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masya89 [10]
3 years ago
15

Write the expression 6a in words

Mathematics
1 answer:
alekssr [168]3 years ago
3 0
An apple has an unknown cost of a

I decide to buy 6 apples.

I will have to pay 6a for the apples
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9.21 <br><img src="https://tex.z-dn.net/?f=9.21%20%5Cdiv%200.4%20%3D%20" id="TexFormula1" title="9.21 \div 0.4 = " alt="9.21 \di
Whitepunk [10]
Let us do it by converting the 0.4 to a fraction, it has one decimal, so we'll use one zero at the denominator.

and 9.21 to a fraction as well, two decimals, thus two zeros at the denominator then,

\bf 9.21\div 0.4\\\\&#10;-------------------------------\\\\&#10;0.\underline{4}\implies \cfrac{04}{1\underline{0}}\implies \cfrac{4}{10}\implies \cfrac{2}{5}\qquad \qquad \qquad \qquad 9.\underline{21}\implies \cfrac{921}{1\underline{00}}\\\\&#10;-------------------------------\\\\&#10;9.21\div 0.4\implies \cfrac{921}{100}\div \cfrac{2}{5}\implies \cfrac{921}{100}\cdot \cfrac{5}{2}\implies \cfrac{921}{20}\cdot \cfrac{1}{2}\implies \cfrac{921}{40}&#10;\\\\\\&#10;23\frac{1}{40}\implies 23.025
3 0
3 years ago
Samantha deposit 300 in an account that earns an annual interest rate of 2.5 after nine months she computes the simple interest.
antiseptic1488 [7]

Answer:

She is doing a mistake of calculating interest after 9 months in place of after 12 months.

Step-by-step explanation:

Samantha deposit $300 in an account that earns an annual interest rate of 2.5%.

Now, Samantha after nine months of deposit computes the simple interest.

She is doing a mistake of calculating interest after 9 months in place of after 12 months.

The calculation of interest should be on a yearly basis (i.e. 12 months) as the interest rate is 2.5% per year. (Answer)

4 0
3 years ago
4x 7/8. Find the product . Write the product in the simplest form.
Assoli18 [71]
Multiply (4) (7x8) and you’ll get 7/2
8 0
2 years ago
How the<br> GCF<br> of Monomials helps to factor an expression?
yanalaym [24]
A greatest common monomial factor is the largest term that goes into a list of given terms. In order to identify the greatest common monomial factor, write the prime factorization of each term, and the product of the common factors is the greatest common monomial factor.
6 0
2 years ago
Janet is buying a $28 necklace. The store reduces the price by 20% and then applied a $2 off coupon. How much will Janet pay for
Viefleur [7K]

The cost will be <u>$20.40</u>

<h3>EXPLANATION</h3>

10% of $28 = $2.80

10% x 2 = $5.60 = 20%

$5.60 + $2 = $7.60

$28 - $7.60 = <u>$20.40</u>

Hope this helps!

8 0
3 years ago
Read 2 more answers
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