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lana66690 [7]
4 years ago
12

Hii pls answer it guys plz help me​

Mathematics
1 answer:
Agata [3.3K]4 years ago
6 0

Answer:

7) 7/2 (its the only number between 3 and 4)

8) 7/10 ( its the only number between 3/5 and 4/5)

9) 5/8 (its the only number between 1/2 and 3/4)

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Is negative nine plus n equals n minus one identity or no solution
Leno4ka [110]

Answer:

No solution

Step-by-step explanation:

-9 + n = n - 1

-9 +1      = n -n

-8 = 0

No solution here if the proper rules of equation are correctly applied

4 0
3 years ago
Anna finishes 5 homework problems in 15 minutes. Kailey finishes 10
Kryger [21]

Answer:

no, they are not working at the same rate.

Step-by-step explanation:

Annah takes only 3 minutes to complete 1 homework while Kailey takes 6 minutes to complete 1 homework

3 0
3 years ago
Read 2 more answers
Please someone help me...​
Savatey [412]

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

to get (\cos^3A-\sin^3A)(\cos^3A+\sin^3A)

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

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

also, \sin^2\theta+\cos^2\theta=1

to get (\cos A-\sin A)(1+\sin A\cos A)(\cos A+ \sin A)(1-\sin A\cos A)

then again use the first identity In both pairs, i.e.

(\cos A-\sin A)(\cos A+ \sin A) \cdot (1+\sin A\cos A)(1-\sin A\cos A)

to get \cos 2A (1-\sin^2A\cos^2A)

multiply and divide by 4 to get the RHS.

because, \sin(2A)= 2\sin A \cos A

squaring both sides, \sin^2 (2A)=4\sin^2A\cos^2A

3 0
3 years ago
Read 2 more answers
Brainly if correct free brainly if you ask me.
marta [7]

x = 3/32

Option C is the right answer

8 0
3 years ago
Read 2 more answers
What is the absolute value of -4/25
Y_Kistochka [10]

The absolute value of x: |x|.

|x| = x if x ≥ 0    <em>examples: |5| = 5; |0| = 0; |8.34| = 8.34; |1/2| = 1/2</em>

|x| = -x if x < 0   <em>examples: |-5| = -(-5) = 5; |-8| = -(-8) = 8; |-1.2| = 1.2;</em>

<em> |-3/7| = 3/7</em>

<em>Therefore</em>

<em>\left|-\dfrac{4}{25}\right|=\dfrac{4}{25}</em>

6 0
4 years ago
Read 2 more answers
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