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vagabundo [1.1K]

3 years ago

14

A.

1 answer:

zhenek [66]3 years ago

4 0

Answer:

640 cm³

Step-by-step explanation:

Each prism has a volume of (4 cm) (4 cm) (20 cm) = 320 cm³.

There are two prisms, so the total volume is 640 cm³.

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2 years ago

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When 4 times the number x is added to 12, the result is 8. What number results when 2 times x is added to 7 ?

Bumek [7]

<h2><u>Given </u><u>:</u><u>-</u></h2>

<u> $\bf4 \: times \: a \: number \: x \: is \: added \: to \: 12 \\ \bf the \: result \: is \: 8$ </u> ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎
$\bf⟹ \: 4x + 12 = 8$

$\large\bf{\underline{We\:have\:to\:find:-}}$

$\bf\:The \: number \: results \: when \: 2 \: times \: x \\ \bf is \: added \: to \: 7$
$\bf ⟹\: 2x + 7 = ?$

$\large\bf{\underline{To \:find\:the\:value\:of\:x}}$

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ $⟹4x + 12 = 8$

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ $⟹4x = 8 - 12$

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ $⟹4x = - 4$

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ $⟹x = \frac{ - 4}{4}$

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ $⟹x = - 1$

$\large\bf{\underline{Putting\:the\:value\:of\:x\:in\:2x+7}}$

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ $=2x + 7$

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ $=2( - 1) + 7$

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ $= - 2 + 7$

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ $= 5$

__________________________________________

$\large\bf{\underline{Hence}}$

$\huge{2x + 7}$

$\huge{=5}$

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3 years ago

If amy sends 20emalis in 5minutes what ia the init rate

Maksim231197 [3]

I'm pretty sure it would be 4 20÷5=4

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3 years ago

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kherson [118]

C because something something

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3 years ago

You are creating an emergency fund and decide to place $415.00/month in an account that earns a 3.75 APR. How much interest accr

hoa [83]

At the end of the first full month the interest acquires is $ 1.30.

<u>Step-by-step explanation:</u>

Since we are looking for the interest for full month, we have to divide the APR by 12.

Because APR is the interest amount for the full year.

So 3.75 % = 3.75/100 = 0.0375

Now multiplying, we will get

415 × 0.0375/12 = $ 1.30

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4 years ago