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ANTONII [103]
3 years ago
13

Two similar triangles have heights of 8 and 20. The area of the larger triangle

Mathematics
1 answer:
zysi [14]3 years ago
7 0

Answer:

60

Step-by-step explanation:

the question is based on similarity and enlargement

firt thing put the velues to ratio form;8;20

simplify to obtain2:5 as your linear scale factor...

if 5:150

2=?

2*150/5=60

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B is between A and C. AB = 3x, BC = 2x + 7, AC = 42<br><br> a) X =<br> b)AB =<br> c)BC=
ryzh [129]

Answer: x=7

               ab=21

               bc=14

Step-by-step explanation:

ab=3x

bc=2x±7

ac=42

3x±2x±7=42

5x±7=42

5x=42-7

5x=35

to get the value of x you divide 35 by 5x

35÷5x=7

so the value of x is 7

ab=3x

x=7

3x=7×3x

7×3=21

x=7

2x=7×2x

2×7=14

5 0
3 years ago
If h and j are positive, (h+j)2 = 73 and h2 +j2 = 51, what is hj?
kkurt [141]

Answer:

hj = 11

Step-by-step explanation:

  • (h+j)^2=73,\:\: and\:\: h^2+j^2 =51 (Given)

  • (h+j)^2 = h^2+j^2 +2hj

  • \implies 73= 51 +2hj

  • \implies 73- 51 =2hj

  • \implies 22 =2hj

  • \implies hj = \frac{22}{2}

  • \implies hj = 11
3 0
2 years ago
For every pound a company spends on advertising, it spends 59 pence on its website. Express the amount spent on advertising to i
Tom [10]

Answer:

100:59

Step-by-step explanation:

1 pound = 100pence

59 pence

100:59

4 0
3 years ago
ANSWER ASAP will mark brainliest!
noname [10]

Answer:

Your answer is

1st Question ::::: 15%

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B----- 3$ increase

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Want more answer then follow me, like and MARK MY ANSWER AS BRAINLIST ANSWER.

I need that urgently.

8 0
3 years ago
Read 2 more answers
60% of what number is 72?
Hitman42 [59]
60%=0.6

0.6*x=72

0.6x=72

x= \frac{72}{0.6}

x=120

72 is 60% of 120
7 0
4 years ago
Read 2 more answers
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