2 years ago

Simplify the expression. 20 • 5–2 a) 25 b) –500 c) –200 d) 4/5

Mathematics

1 answer:

SCORPION-xisa [38]2 years ago

8 0

Answer: D) 4/5

Hope this helps :)

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Solve for x please 2/3 x+1 =27

romanna [79]

2/3 x + 1 = 27

subtract 1 from each side

2/3 x = 26

multiply by 3/2

3/2 * 2/3 x = 26 * 3/2

x = 39

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3 years ago

I need help on this plzzz

antoniya [11.8K]

Answer:

i cant see it

Step-by-step explanation:

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The local skating rink pays Mary a fixed rate per pupil plus a base amount to work as a skating instructor. She earns $90 for

baherus [9]

Answer:The expressions for the payment made to Mary are,

(Monday) 90 = 15m + b

(Tuesday) 62 = 8m + b

where m and b are the fee per student and the base fee, respectively. Solving for m and b, the values are 4 and 30.

The equation that represents Mary's earning is

y = 4x + 30

For 20 students,

y = 4(20) + 30 = 110

For Lisa's earnings,

y = 8x + 15

Substituting 20,

y =8(20) + 15 = 175

Thus, Lisa would earn more than Mary by $65.

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Step-by-step explanation:

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3 years ago

You 495 miles from home and you are driving toward home at an average of 45mph. How long will it take to drive home if you maint

Karo-lina-s [1.5K]

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Distance=speed.time

495=45.t

t=11

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In AGHI, the measure of ZI=90°, HI = 5.6 feet, and IG = 2.8 feet. Find the measure

lesantik [10]

Answer:

63.4

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