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ASHA 777 [7]
3 years ago
15

Select the reason why these triangles are

Mathematics
1 answer:
Nady [450]3 years ago
7 0

Answer:

S A S

Step-by-step explanation:

Corresponding sides are in same ratio

\dfrac{21}{15}=\dfrac{14}{10}\\\\\dfrac{7}{5}=\dfrac{7}{5}

And the in between angle  of the corresponding sides are common.

So, S A S similarity

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Please explain what mark up is to me. Keep it simple
iogann1982 [59]

Hey there!

Markup is the percentage that the cost of an item is increased.

For example, if a company bought a pair of headphones that costed $100 and they sold it for $150, the markup was 50%, since half of the original cost was added. if the markup were 100% it would have been sold for $200, since it added 100% of the original.

I hope this helps!

8 0
3 years ago
(9x + 7)(4x + 1)(3x + 4) = 0<br> 1 root<br> 3 roots<br> 4 roots<br> 9 roots
asambeis [7]

Answer:

3 roots

Step-by-step explanation:

(9x+7)(4x+1)(3x+4)=0

x=-7/9 or - 1/4 or - 4/3

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3 years ago
Bruce jogs a total of 25 km every week. How many kilometres does he jog in a year?
kozerog [31]
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5 0
3 years ago
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Nezavi [6.7K]

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3 0
3 years ago
Factor -75c^2-45c+12
motikmotik

Answer: −3(5c+4)(5c−1)

Step-by-step explanation:

1. Find the Greatest Common Factor (GCF).

GCF=3

2. Factor out the GCF. (Write the GCF first. Then, in parentheses, divide each term by the GCF.)

3(75c^2/3+45c/3−12/3)

3. Simplify each term in parentheses.

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4. Split the second term in 25c2+15c−4 into two terms.

−3(25c^2+20c−5c−4)

5. Factor out common terms in the first two terms, then in the last two terms.

−3(5c(5c+4)−(5c+4))

6. Factor out the common term 5c+4

−3(5c+4)(5c−1)

4 0
3 years ago
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