1 year ago

Helppppp pleaseeeee!!

Mathematics

1 answer:

vampirchik [111]1 year ago

7 0

Answer:

to change a repeating decimal to fraction just write the number in the numerator part and as many 9 as the number in the denominator.

Step-by-step explanation:

Hope it helps.

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A/ab-bsquare + b/ab-asquare?

lord [1]

Answer:

$\dfrac{(a+b)}{ab}$

Step-by-step explanation:

The given expression is :

$\dfrac{a}{ab-b^2}+\dfrac{b}{ab-a^2}$

It can be solved as follows :

$\dfrac{a}{ab-b^2}+\dfrac{b}{ab-a^2}=\dfrac{a}{b(a-b)}+\dfrac{b}{a(b-a)}\\\\=\dfrac{a}{b(a-b)}+\dfrac{b}{-a(-b+a)}\\\\=\dfrac{1}{a-b}(\dfrac{a}{b}-\dfrac{b}{a})\\\\=\dfrac{a^2-b^2}{ab(a-b)}\\\\=\dfrac{(a-b)(a+b)}{ab(a-b)}\\\\=\dfrac{(a+b)}{ab}$

So, the solution of the given expression is equal to $\dfrac{(a+b)}{ab}$ .

7 0

3 years ago

Students are painting a mural.So far 1/4 is blue, 2/8 are red and 3/12 are blue. Use fraction stips to show how much of the mura

Aleonysh [2.5K]

Answer: 9/12

Step-by-step explanation:

1. 1/4+2/8 (common denominators)

2/8+2/8=4/8 or 1/2

2. 1/2+3/12 (common denominators)

6/12+3/12= 9/12

3 0

3 years ago

PLZ HELP WILL GIVE BRAINLIEST!!

velikii [3]

I think the two datas have somewhat similar distribution.

5 0

3 years ago

Read 2 more answers

What is the 40th term of the sequence below? 14 9 4 -1

pshichka [43]

D = T2 - T1
d = 9 - 14
d = - 5

T40 = 14 + 39(-5)
= 14 - 195
= - 181

3 0

3 years ago

ABCD is a parallelogram. AE ⊥ DC, A[] ⊥ BC, AD = 10, AB = 15, A[] = 12. Find the length of AE.

kaheart [24]

Answer:

AE= 8

Step-by-step explanation:

The parallelogram forms two right triangles and since it's a parallelogram the opposite angles are congruent meaning you can say the triangles are similar through AA~. The ratio is 2:3 and FA =12 making AE= 8

8 0

3 years ago