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Law Incorporation [45]
3 years ago
13

Write and solve a real-world problem that can be represented by the expression (-3)×(5)+10

Mathematics
1 answer:
Arada [10]3 years ago
6 0

I think -5, I'm not sure but I think it's -5.

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Indigo Depot is having a clearance sale of their summer items. A swimsuit that originally cost $90 before any discount is on sal
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$43.20

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A swimsuit that originally cost $90 before any discount is on sale for 20% off.

X = price of swimsuit

X = 90

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What is 17/12 as a mixed number
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What are the zeros of the polynomial equation f(x)=x^2-12x+20?
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3 years ago
Rhombus ADEF is inscribed into a triangle ABC so that they share angle A and the vertex E lies on the side BC . What is the leng
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Answer:

Length of side of rhombus is x=\frac{ab}{a+b}  

Step-by-step explanation:

Given Rhombus ADEF is inscribed into a triangle ABC so that they share angle A and the vertex E lies on the side BC. We have to find the length of side of rhombus.

It is also given that AB=a and AC=b

Let side of rhombus is x.

In ΔCEF and ΔCBA

∠CEF=∠CBA        (∵Corresponding angles)

∠CFE=∠CAB        (∵Corresponding angles)

By AA similarity rule, ΔCEF~ΔCBA

∴ their sides are in proportion

\frac{EF}{AB}=\frac{CF}{AC}

⇒ \frac{x}{a}=\frac{b-x}{b}

⇒ xb=ab-ax

⇒ x(a+b)=ab

⇒ x=\frac{ab}{a+b}

Hence, length of side of rhombus is x=\frac{ab}{a+b}  

6 0
3 years ago
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