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loris [4]
3 years ago
14

First combined weight of three packages that weigh 5 1/2 pounds 4 7/16 pounds and 3 3/8 pounds

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
4 0
5 1/2 + 4 7/6= 9.9+3 3/8=13.37
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77julia77 [94]

Answer:

Option C. x=7

Step-by-step explanation:

we know that

If PQ is parallel to BC

then

triangles APQ and ABC are similar

Remember that

If two figures are similar them the ratio of its corresponding sides is proportional

so

\frac{AP}{AB}=\frac{AQ}{AC}

substitute the values

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Solve for x

\frac{x}{2x+7}=\frac{x-3}{2x-2}\\ \\x(2x-2)=(2x+7)(x-3)\\ \\2x^{2}-2x=2x^{2}-6x+7x-21\\ \\3x=21\\ \\x=7\ units

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3 years ago
How much did you invest if you earned $131.60 in interest at a rate of 4% for seven years?
Ket [755]

The amount invested is $ 470

<h3><u>Solution:</u></h3>

Given that ,  we have earned $131.60 as simple interest for an amount deposit at the rate of 4% for seven years.

We have to find the amount invested.  That is, we need to find the principal sum

Let us use the simple interest formula

<em><u>The simple interest is given as:</u></em>

\text { Simple interest }=\frac{p r i n c i p a l \times \text {rate of interest } \times \text {number of years}}{100}

Here, simple interest = $ 131.60

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principal = ?

Substituting the values in formula, we get

\begin{array}{l}{131.6=\frac{\text { principal } \times 4 \times 7}{100}} \\\\ {131.6 \times 100=\text { principal } \times 4 \times 7} \\\\ {13160=\text {principal } \times 28} \\\\ {\text {Principal }=470}\end{array}

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4 0
3 years ago
Caleb solved this equation and recorded his work.
Vladimir79 [104]

Answer:

B) In step 2, the like terms were not combined properly on the right side of the equation.

Step-by-step explanation:

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4 years ago
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15 i think

Step-by-step explanation:

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Please help help help!!!
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Answer:

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