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dsp73
3 years ago
7

Multiply then simplify radicals 3^√9 × 3^√-24 <-- are both cube root √8y^5 × √40y^2

Mathematics
1 answer:
Gemiola [76]3 years ago
5 0

Step-by-step explanation:

∛9 × ∛-24

∛-216

∛(-6)³

-6

√(8y⁵) √(40y²)

√(320y⁷)

√(64y⁶ × 5y)

8y³√(5y)

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Can someone match these up?
Anuta_ua [19.1K]

Answer:

(-7)(-1.2) = 8.4

(-2.5)(-2) = 5

(2.5)(-2) = -5

(7)(-1.2) = -8.4

Step-by-step explanation:

Multiplication.

4 0
3 years ago
The drawing plan for an art studio shows a rectangle that is 15.2 inches by 8 inches. The scale in the plan is 4 in.: 5 ft. Find
Kamila [148]

Answer:

Length: 19 feet

Width: 10 feet

Area: 190 feetx^{2}

Step-by-step explanation:

This is a question about ratio.

Length: let x be the actual length.

15.2 : x = 4 : 60

x = 19

Width: let y be the actual width.

8 : y = 4 : 60

y = 10

Area: A = xy

19 * 10 = 190

3 0
3 years ago
eric has a riddle: " i am thinking of a fraction that is equivalent to 2/5 and the numerator is 18 less than the denominator." w
dezoksy [38]

Answer:

12/30

Step-by-step explanation:

So we know that the denominator-numerator=18

And we also know that it's equal to 4/10 or 2/5.

Soooooooooooooo the most easiest is just to trial and error: 12/30

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5 0
3 years ago
Help,please, thank you!
guapka [62]

Answer:

x=64°

Step-by-step explanation:

x=180-90-26 (angles on a str line)

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6 0
3 years ago
Read 2 more answers
For the following exercises, evaluate the expressions, given functions f, g, and h:
sertanlavr [38]

Answer:

- 16

Step-by-step explanation:

Evaluate f(2) by substituting x = 2 into f(x) , that is

f(2) = 3(2) - 3 = 6 - 3 = 3

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Thus

4f(2) - 4g(- 1)

= 4(3) - 4(7)

= 12 - 28

= - 16

7 0
3 years ago
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