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3 years ago

Determine the value of X

Mathematics

1 answer:

Airida [17]3 years ago

3 0

Answer:

33=x

Step-by-step explanation:

180-81 / 3 = 33

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Rewrite the expression as a sum of terms, where each term is in the form k\cdot a^nk⋅a

muminat

Answer:

$2a^{\frac{5}{2}}-4a^{-\frac{1}{2}}$

Step-by-step explanation:

It looks like you want to expand the expression ...

$\sqrt{a}\left(2a^2 -\dfrac{4}{a}\right)$

Use the distributive property and rules of exponents.

$=2a^{(\frac{1}{2}+2)}-4a^{(\frac{1}{2}-1)}\\\\=\boxed{2a^{\frac{5}{2}}-4a^{-\frac{1}{2}}}$

_____

The relevant rules of exponents are ...

√a = a^(1/2)

1/a = a^-1

(a^b)(a^c) = a^(b+c)

8 0

3 years ago

In a triangle the ratio of angles is 2:3:4 find the angles

Dmitry [639]

Answer:

40,60,80

Step-by-step explanation:

2x+3x×4x=180

9x=180

x=20

2x=40

3x=60

4x=80

6 0

3 years ago

GEOMETRY NEED HELP ASAP WILL ASSIGN BRAINLIEST!!!

faust18 [17]

Answer 
31.12 in

Explanation 
To get the length required, lets first find angle mF,
mF = 180 – (43 + 62) =75o
Now we can use the sin rule to find length DE.
a/sin⁡A =b/sin⁡B Where a and b are the length opposite to angle A and B respectively.
DE/sin75=22/sin⁡43
DE=(22 sin⁡75)/sin⁡43
DE=31.12 in

7 0

3 years ago

Read 2 more answers

Find the square root by long division of 2304

Arturiano [62]

Answer:

Step-by-step explanation:

the square root of 2304 is 48

48^2=2304

8 0

3 years ago

Which of the following is the solution to the inequality -2x-4 ≤ 11