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postnew [5]
2 years ago
15

Help me fast please

Mathematics
1 answer:
Maru [420]2 years ago
4 0
Jan could have 7 jars of 5 tablespoons with left over vanilla
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What is the area of rhombus ABCD <br>8.5ft and 3.5ft​
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b

Step-by-step explanation:

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2 years ago
Who can help ? <br> please
Assoli18 [71]

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Step-by-step explanation:

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KATRIN_1 [288]

Answer:

19 coins

Step-by-step explanation:

We know that mean is the sum of all the elements divided by the number of elements there are: m = t/n, where m is the mean, t is the total sum, and n is the number of elements.

Here, we are given the mean number of coins for all 27 + 18 = 45 children is 16, so m = 16 and n = 45. Then:

m = t/n

16 = t/45

t = 720

This t means that the total number of coins that all the boys and girls have is 720 coins.

Now, we also know the mean number of coins for the boys only, which is 14. Since there are 27 boys, then:

m = t/n

14 = t/27

t = 378

This t means the total number of coins all the boys have.

Subtracting 378 from 720, we get 342, which is the total number of coins the girls have. We also know there are 18 girls, so:

m = t/n

m = 342 / 18 = 19

Thus, the mean is 19 coins.

7 0
3 years ago
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Which rule can be used to describe the growth of the y vales of the function y=12^x over each interval from x=-1 to x=3?
valentinak56 [21]
The function is f(x)=12^x. 

This means that as we get from 1 to 2, we have the following values:

f(1)=12^1=12, and f(2)=12^2=12\cdot12.

Similarly, if we check x=3, we have f(3)=12^3=12\cdot12\cdot12.


We can see that as x changes by 1 (with greater values), y increases by a factor of 12.


Answer: multiply by 12
5 0
3 years ago
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How to solve the proportion
Bezzdna [24]
So you want to cross multiply. then it would be 3x=25 then divide by 3 isolating x. x=25/3
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3 years ago
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