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PolarNik [594]
3 years ago
15

Does anybody know what to do here?

Mathematics
1 answer:
Snezhnost [94]3 years ago
6 0

Answer:

m=6

Step-by-step explanation:

38+8m+4=90

42+8m=90

8m=90-42

8m=48

m=6

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It costs $3 for a pack of 20 pencils. Find the cost per pencil.
Cerrena [4.2K]

Answer:

20/3

Step-by-step explanation:

7 0
3 years ago
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Finds the slope of the line
Zinaida [17]

Answer:

4

Step-by-step explanation:

Slope=rise over run.

From bottom marked point (-3, -3) to the other (-2, 1)...

Rise= 4

Run= 1

4/1=4

Therefore, the slope is 4.

Hope this helps!! Have an amazing day ❤

6 0
3 years ago
Joe has 5 more than twice as many calculators as John. Write an algebraic expression. *
yarga [219]

Answer:

B. 5 + 2p

Step-by-step explanation:

<u>Let's simplify the problem:</u>

Joe has 5 + more than 2(P) as many calculators as John.

*We'll be using Addition and Multiplication operations.

If Joe has 5 more than 2 times the amount of calculators, the algebraic expression will be:

5 + 2p

p represents John's amount of calculators.

5 + (5 more than) 2(P) Twice the amount of calculators John has.

7 0
2 years ago
The number of views on an interesting video after it's uploaded is represented by the following table:
defon

Answer:

The model for V(t) ,the number of views, t ,months after it's uploaded, best fits the data is ,V(t)=50(6.25)^t

Step-by-step explanation:

Time (months)         Views

0                                  50

2                                  313

4                                  1950

6                                  12,210

8                                  76,300

10                                 476,800

(x_1,y_1)=(0,50)\\(x_2,y_2)=(2,313)\\(x_3,y_3)=(4,1950)

Slope = \frac{y_2-y_1}{x_2-x_1}

Slope = \frac{313-50}{2-0}

Slope =131.5

Slope = \frac{y_3-y_2}{x_3-x_2}

Slope = \frac{1950-313}{4-2}

Slope =818.5

Since the slope is not same . So, it is not a linear relationship

\frac{y_2}{y_1}=\frac{313}{50}=6.25\\\frac{y_3}{y_2}=\frac{1950}{313}=6.25

Since the ratio between the consecutive outputs is same so, it is exponential relationship.

Formula : y=ab^t

Where a is the initial value = 50

b = rate of change = 6.25

The model for V(t) ,the number of views, t ,months after it's uploaded, best fits the data

So,V(t)=50(6.25)^t

5 0
3 years ago
Help me please, I’ll mark brainliest
Lesechka [4]
I know that
20. 15
21. 18

Good luck though I remember doing it
8 0
3 years ago
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