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4 years ago

What is the unit rate of 9.60 for 4 pounds

Mathematics

1 answer:

leva [86]4 years ago

5 0

9.60 / 4 = 2.40 per lb

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Can someone help me.

gtnhenbr [62]

Answer:

$\large\boxed{x=\pm\sqrt{10}}$

Step-by-step explanation:

$x^2=10\Rightarrow x=\pm\sqrt{10}\\\\\text{because}\ (-\sqrt{10})^2=10\ \text{and}\ (\sqrt{10})^2=10.\\\\\text{used}\ (\sqrt{a})^2=a$

5 0

4 years ago

Write the expression as a single logarithm with a coefficient of 1.<br> 3 ln x − 8 ln y

viva [34]

Answer:

$\ln(\frac{x^3}{y^8})$

Step-by-step explanation:

$3 \ln(x)-8\ln(y)$ is the given.

The instructions is to write as a single logarithm.

Let's use the power rule first:

$\ln(x^3)-\ln(y^8)$

Now we see the minus between the natural logs so we can use the quotient rule:

$\ln(\frac{x^3}{y^8})$

3 0

3 years ago

I'm new to the app. Stumped on all of these

nekit [7.7K]

What are you stumped on?

3 0

3 years ago

write the slope intercept equation. the graph of f passes through (-6,4) and is perpendicular to the line that has an x-intercep

Nimfa-mama [501]

Answer:

y = $-\frac{1}{3} x$ + 2

Step-by-step explanation:

The slope of the line that has an x intercept of (2,0) and y-intercept of (0,-6) is:

Slope(s) = Change in y ÷ change in x

s = $\frac{0 - -6}{2 - 0}$ = 3

The slope of the perpendicular line to this line with slope of 3 has to have a slope of -1 ÷ 3 = $-\frac{1}{3}$

Reason: The product of slopes of lines perpendicular to each other have to be -1

So the slope of the perpendicular line that passes through (-6,4) is $-\frac{1}{3}$

As mentioned earlier, we derive a slope of a line by dividing the change in y by the change in x

Taking another point (x,y) on the line,

$-\frac{1}{3}$ = $\frac{y - 4}{x - -6}$

$-\frac{1}{3}$ = $\frac{y - 4}{x + 6}$

y - 4 = $-\frac{1}{3}$ x - 2

y = $-\frac{1}{3}$ x + 2

5 0

3 years ago

Given the following quadratic function what’s the value of a, B, and C?<br><br> f(x)= 3x^2 - 5x -12

s2008m [1.1K]

Answer:

Below.

Step-by-step explanation:

a = 3, b = -5 and c = -12.

6 0

3 years ago