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3 years ago

Annika's class raised $800 by selling $5 and $10 movie gift cards. The class

Mathematics

1 answer:

lesantik [10]3 years ago

4 0

Answer:

70 $5 movie gift cards and 45 $10 movie gift cards

Step-by-step explanation:

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Find the slope of the line that passes through the pair of points listed below.<br> (-2, -3), (6,5)

antoniya [11.8K]

Finding the slope using two points:

The formula for slope is

$\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

In this case...

$y_{2} =5\\y_{1} =-3\\x_{2} =6\\x_{1} =-2$

^^^Plug these numbers into the formula for slope...

$\frac{5-(-3)}{6 - (-2)}$

$\frac{8}{8}$

^^^This is your slope

Hope this helped!

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3 years ago

Manny made 4 pizzas to share among himself and 6 friends How much pizza will each person get? Well reread the question and ask y

Assoli18 [71]

....... shouldn't that be a question instead of an answer? Well, I guess it is what it is, and I understand it thx anyways. (=^\/^=)

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4 years ago

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1/2x + 5y- 10< 0 The point (4,y) is a solution for the inequality shown. What is the value for y.

finlep [7]

Subtract x on both sides the result you divide it by 5

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3 years ago

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I need help urgent plz someone help me solved this problem! Can someone plz help I’m giving you 10 points! I need help plz help

VMariaS [17]

Answer: a) 8.779 years

b) 8.664 years

<u>Step-by-step explanation:</u>

$A=P\bigg(1+\dfrac{r}{n}\bigg)^{nt}$

A: accumulated amount (balance)
P: principal amount (original/initial investment)
r: interest rate (convert to a decimal)
n: number of times compounded per year
t: number of years

Given: A = 1800, P = 900, r = 8% = 0.08, n = 3, t = unknown

$1800=900\bigg(1+\dfrac{0.08}{3}\bigg)^{3t}\\\\\\2=\bigg(1+\dfrac{0.08}{3}\bigg)^{3t}\\\\\\ln\ 2=ln \bigg(1+\dfrac{0.08}{3}\bigg)^{3t}\\\\\\ln\ 2=3t\ ln\bigg(1+\dfrac{0.08}{3}\bigg)\\\\\\\dfrac{ln\ 2}{3\ ln\bigg(1+\dfrac{0.08}{3}\bigg)}=t\\\\\\\large\boxed{8.779=t}$

$A=Pe^{rt}$

$1800=900e^{0.08t}\\\\\\2=e^{0.08t}\\\\\\ln\ 2=0.08t\\\\\\\dfrac{ln\ 2}{0.08}=t\\\\\\\large\boxed{8.664=t}$

4 0

3 years ago

4-inch by 6-inch what is the width of 15 inches for a ratio table

quester [9]

This is a ratio problem; the ratio of the length to width is constant (and therefore equal):

4 /6 = 15 / x

Now, with a ratio, we may do any allowable algebra operation: cross-multiply, invert both sides, multiply or divide both sides by the same amount, etc.

Let's cross-multiply:

4x = (15)(6)

x = 90/4

x = 22.5 in.

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3 years ago