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3 years ago

How to make a math question out of 14-7

Mathematics

1 answer:

german3 years ago

6 0

Answer:

Mandy's bakery has 14 cupcakes at the beginning of the day. throughout the day 7 cupcakes were bought. how many cupcakes are left?

Step-by-step explanation:

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A sample of n = 5 scores has a mean of m = 8. one new score is added to the sample and the new mean is calculated to be m = 9. w

Yuri [45]

If the 5 scores have a mean of 8, then their total sum would be 8*5 = 40

Now if one score if added (let's call this score x), there are 6 scores and the mean changes to 9, thus:
(40 + x)/6 = 9
40 + x = 54
x = 14

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3 years ago

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using the distributive property to find the product (y-4)(y^2+4y+16) results in a polynomial of the form y^3 + 4y^2 + ay - 4y^2

Anni [7]

(y-4)(y^2+4y+16)
y^3+4y^2+16y-4y^2-16y-64=y^3+4y^2+ay-4y^2-ay-64
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3 years ago

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1 1/3 x 2 3/4 = <br> ANSWER ASAP AND BE RIGHT <br> EXPLAINNNN STEP BY STEP <br> TO BE BRAINLIEST

sladkih [1.3K]

Answer:

1/2

Step-by-step explanation:

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3 years ago

If 30 kids in the class like grape juice, how many<br> kids like pineapple juice?

lbvjy [14]

Sorry, I'm going to need a more accurate question. How many kids are there in total?

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3 years ago

In 2000, the population of Massachusetts

Zepler [3.9K]

Answer:

The population reaches 7 million people in the year 2032.

Step-by-step explanation:

We have that

$f(x) = 6.3*(1.0032)^{x}$

Using this model, find the year when the population reaches 7 million people.

This is x years after 2000, in which x is found when f(x) = 7. So

$f(x) = 6.3*(1.0032)^{x}$

$7 = 6.3*(1.0032)^{x}$

$(1.0032)^{x} = \frac{7}{6.3}$

$(1.0032)^{x} = 1.11$

We have to following logarithm rule

$\log{a^{x}} = x\log{a}$

So we apply log to both sides of the equality

$\log{(1.0032)^{x}} = \log{1.11}$

$x\log{1.0032} = \log{1.11}$

$x = \frac{\log{1.11}}{\log{1.0032}}$

$x = 32.66$

2000 + 32.66 = 2032

The population reaches 7 million people in the year 2032.

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3 years ago