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Mnenie [13.5K]
2 years ago
14

3x4 + 20x3 + 14x2 + 170 + 30 and x + 6?

Mathematics
1 answer:
wariber [46]2 years ago
6 0
<h3>Answer:</h3><h3>100x+200</h3><h3>x+6= x+6 slope=1</h3>

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Kayla hikes 25 meters in 13.7 seconds. Which of the following closest to how far she will hike in 6 minutes, if she maintains th
Nonamiya [84]

<u>Answer:</u>

197.28 meters in 6 minutes

<u>Step-by-step explanation:</u>

13.7 seconds ÷ 25 meters = 0.548 meters in 1 second

6 minutes = 360 seconds (6 minutes x 60 seconds in every minute = 360 seconds)

0.548 meters in 1 second x 360 seconds = 197.28 meters in 6 minutes

<em>Hopefully this helped! Sorry if wrong. You are loved and you are beautiful/handsome!</em>

-Bee

7 0
2 years ago
Jerry has 8/9 gallon of paint. He uses 3/4 of it to paint his treehouse. How much paint is left?
mariarad [96]
.666 gallons, you multiply 8/9 by 3/4
and thats how you do it.
8 0
3 years ago
24 POINTS!!!!!!
nika2105 [10]
5x - 2 equivalent to to  2x−2+3x

answer is B. 2x−2+3x
7 0
3 years ago
A circle has a diameter of 14 feet. What is the circumference of the circle? Use 3:14 for pie.
Marianna [84]

Answer:

Circumference= 43.96 feet

Step-by-step explanation:

Diameter of the circle= 14 feet

Radius of the circle= 14/2= 7 feet

Circumference of the circle= 2\pi r

As, \pi =\frac{22}{7}=3.14

Circumference:

                          =2*3.14*7\\\\=3.14*14\\\\=43.96feet

The circumference of the circle with the radius= 7 feet is 43.96 feet

6 0
3 years ago
Mr. McKay wrote an algebra test with a total of 15 questions consisting of multiple choice and short response style questions. M
tankabanditka [31]

Step-by-step explanation:

x = number of multiple choice questions

y = number of short response questions

x + y = 15

5x + 10y = 100

=>

x + 2y = 20

let's subtract the first from the second equation :

x + 2y = 20

- x + y = 15

--------------------

0 y = 5

x + y = 15

x + 5 = 15

x = 10

to graph you need to consider both equations as linear functions. and you need to transform them into e.g. a slope intercept form : y = ax + b

a is the slope, b is the y- intercept.

x + y = 15

transforms to

y = -x + 15

this line goes e.g. through the points (0, 15) and (1, 14).

and

x + 2y = 20

transforms to

2y = -x + 20

y = -x/2 + 10

this line goes e.g through (0, 10) and (2, 9).

the crossing point of both lines is the solution and should therefore be the point (10, 5) as calculated above.

5 0
2 years ago
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