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Vera_Pavlovna [14]
2 years ago
7

Use distributive property to write the expression withoit parenthesis: 3(7x+4)​

Mathematics
2 answers:
zalisa [80]2 years ago
6 0

Answer:

21x + 12

Step-by-step explanation:

correct me of i am wrong

jekas [21]2 years ago
6 0

Answer:

21x+12

Step-by-step explanation:

3(7x+4)

21x+12

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Plz help me and plz show work
Flauer [41]

Answer:

21. The slope is 50.

22. 0

23. y=50x

24. $2600

Step-by-step explanation:

21. The slope of the line is 50. Slope is defined as "rise over run". As the line increases, each segment moves up the y-axis by $50, and to the right on the x-axis 1 segment. (Work: 50 divided by 1)

22. The y-intercept is (0, 0), or simply 0. If you look at the graph you can see that the line crosses the y-axis at the origin. This makes the y-intercept equal to 0.

23. The slope tells you that the student makes $50 every week. The y-intercept is 0. Using the formula y=mx+b, an appropriate equation would be y=50x.

24. The equation found in problem 23 can me used to determine how much a student makes (y) after "x" weeks. Substitute 52 for x to solve for y. This becomes y=50(52). This can be simplified to y=2600. This means that after 52 weeks, the student will have made $2,600.

8 0
3 years ago
Read 2 more answers
The equation y-1=-7(x-3) is written in point-slope form. What is the y-intercept of the line?
vredina [299]

Hello,


y - 1 = -7x + 21

So y = 1

x = 21/7

8 0
3 years ago
For the following right triangle find the side length x
sertanlavr [38]

Since there is a right angle, you can use Pythagoras' Theorem:

So x = √(24² + 7²) = 25

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

Answer:

25

6 0
3 years ago
When will there be 0 pennies in the jar?how did you figured this out?
siniylev [52]
23 3/4 rounds because you can take 95 divided by 4 to get 23 3/4 rounds
6 0
2 years ago
Brand Number of Packets Cost
Sveta_85 [38]

Answer:

B) Brand 2

Step-by-step explanation:

Brand 1: $10.68 ÷ 12 = 0.89

Brand 2: $9.44 ÷ 16 = 0.59

Brand 3: $15.30 ÷ 18 = 0.85

Brand 4: $21.84 ÷ 24 = 0.91

Brand 5: $20.40 ÷ 30 = 0.68

Least cost per packet is of Brand 2

3 0
3 years ago
Read 2 more answers
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