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bezimeni [28]
3 years ago
9

Please help solve this problem ​

Mathematics
1 answer:
neonofarm [45]3 years ago
5 0

Answer:

answer iss ( -2 , 0 )

Step-by-step explanation:

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A test has 20 questions. If peter gets 80% correct, how many questions did peter missed?
Umnica [9.8K]
16 because if you put 16 into a percentage it's 80. 16 divide 20 times 100 equal 80
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A set of data with 750 numbers is normally
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Answer:

510

Step-by-step explanation:

(0.68)750

shift decimal places

510.00

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Jen uses 8.6 gallons of gasoline to drive 164.7 miles. Which is the best estimate for thenumber of miles per gallon of gasoline
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C

Step-by-step explanation:

164.7/8.6 = 19.15

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3 years ago
Macario is making 12 pounds of nut mixture with macadamia nuts and almonds. Macadamia nuts cost $9 per pound and almonds cost $5
Fynjy0 [20]

Marcario should use  4 pounds of macadamia nuts and 8 pounds of almonds.

Explanation

given

cost of macadamia nuts per pound=$9

cost of almond nuts per pound=$5.25

cost of the mixture per pound=$6.5

total pounds of the mixture to be made=12

let the pounds of macadamia nuts=x

pounds of almond nuts=y

total pounds of nuts=x+y=12

x+y=12(1)\\9x+5.25y=6.5(x+y)\\\\9x+5.25y=6.5*12\\9x+5.25y=78(2)

solving (1) and (2)

x=4

y=8

5 0
3 years ago
prescription for marilyn jones piroxicam 20 mg capsule take 1 capsule 2 times a day how many milligrams mg will marilyn take of
guapka [62]

Answer:

she will be taking 3600 mgs. in 90 days

Step-by-step explanation:

if she is taking a 20 mgs. twice a day that will make it 40 mgs. a day.  If she takes it for 90 days

you will multiply 90 by 40

so

90

x40

= 3600 mgs. in 90 days

3 0
3 years ago
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