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sp2606 [1]
2 years ago
8

What is the range of the function

rt[3]{x+8}" alt="y=\sqrt[3]{x+8}" align="absmiddle" class="latex-formula">?
A. -∞ < y < ∞

B. -8 < y < ∞

C. 0 ≤ y < ∞

D. 2 ≤ y < ∞

Mathematics
1 answer:
Irina-Kira [14]2 years ago
8 0

Answer:

-∞ < y ∞

The range is all real numbers.

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Plz help with these.
kirill115 [55]

Answer:

5. a ( x + y^{2} + z )

6. 2a ( x + y + z)

7. 4 ( x +4y)

8. -5 ( x + y )

9. 7a ( a + b)

10. -2 ( x + 2y + 3z)

11. bx ( a + y)

12. -x (x^{2}  + x + 1)

this took long but i hope the answers are correct :)

6 0
3 years ago
I need the answers to 17 and 18 plz
Fantom [35]

Answer:

<u>17. BC is 13 √ 2 or 18.38 units. </u>

<u>18. x = 7.</u>

Step-by-step explanation:

1. Let's solve the question 17.

If AC = 26, find BC.

AC is the hypotenuse of the Δ ABC and let's recall that the sides of an square are equal, thus BC = AB = CD = AD

For finding BC , we will use Pythagorean theorem:

Hypotenuse ² = Side ₁ ² + Side₂ ²

Length of Side = x

26 ² = x ² + x ² (BC = AB in a square)

676 = 2x²

338 = x² (Dividing by 2)

x = √ 169 * 2

x = 13 √ 2

BC = 13 √ 2 = 18.38

<u>BC is 13 √ 2 or 18.38 units. </u>

2. Let's solve question 18.

If ∠ ACB = (11x - 32) °, find the value of x.

Recall that a square has four right angles (90 °), thus:

∠ BCD = 90°

But in this case, we're asked to find ∠ ACB , that  is formed by the line AC that intersects C in two equal angles : ∠ ACB and ∠ ACD, thus:

∠ ACB and ∠ ACD = 45°

Then, let's find the value of x:

11x - 32 = 45

11x = 45 + 32 (Adding 32 to both sides)

11x = 77

x = 77/11 (Dividing by 11 at both sides)

<u>x = 7</u>

4 0
4 years ago
A. Tape diagram A
Serjik [45]

Answer:

x=6

Step-by-step explanation:

7 0
3 years ago
Please please help me out with this problem
Hatshy [7]

Answer:

y = 3x - 4

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, - 4) and (x₂, y₂ ) = (2, 2) ← 2 points on the line

m = \frac{2+4}{2-0} = \frac{6}{2} = 3

Note the line crosses the y- axis at (0, - 4) ⇒ c = - 4

y = 3x - 4 ← equation of line

6 0
4 years ago
Multiply. 0.72*10^2=
velikii [3]

Answer: The Answer is 72 or 7.2x10^1

This is due to 10^2 equaling 100. 100x0.72 is 72 bec you are moving the decimal point 2 to the right.

8 0
3 years ago
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