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andreyandreev [35.5K]
2 years ago
13

Alex scored 10% in his math test if the test was out of 30, what was his score

Mathematics
2 answers:
Firlakuza [10]2 years ago
5 0

Answer:

Yeesh it was a 3

Step-by-step explanation:

10% of 30=.10 x 30

Answer is 3

Bogdan [553]2 years ago
4 0
Answer is 3 because 10 percent of 30 equals 3
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What is 3 = 5x - 12?​
zepelin [54]

Answer:

x = 3

Step-by-step explanation:

3=5x-12

Rearrange the Equation.

5x - 12 = 3

Add 12 to both sides.

5x - 12 + 12 = 3 + 12

Simplify

5x = 15

Divide both sides by 5

5x/5 = 15/5

x = 3

5 0
3 years ago
A train travels 4.4 miles in
Ugo [173]

Answer:

63.8 miles

Step-by-step explanation:

If the train travels 4.4 miles in 4 minutes, then you have to divide 4.4/4 to find the miles the train travels per minute.

4.4/4 = 1.1

So, since the train travels 1.1 miles per minute, and we want to know how fast it travels in 58 minutes, we have to multiply 1.1 by 58. Since 1.1 is a decimal number, we have to multiply both sides by 10 to get 11x580.

11x580 = 5800+ 580 = 6380

Since we multiplied both numbers by 10, we have to divide 6380 by 100.

6380/100 = 63.8

So, the train travels 63.8 miles in 58 minutes.

3 0
2 years ago
If 2x + 8 = 16 , what is the value of x + 4 ?
KonstantinChe [14]

Answer:

the answer is 879

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What points are solutions for the system of equations?
siniylev [52]
If it's written correctly, I believe the points are (5 , 140) and (20 , 520). First equation indicates a parabola and the second a line. The parabola crosses the line at two points.
3 0
3 years ago
A factory made 4250
vodomira [7]

Step-by-step explanation:

Total amount of cookies = 4250

butter cookies, b

Almond cookies, a

Chocolate cookies, c

It made 715 more butter cookies than

almond cookies

b = a + 715

It made 5 times as many chocolate cookies as almond

5a = c

Total amount of cookies

= a + b + c

= a + (a+715) + (5a)

= 7a + 715

7a + 715 = 4250

7a = 4250-715

a = 3535 / 7

a = 505

c = 5a

= 5 (505)

= 2525

The factory make 2525 chocolate cookies.

5 0
2 years ago
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