2 years ago

Mr. Peterson graded 126 tests in 3 hours. How many tests can he grade in 5 hours?

Mathematics

2 answers:

nekit [7.7K]2 years ago

6 0

126/3 = 42

42*5 = 210

Mr. Peterson can grade 210 tests in 5 hours.

madreJ [45]2 years ago

6 0

Answer:

210

Step-by-step explanation:

126 tests in 3 hours

x. in 1 hour

126=3x => x= 126:3=42 tests in 3 hours

in 5 hours=> 5°42= 210 tests.

You might be interested in

I'd really appreciate it if anyone could help! :) Giving brainliest.

Naddik [55]

Answer:

Step-by-step explanation:

The easiest way to simplify the expression below is using a property: if we take random non-0 number to the 0 power, we finally get 1, so $a^0=1$

4 0

3 years ago

Help please.........

WINSTONCH [101]

Lesser slope

other stuff bla bla

6 0

3 years ago

Challenge: x(2)+9x+c<br><br>:-D

kvv77 [185]

Answer:

×(2)+9×+c

2×+9×+c =

11x+c

3 0

3 years ago

Express 3080 as a product of prime factors

n200080 [17]

Prime Factors of 3080 =2, 2, 2, 5, 7, 11

Which is the same as = 23 x 5 x 7 x 11

Prime Factors Tree of 3080

3080
/ \
2 1540
/ \
2 770
/ \
2 385
/ \
5 77
/ \
7 11
/ \
11 1

4 0

3 years ago

What is the area of triangle abc below? If necessary, round your answer to two decimal places..... PLEASE PLEASE HELP ME

antiseptic1488 [7]

For a triangle:
$A=\frac{bh}{2}$
$A=\frac{b \times 7.9}{2}$
$b=AD+DC$
Use Pythagorean theorem twice:
$AD^{2}+9.4^{2}=7.9^{2}$
$AD=5.09$

$DC^{2}+23.2^{2}=7.9^{2}$
$DC=21.81$

Thus:
$b=26.9$

And:
$Area=\frac{26.9 \times 7.9}{2}=106.26$

6 0

3 years ago