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sukhopar [10]
3 years ago
7

The area of Maxine's living room is 88 square feet. The length of the room is 3 feet longer than the width. Which quadratic equa

tion can Maxine use to determine the width, x, of her living room?

Mathematics
1 answer:
GaryK [48]3 years ago
6 0

Answer:

B. Because x(x+3) is x^2+3x

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I need help on how I would find the roots to these problems.( show steps please)
katen-ka-za [31]
You need to state the original function(s) to find the additional roots.
3 0
3 years ago
please help :) What is 7.7 x 10 to the 8 power written in standard form? A. 770,000,000 B. 77,000,000,000 C. 77,000,000 D. 7,700
Serjik [45]

Answer:

A. 770,000,000

Step-by-step explanation:

7.7x10^8 First step is to simplify

7.7x100,000,000 Then, multiply

770,000,000

Hope this helps, if it does, please consider giving me brainliest, it will help me a lot. If you still have any questions, feel free to ask.

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7 0
3 years ago
There are 25 kids in a class, and the number of boys is 2/3 of the number of girls. How many boys and how many girls are in this
Ksju [112]
25 kids in all
2xboys:3x girls
 
so the equation would be 
2x+3x=25
solve,
5x=25
/5           /5
x=5
2x=10
3x=15


10 boys and 15 girls



3 0
3 years ago
4. Entomologists introduce 20 of one
Lina20 [59]

Answer:

This number can be found using the Rule of 70, which describes the formula dt = 70 / r, where dt is the doubling time, and r is the annual rate of growth.

Step-by-step explanation:

24/6 = 4

20 x 2 = 40 x 2 = 80 x 2 = 160 x 2 = 320

20 ---> 320 in the first day.

Keep doing this equation. Multiply each day's end result by 2 four times for 9 more days.

8 0
3 years ago
Cooper's USB drive is 1··2full with 5 video files. Each video file is the same size. What fraction of the USB drive does 1 video
lidiya [134]

Answer:

the fraction of the USB drive when one video file use is 10%

Step-by-step explanation:

The computation of the fraction of the USB drive when one video file use is given below:

= USB drive × number of video file ÷ number of video file

= half × 1 ÷ 5

= 0.5 × 1 ÷ 5

= 0.10

= 10%

Hence, the fraction of the USB drive when one video file use is 10%

6 0
2 years ago
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