3 years ago

The size of a large milkshake is 1.4 times the size of a medium milkshake. Write 1.4 as a percent

Mathematics

2 answers:

pishuonlain [190]3 years ago

6 0

25%
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Lapatulllka [165]3 years ago

4 0

140% i believe. I'm not 100% sure

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3x + 6y = 42 <br> -7x + 8y = -109

Sladkaya [172]

Answer:

x+2y-14=0

Step-by-step explanation:

Divide both sides of equation by 3

7 0

3 years ago

Ending time 6:30, elapsed time 37 minutes

Nastasia [14]

Answer:

5:53

Step-by-step explanation:

The original time would be 37 minutes before 6:30 so you would subtract 37 minutes from 6;30. So 6:30 minus 30 would be 6 and you would have 7 left over so 6:00 minus 7 minutes would be 5:53

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3 years ago

Which of the following are identities? Check all that apply. A. cot2x + 1 = csc2x B. tan2x = 1 - sec2x C. sin2x = 1 + cos2x D. s

kirill115 [55]

I'll assume those are squares. We know D is an identity:

$\sin^2 x + \cos ^2 x = 1$

Dividing through by $\sin ^2 x$

$1 + \cot^2 x = \csc^2 x$

That's A.

Dividing the original through by $\cos ^2 x$

$\tan^2 x + 1 = \sec^2 x$

Not quite B, wrong sign on tangent.

C has the wrong sign on cosine squared as well.

Identities: A & D

4 0

3 years ago

Which expressions are equivalent to

andrew-mc [135]

Answer

Step-by-step explanation:

the answer is :

90 - 60 = 30

3 0

3 years ago

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Evaluate k(2q^2+3q)for k(x)=8x+7q

marusya05 [52]

My best guss would just try to get x by its self

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3 years ago