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Verdich [7]
1 year ago
8

Write an algebraic expression that represent the sum of 8 and two-third of x?

Mathematics
1 answer:
lesantik [10]1 year ago
3 0

We have to sum 8 and two-third of x, so we must multiply x by 2/3 and sum it with 8,

thus, the expression is

\frac{2}{3}x+8

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Prove this qns plzz ​
artcher [175]

Answer:

L.H.S.

= (cos5a.sin2a-cos4a.sin3a)/ (sin5a.sin2a-cos4a.cos3a)

Multiply numerator and denominator by 2.

= 2(cos5a.sin2a - cos4a.sin3a) / 2(sin5a.sin2a - cos4a.cos3a)

= (2cos5a.sin2a - 2cos4a.sin3a)/

(2sin5a.sin2a - 2cos4a.cos3a) = [sin(5a+2a)-sin(5a-2a)-sin(4a+3a)

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6 0
2 years ago
Read 2 more answers
Question 7 of 10 What is the sum of the first five terms of a geometric series with a1 = 10 and r = 1/5?​
enot [183]

Answer:

12.496

Step-by-step explanation:

\text{Sum}=\frac{a*(1-r^n)}{1-r}\\\text{Here a=10, r=1/5, plugging them in the above formula we get}\\\text{Sum}=\frac{10*(1-(1/5)^5)}{1-(1/5)}\\\text{Sum}=\frac{1562}{125}=12.496

5 0
3 years ago
Can anyone help me asap plzz.Solve the inequality. (a + 5.7 > –2.3) (A)a > 3.4 (B)a > 8 (C)a > –3.4 (D)a > –8
Eduardwww [97]

Answer:

Solve the inequality. a + 5.7 > –2.3

(A)a > 3.4

(B)a > 8

(C)a > –3.4

<u>(D)a > –8</u>

Step-by-step explanation:

a+5.7>-2.3\\-5.7    \\a>-8

8 0
2 years ago
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