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PSYCHO15rus [73]
2 years ago
15

HELP ME PLZ!!!!! Which are two ways to represent the slope, m, of the line shown?

Mathematics
1 answer:
FromTheMoon [43]2 years ago
3 0
2/8 because 2 down and 8 across
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Distribute and simplify <br> √3 (-2+√20)
LiRa [457]

Answer:

<h2>-2√3 + 2√15</h2>

Step-by-step explanation:

√3 (-2+√20) = √3×(-2) + √3×√20

                     = -2√3 + √3×√(4×5)

                     = -2√3 + √3×√4×√5

                     = -2√3 + √3×2×√5

                     = -2√3 + 2√15

5 0
3 years ago
What does this mean f(5)=-10
Ghella [55]
You have to find f. F= -2
8 0
3 years ago
the ratio of blue to marbles to red marbles in a box is 2 to 1 . If there are 12 blue marbles in the box then how many blue &amp
inessss [21]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ There are a total of 18 marbles.

In order to get 18, we have the ratio 2:1. 2 represents the blue marbles and 1 represents the red marbles. We now have 12 blue marbles in a box. 2 x 6 = 12 so we are multiplying by 6. What we do to one number, we do to the other so 1 x 6 = 6 . Add 12 + 6 = 18

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

6 0
3 years ago
Mary sent out invitations to her wedding last week. The invitations were heavy, so put more than just one stamp on each envelope
Aleksandr [31]

Answer:

she used 3 on each

Step-by-step explanation:

255/85=3

8 0
3 years ago
Lindsay is creating a bridge out of dried pasta and glue. In her plans, she sketches the graph to determine the lengths of the n
alexgriva [62]
From the graph shown it can be seen that the bridge is represented by a parabola with vertex of (5, 8) and roots of 1 and 9.

Recall that the vertex form of the equation of a parabola with vertex (h, k) is given by
y=a(x-h)^2+k

Thus, the equation of the given graph in vertex form is given by
y=a(x-5)^2+8

Also, recall that the equation of a parabola with roots, p and q, is given by
y=a(x-p)(x-q)

Thus the equation of the given graph can be given by
y=a(x-1)(x-9)

To get the value of a, we equate both equations and solve as follows:
a(x-5)^2+8=a(x-1)(x-9) \\  \\ a(x^2-10x+25)+8=a(x^2-10x+9) \\  \\ ax^2-10ax+25a+8=ax^2-10ax+9a \\  \\ 25a-9a=-8 \\  \\ 16a=-8 \\  \\ a=- \frac{8}{16} =- \frac{1}{2}

Therefore, the <span>function that Lindsay used to create her design is
f(x)=-0.5(x-5)^2+8
</span>
4 0
3 years ago
Read 2 more answers
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