8(50+1)

=8*50+8*1

=8*5*10+8*1

=400+8

=408

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Two times Antonio’s age plus three times Sarah’s age equals 34. Sarah’s age is also five times Antonio’s age. How old is Sarah?
sergejj [24]
Let Sarah's age be s and Antonio's age be a.

According to your question,

2a + 3s = 34
s = 5a

substituting the value of s in eq. 1,

2a + 3(5a) = 34

= 2a + 15 a = 34

17a = 34

thus, a = 34/17 = 2

substituting the value of a is s,

s = 5(2)
= 10

Thus, Sarah's age is 10 years and Antonio's age is 2 years.
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Inessa05 [86]

Answer:

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6 0
2 years ago
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What is the interquartile range (IQR) of the following data set?
OleMash [197]

Answer:

9

Step-by-step explanation:

Arrange data set

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in ascending order

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Thus, the interquartile range is

Q_3-Q_1=13.5-4.5=9

4 0
3 years ago
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ad-work [718]

Answer:

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they should all add up to 28 boxes, or 28 units!

3 0
2 years ago
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