3 years ago

Can you help me with this one

Mathematics

1 answer:

Gelneren [198K]3 years ago

8 0

Answer:

Step-by-step explanation:

pls type the question properly have a good day:-)

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13 times an unknown number added to 72 equals -23 times the unknown number.what is the solution to the sentence ?

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mojhsa [17]

Step-by-step explanation:

Decimals can always be put over 1, as they're part of a whole number.

$\frac{0.75}{1}$

<u>Multiply both numerator and denominator by 100:</u>

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3 years ago

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12x + 50

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What is the sum of the arithmetic series: s10 = -20, d = 4, a1 =?

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<h2>Step-by-step explanation:</h2><h3> $\green\star$ Given</h3>

$\blue\star$ s10 = -20

$\blue\star$ n = 10

$\blue\star$ an = -20

$\green\star$ solution

$\green\star$ s10 = n\2 [a+(n-1)d]

$\green\star$ -20 = 10a2[a+(10-1)4]

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$\small\boxed{a = -40}$

Hope it helps.

Hope it helps

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