Mathematics, 01.09.2019 13:30 Thisisdifinite

Need to be in on monday 22 may and im struggling

Answers: 2

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Answer from: luhmama

1 = 84
2 = 40
3 = 54
4 = 18
5 = 35
6 = 21
7 = 33
8 = 26
9 = 30
10 = 8
11 = 27
12= 28
13 = 21
14 = 13
15 = 10

( Task 2 ) Hope this helps :)

Answer from: karlrey4401

I will do 1-4 since there are a lot of questions and let me know if that helps you do the rest and I will help from there if that's okay :)

what we have to do is multiply the first equation by a x/x so that that fraction can be equivalent to the second one.. ( we will find the missing number) :)
Let's get started

1. 3/7= 36/?
The top is multiplied by 12 since 3×12=36
so multiply the bottom by 12 .. 7×12=84
84 is the missing number

2. 2/5=16/?
The top number is multiplied by 8 since 2×8=16
So multiply the bottom by 8 .. 5×8=40
40 is the missing number

3. 5/9=30/?
The top number is multiplied by 6 since 5×6=30
so multiply the bottom number by 6 .. 9×6= 54
54 is the missing number

4. 2/3= 12/?
The top number is multiplied by 6 since 2×6=12
So multiply the bottom by 6 .. 3×6=18
18 is the missing number

* this works the same if you top number is missing figure out what the bottom number is multiplied by and do the same to the top one..

Answer from: Quest

11.2

step-by-step explanation:

when doing tangent the tangent of the angle is equal to the opposite side from the angle over the adjacent side to the angle.

tan43 = x / 12

move 12 over by multiplying each side by 12

12tan43 = x

x = about 11.2

What is the value of x to the nearest tenth ? answers choices 12.9 11.2 0.1

Answer from: Quest

hello from mrbilldoesmath!

answer: (7x + 6y) ( 49x^2 - 42xy + 36y^2)

discussion:

in general, the factorization of a^3 + b^3 is

a^3 + b^ 3 = (a + b) ( a^2 - ab + b^2)

in our case note that 343 = 7^3 and 216 = 6^3 so the equation becomes:

343x^3 + 216y^3 = (7x)^3 + (6y)^3

if you think of a (above) as 7x and b as 6y the factorization becomes

343x^3 + 216y^3 =

((7x + 6y) ( (7x)^2 - 7x*6y + (6y)^2) =

(7x + 6y) ( 49x^2 - 42xy + 36y^2)

you,

mrb

(a + b) (a^2 - a b + b^2)

Factor the expression given below. wrote each factor as a polynomial in descending order. enter expo

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