All categories

3 years ago

5x + 12 = 2x + 21 Step by step (Right answer plz )

Mathematics

2 answers:

vladimir2022 [97]3 years ago

8 0

Answer:

$5x + 12 = 2x + 21 \\ 5x - 2x = 21 - 12 \\ 3x = 9 \\ x = \frac{9}{3}\\ \boxed{x = 3}$

<u>x = 3</u> is the right answer.

jek_recluse [69]3 years ago

3 0

Answer:

$5x + 12 = 2x + 21 \\ 5x - 2x = 21 - 12 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3$

Step-by-step explanation:

please mark me brainliest

You might be interested in

Katie has 4 grape candies and 3 cherry candies. The ratio of the mumber of grape candies to the total number of candies is what?

dimaraw [331]

Answer 4:7

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

#15. A cube has a volume of 200 cm ^2 write the

levacccp [35]

Answer:

$2(25)^{\dfrac{1}{3}}$

Step-by-step explanation:

The volume of a cube is 200 cm².

We need to find the edge length of the cube.

The formula for the volume of a cube is given by :

$V=a^3$

a is the side of the cube

$a=\sqrt[3]{200} \\\\=(200)^{\dfrac{1}{3}}\\\\=(25\times 8)^{\dfrac{1}{3}}\\\\=(25)^{\dfrac{1}{3}}\times (8)^{\dfrac{1}{3}}\\\\=2(25)^{\dfrac{1}{3}}$

So, the edge length of the cube is $2(25)^{\dfrac{1}{3}}$ .

3 0

3 years ago

Single payment loan. Principal $10,500.00 annual rate of interest 15%, time 123 days. What is the total repayment

andrew-mc [135]

Answer:

B, 11000

Step-by-step explanation:

assuming a 365 day year...

$10500*(1+.15)^{\frac{123}{365}}= 11006.35813$

which I guess is close enough to 11000

4 0

3 years ago

Anyone good with geometry?

pav-90 [236]

5) m<1 = 60
6) m<2 = 30
7) m<3 = m<1 = 60
8) m<4 = m<2 = 30

90/18 = 5
9) m<1 = m<3 = 85
10) m<2 = m<4 = 5

5 0

3 years ago

Aiko jumped rope for an amazing 20 minutes. She stoped at 8:05. When did she start jumping?

marissa [1.9K]

If she stopped at 8;05, and she started 20 minutes earlier, just imaging a clock at 8:05 and turn back time 20 minutes.

Five minutes would be 8:00, ten minutes is 7:55, fifteen minutes is 7:50, and twenty minutes is 7:45. This, she started at 7:45

4 0

3 years ago