3 years ago

This is timed and I just need to see if i’m right! please check my work :)

Mathematics

1 answer:

Misha Larkins [42]3 years ago

4 0

Hi! actually, the y intercept is 0, 8. hopefully this helps

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Intr-o clasa snt 35 de elevi .nr fete este egal cu 75 la suta din nr baietilor .aflati nr baietilor

Zanzabum

Salut!

b=baiat

f=fata

In clasa sunt 35 elevi.

75/100 x b=f

3b/4=f

3b=4f

b+f=35

3b+3f=105

7f=105

f=15

b=35-15

b=20

Succes!

5 0

3 years ago

Flying against the wind, an airplane travels 3200 kilometers in 5 hours. Flying with the wind, the same plane travels 6300 kilom

Arisa [49]

Answer:

1300

Step-by-step explanation:

6300

-3200=

1300

4 0

2 years ago

Please help me!!!!!!

FromTheMoon [43]

Answer:

Step-by-step explanation:

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3 years ago

Julie is a math tutor. She charges each student $210 for the first 7 hours of tutoring and $20 for each additional hour.

Maksim231197 [3]

She spent 17 hours tutoring

$210 = 7 hours

$20 x 10 hours = $200

$210 + $200 = $410
7 Hours + 10 Hours = 17 Hours

8 0

3 years ago

Read 2 more answers

heather has divided $6300 between two invesments, one paying 9%, the other paying 4%. If the return on her investment is $372, h

Ganezh [65]

Assuming that the two investments are X & Y
X + Y = 6300
X = 6300 - Y (1)

9/100X + 4/100 Y = 372 (2)
replacing X from (1) into (2)
9/100(6300-Y) + 4/100 Y = 372
567 - 9/100Y +4/100Y = 372
(-9+4)/100Y = 372 - 567
5/100Y = -195
Y = 100*195/5 = 3900
From (1) we can get X
X = 6300 - 3900 = 2400

I hope this is helpful

6 0

3 years ago