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Umnica [9.8K]
3 years ago
7

Size

Mathematics
1 answer:
kramer3 years ago
3 0
The answer is: E

Hope this helps|
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PLEASE HELPPP
Inga [223]
1. write in standard form
2. group like terms
3. combine like terms
4. distribute the negative
6 0
2 years ago
Triangle ABC is similar to triangle DEF. The length of BC is 21cm. The length of DE is 10 cm. The length of EF is 14 cm. What is
Anarel [89]
It's a similar triangle so the ratios of corresponding sides should be equal which means

BC/EF = AB/DE
21/14 = AB/10
AB = 21/14 * 10 = 15 cm
8 0
3 years ago
Read 2 more answers
In angle PQR, angle P = (4x – 14)º, angle Q = (5x + 6)", and angle R= (x - 2)°. Find<br> angle R.
vekshin1

we have: ∠P + ∠Q + ∠R = 180°

<=> (4x – 14)º + (5x + 6)° + (x - 2)° = 180°

<=> 4x – 14 + 5x + 6 + x - 2 = 180°

<=> 10x - 10 = 180°

<=> 10x = 190

<=> x = 19°

So: ∠R = (x - 2)° = (19 - 2)° = 17°

ok done. Thank to me :>

5 0
2 years ago
Sam reads 30 pages of a book in 40 minutes. Which statement identifies a person with the same reading rate as Sam?
zavuch27 [327]

Answer:

Choice 3

Step-by-step explanation:

The reading rate of Sam is 0.75 pages/minute.

i.e 30 pages/40 minutes

The reading rate of Bill is 0.5 pages/minute

The reading rate of Francine is 0.72 pages/minute

The reading rate of Leroy is 0.75 pages/minute which is the same as Sam's.

7 0
3 years ago
What is the reference angle for a 240 degree angle?
Veronika [31]
The reference angle for 240° is 60° because 240 is in quadrant III. If you were to subtract 240 from 180 you’d get 60.
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1 year ago
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