3 years ago

Which of the following is the slope of the line A. -3 B. 1/3 C. -1/3 D. 3

Mathematics

1 answer:

Crazy boy [7]3 years ago

6 0

Ask if explanation needed :)

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For a line with the equation y=2/3x−4, the slope is:

statuscvo [17]

Answer:

The answer is B. 2/3 because y=mx+b mx us always the slope and b is the y intercept

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3 years ago

Round 0.172 to the nearest hundredth.

aleksandr82 [10.1K]

It is <span>Round 0.172 to the nearest hundredth.</span>

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3 years ago

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I need help please.

makkiz [27]

Answer:

see explanation

Step-by-step explanation:

Using the rules of radicals/ exponents

$a^{m}$ × $a^{n}$ = $a^{(m+n)}$

$a^{\frac{m}{n} }$ ⇔ $\sqrt[n]{a^{m} }$

Simplifying each term

7 $\sqrt{x^{3} }$ = 7 $x^{\frac{3}{2} }$

x $\sqrt{9x}$

= x × $\sqrt{9}$ × $\sqrt{x}$

= x × 3 × $x^{\frac{1}{2} }$

= 3 × $x^{(1+\frac{1}{2}) }$

= 3 $x^{\frac{3}{2} }$

Subtracting the 2 simplified like terms, that is

7 $x^{\frac{3}{2} }$ - 3 $x^{\frac{3}{2} }$

= 4 $x^{\frac{3}{2} }$ ← return to radical form

= 4 $\sqrt{x^{3} }$

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3 years ago

(2a^(3))^(-3)<br> --------<br> (3b(-2))

Andrei [34K]

Hello,

$\dfrac{(2a^{3})^{-3}}{3b*(-2)}=-\dfrac{1}{(2a^3)^3*6b}=-\dfrac{1}{48a^9b}$

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3 years ago

Jess says that two of the three points below are on a line through the origin.

Marrrta [24]

Answer:

(3, 8) and (9, 24) lie on the same line through the origin.

because (9, 24) is the result of dilatation of (3, 8) with scale factor 3.

(6, 21) is not the result, because 21 ≠ 2×8, even 6 = 2×3

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3 years ago

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