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cluponka [151]
2 years ago
5

7 is a factor of a 28 b 16 c 11 d 4

Mathematics
1 answer:
Blababa [14]2 years ago
4 0

Answer:

a) 28

Step-by-step explanation:

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Zalma’s stock investment in March was $120. In October, it was $400.
Goryan [66]

Answer:

In December, Zalma will have $480.

Step-by-step explanation:

The time from March to October is 7 months. In those 7 months, she gains $280. So every month, her investment gains $40.

The time from March to December is 9 months. She will gain $360 during that time. We add her initial $120 with the $360, and Zalma will have $480.

It's not confirmed, but it's what I got. :D

8 0
2 years ago
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The dot plot below shows the number of cakes 31 chefs made in a week: Dot plot labeled Number of Cakes Made shows 4 dots over 1,
Paraphin [41]
The median, because the data is not symmetric and there are outliers is the data is not symmetric and there are outliers.

The median of the data set is 8 cakes, while the average is 7.5.

However, 21 of the 31 chefs, or roughly 2/3, made 8 or more cakes. This makes the median a better center for this data, since the data is clearly skewed. The four chefs that made 1 cake each brings the average down, skewing the mean and making the median a better representation of the data. 
8 0
3 years ago
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(+7) x (-3) math intergers
IrinaK [193]

Answer:

-21

Step-by-step explanation:

- * + = -

- * - = +

+ * + = +

Here + * - = -

7* 3 = 21 and sign is -ve

4 0
2 years ago
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I need help with this
rodikova [14]
You need to expand (4x-7)(x+3), multiplying each term in the first bracket by each term in the second bracket, in order to get 4x^2+5x-21. Hope that helps!
5 0
3 years ago
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It is telling me to use compatible numbers to estimate the percent of 19% of 30
nexus9112 [7]
19% of 30

19 / 30 = 5.7

19 percent of 30 is approx. 5.7

Hope that helps! -Nadia aka UnicornFudge
7 0
3 years ago
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