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3 years ago

I need help please and thank you

Mathematics

2 answers:

valina [46]3 years ago

8 0

The answer to the problem is -1

yan [13]3 years ago

6 0

$\frac{ {4}^{3} \div ( - 12 + {2}^{2} )}{ {(2 \times 3)}^{2} + ( - 5 \times 2 \times 3) + 2 } = \\ = \frac{64 \div ( - 8)}{36 - 30 + 2} = \frac{ - 8}{8} = - 1$

Answer: -1

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3 years ago

Find the area of each triangle.<br> 1.) Show your work.

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Answer:

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2 years ago

$13,957 is invested, part at 7% and the rest at 6%. If the interest earned from the amount invested at 7% exceeds the interest e

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The Amount invested at 7% interest is $12,855

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Step-by-step explanation:

Given as :

The Total money invested = $13,957

Let The money invested at 7% = $p_1$ = $A

And The money invested at 6% = $p_2$ = $13957 - $A

Let The interest earn at 7% = $I_1$

And The interest earn at 6% = $I_2$

$I_1$ - $I_2$ = $833.73

Let The time period = 1 year

Now,<u> From Simple Interest method</u>

Simple Interest = $\dfrac{\textrm principal\times \textrm rate\times \textrm time}{100}$

Or, $I_1$ = $\dfrac{\textrm p_1\times \textrm 7\times \textrm 1}{100}$

Or, $I_1$ = $\dfrac{\textrm A\times \textrm 7\times \textrm 1}{100}$

And

$I_2$ = $\dfrac{\textrm p_2\times \textrm 6\times \textrm 1}{100}$

Or, $I_2$ = $\dfrac{\textrm (13,957 - A)\times \textrm 6\times \textrm 1}{100}$

∵ $I_1$ - $I_2$ = $833.73

So, $\dfrac{\textrm A\times \textrm 7\times \textrm 1}{100}$ - $\dfrac{\textrm (13,957 - A)\times \textrm 6\times \textrm 1}{100}$ = $833.73

Or, 7 A - 6 (13,957 - A) = $833.73 × 100

Or, 7 A - $83,742 + 6 A = $83373

Or, 13 A = $83373 + $83742

Or, 13 A = $167,115

∴ A = $\dfrac{167115}{13}$

i.e A = $12,855

So, The Amount invested at 7% interest = A = $12,855

And The Amount invested at 6% interest = ($13,957 - A) = $13,957 - $12,855

I.e The Amount invested at 6% interest = $1,102

Hence,The Amount invested at 7% interest is $12,855

And The Amount invested at 6% interest = $1,102 . Answer

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3 years ago

Easy I just don't understand math help?

GenaCL600 [577]

$\frac{26}{52}\cdot\frac{25}{51}\cdot\frac{24}{50}=\\
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3 years ago

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The answer is $22.00

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