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lesantik [10]
3 years ago
8

Help! Best/Correct answer = Brainiest.

Mathematics
1 answer:
zubka84 [21]3 years ago
5 0

Answer:

Step-by-step explanation:

looking at the graph,

when x = 3, y = -10

-10 = 2(3)^2 + 3b + 8

-10 = 18 + 3b + 8

-10 = 26 + 3b

3b = -36

b = -36/3

b = -12

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PLEASE HELP ME!!!!!<br> WILL NAME BRANLIEST!!
marin [14]

Answer:

Step-by-step explanation:

to find slope: the formula is:

(y2-y1) / (x2-x1)

in this case it is:

(-9-(-2)) / (-10-(-2))

-7/-8

and thats the slope (that was for question one, and also an example, now do the same for questions 2, 3 and 4!!

hope thsi helps!!

6 0
3 years ago
Will mark brainlist! Andrea spent $2 to make 10 prints from a photo both. Later, she spent $6 to make 30 prints. Did she get a b
notka56 [123]

Answer:

She got an equally good deal both times

Step-by-step explanation:

\frac{2}{20} can be simplified to make \frac{1}{5}

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3 0
3 years ago
Complete the table below by calculating the commission and adding it to the price of the stock.
asambeis [7]

We calculate the commission and adding it to the price of the stock to get total cost.

No       Price              Total Commission                         Total cost

100    $26.25         0.06 x $2,625 = $157.50     2625 + 157.50 =2782.5

100    $19.32         0.06 x $1,932 = $115.92         1932 + 115.92 =2047.92

40     $9.77          0.06 x $390.80 = $23.45      390.80 + 23.45= 414.25

200   $5.39          0.06 x $1,078 = $64.68        1,078 + 64.68 = 1142.68      

100    $33.44       0.06 x $3,344 = $200.64      3,344 + 200.64 = 3544.64


3 0
4 years ago
Read 2 more answers
Arrange the summation expressions in increasing order of their values.
dolphi86 [110]
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∑ 5*  6^(i-1) = 5 + 30 = 35
∑ 5^(i-1) = 1 + 5 + 25 + 125 = 156
Answer:
∑ (i=1, 2) 5 * 6^(i-1) < ∑ (i=1, 4) 5^(i-1) < ∑ (i=1, 4) 4 * 5^(i-1) <
< ∑ (i=1, 5) 3 * 4^(i-1)

5 0
3 years ago
Read 2 more answers
Which of these are statistical questions that you could ask to gather data on the types of transportation to school?
Pavlova-9 [17]

Answer:

A statistical question is a question that can be answered by collecting data that vary. For example, “How old am I?” is not a statistical question, but “How old are the students in my school?” is a statistical question.

The closest ones are - B and E

7 0
3 years ago
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