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GuDViN [60]
3 years ago
7

Help me (I will give brainlist)

Mathematics
1 answer:
mel-nik [20]3 years ago
6 0
Ok I got 2,131 I hope that helps!
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Please help mee <br><br> help help
Damm [24]

Answer:

So, to 1 d.p. 7 is about 23% out of 30. (7 of 30=23%)

Step-by-step explanation:

7/30 x 100 =23.3333333333% or 70/3%.

6 0
2 years ago
Solve for X. Please solve all four. First person to do so will get brainliest.
natali 33 [55]

Answer:

x=-12

x=10

x=-8

x=-5

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%284%20%2B%206i%29%20%7B%7D%5E%7B2%7D%20" id="TexFormula1" title="(4 + 6i) {}^{2} " alt="(4 +
34kurt

Answer:

36i^{2}+48i+16

Step-by-step explanation:

(4+6i)^{2} is essentially (4+6i)(4+6i) (you are squaring (4+6i), so multiplying it by itself), so to simplify, you would need to distribute.

A good way to go about this is using the F.O.I.L. method, multiplying the First numbers in the parentheses, then the Outers, then Inners, and finally, Lasts.

(4+6i)(4+6i) >> (4+6i)(4+6i) >> (4+6i)(4+6i) >> (4+6i)(4+6i)

((4*4)+(4*6i)+(6i*4)(6i*6i))

After doing so, you would end up with 16+24i+24i+36i^{2}, and after combining like terms, 16+48i+36i^{2}.

To write the expression in standard form, though, just order the terms from highest to lowest power!

5 0
2 years ago
A quickie. If n identical dice are rolled, number of possible outcomes are?
nata0808 [166]
In rolling one die, there are 6 possible outcomes because each die has 4 faces. The number of outcomes when rolling n dice is equal to 6^n. By this, the number of outcomes when 2 dice are rolled is 36, 216 for 3 dice, and so on. 
4 0
3 years ago
Somebody please help quick! solve for x
ololo11 [35]

Answer:

x = 8

Step-by-step explanation:

51° = 4x + 19

32° = 4x

8 = x

5 0
2 years ago
Read 2 more answers
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