3 years ago

Explain how you know that the sum of 12.6 3.1 and 5.4 is bigger than 20

1 answer:

7 0

You know because if you round to the nearest whole number for these numbers, you will have 13 + 3 + 5, which you know is greater than 20.

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3. Simplify the expression: 1+4(2x - 3)-x A. 9x - 3 B. 9x - 15 C. 7x - 2 D. 7x - 11

OLga [1]

1+4(2x - 3)-x

Mutiply the bracket by 4

1+ (4)(2x)(4)(-3)-x

1+8x-12-x

8x-x+1-12 just rearranging

7x-11

Answer : D. 7x - 11

5 0

3 years ago

A sunflower is 15 inches tall and grows 2 inches a week. How many weeks will it take for the

Zarrin [17]

Answer:

4 weeks

Step-by-step explanation:

15 + 2x = 23

2x = 8

x = 4

8 0

2 years ago

Solve for x and explain the steps in your answer. Please Help :/

Solnce55 [7]

I believe the answer is -25/6 :)

7 0

3 years ago

Is 7x=5x-25+30 no solution,one solution, or all real numbers? Thank you!

viva [34]

One solution let's find that

$\\ \rm\hookrightarrow 7x=5x-25+30$

$\\ \rm\hookrightarrow 7x=5x+5$

$\\ \rm\hookrightarrow 2x=5$

$\\ \rm\hookrightarrow x=5/2$

6 0

3 years ago

Somebody please help me

Elenna [48]

Answer:

I believe it's 4,080

Step-by-step explanation:

you just add the two numbers

7 0

4 years ago

Read 2 more answers