3 years ago

Can someone help plz

Mathematics

1 answer:

KIM [24]3 years ago

8 0

I think the answer is B.

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The number of donuts produced by a machine is directly proportional to the time the machine runs . The machine produces 380 donu

mrs_skeptik [129]

Answer:

855 donuts

Step-by-step explanation:

380/20 = 19 donuts per minute

19 × 45 = 855

5 0

3 years ago

3a+a+2a-5a? Can someone give me the answer please? Ty

Shkiper50 [21]

Answer:

Step-by-step explanation:

=3a + a + 2a - 5a

=4a - 3a

= a

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3 years ago

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Rationalize the denominator of sqrt -9 / (4-7i) - (6-6i) ...?

Colt1911 [192]

√(- 9 ) / (( 4 - 7 i ) - ( 6 - 6 i )) = 3 i / ( 4 - 7 i - 6 + 6 i ) =
= 3 i / ( - 2 - i ) = - 3 i / ( 2 + i ) =
$= \frac{-3i}{2 + i}* \frac{2 - i}{2 - i}= \\ = \frac{-6i+3i ^{2} }{2- i^{2} }= \\ = \frac{-3-6i}{2+1}= \frac{-3-6i}{3}=$
= - 1 - 2 i

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4 years ago

jek_recluse [69]

Do you have a picture???

4 0

3 years ago

HELP ASAP!!!!!!!!!!!!WILL MARK BRAINLIEST!!!!!!! THANK YOU<3<3

Leto [7]

Answer:

x= 3/5

Step-by-step explanation:

SOH-CAH-TOA

You have the adjacent and hypotenuse so you will use Cosine

cos=adj/hyp

adj=3

hyp=5

3/5 = cos (or theta)

5 0

3 years ago