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1 year ago

Urgent help algebra 2

Mathematics

1 answer:

Rudiy271 year ago

6 0

Slope-intercept you have right:
y=3/4x-7

Point slope form is:
y − y1 = m(x − x1)

so

y +7 = 3/4(x -0)

or

y + 7 = 3/4x

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Write a formula that will help james find the price per milliliter for each brand

navik [9.2K]

Answer:

$z=\frac{x}{y}$

Step-by-step explanation:

<u><em>The complete question is</em></u>

James has to buy juice for his class party. there are several brands of juice at the store, and each container is a different size and price. write a formula that will help James find the price per milliliter for each brand.

x=price of juice

y=number of milliliters in carton

z=price per milliliter

we know that

The price per milliliter for each brand, is the same that the unit rate

To find out the unit rate , divide the price of juice by the number of milliliters in carton

$z=\frac{x}{y}$

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2 years ago

Can you please help me. I think it is x=0 and x=3

stiks02 [169]

When the graph is constant, you have to look for when it draws a straight line.
Look at the x axis, since it asks for the x value.

Your answer is correct! When x = 0, to x = 3, the function is constant.

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2 years ago

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. Find the elevation of the pl

AfilCa [17]

Answer:

18 miles

Step-by-step explanation:

Let's call it's initial elevation x. Because it descends 3 miles, we now have x - 3. The question says it is now 15 miles above sea level, or x - 3 = 15, and adding 3 to both sides shows that x = 18 miles.

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2 years ago

Which set of ordered pairs does not represent a function? A. (7, 8), (-4, 4), (3, 8), (-7, -1) B.(-5, -3), (-1, -8), (-7, 0), (-

Mariana [72]

Answer:

Step-by-step explanation: 5

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3 years ago

Factor completely 3bx2 − 9x3 − b + 3x. (b − 3x)(3x2 − 1) (b + 3x)(3x2 + 1) (b + 3x)(3x2 − 1) Prime

Daniel [21]

$3bx^2-9x^3-b+3x=\boxed{3x^2}\cdot b-\boxed{3x^2}\cdot3x\fbox{-1}\cdot b\fbox{-1}\cdot (-3x)\\\\=\boxed{3x^2}(b-3x)\fbox{-1}(b-3x)=\boxed{(b-3x)(3x^2-1)}\\\\completely:\\use:a^2-b^2=(a-b)(a+b)\to3x^2-1=(x\sqrt3)^2-1^2=(x\sqrt3-1)(x\sqrt3+1)$
$therefore:\\3bx^2-9x^3-b+3x=(b-3x)(3x^2-1)\\=\underline{\underline{(b-3x)(x\sqrt3-1)(x\sqrt3+1)}}$

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2 years ago

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