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3 years ago

13

Write an equation in standard form with an x-intercept of 5 and a y-intercept of -4

1 answer:

Burka [1]3 years ago

3 0

y= 4/5x -4 Is a equation in standard form with an x-intercept of 5 and a y-intercept of -4.

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If a binomial event has a probability of success of 0.4, how many successes would you expect out of 6000 trials?

Feliz [49]

You should expect about 2400 successes because as a percent .4=40%

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3 years ago

Read 2 more answers

A jacket is advertised to be 85% off the original price. If the sale price is $102 what is the original price ?

Jobisdone [24]

The answer would prob around $188.70 because .85x102=86.7 so add that to 102 and u get 188.70 but I'm prob wrong and I have a test on this tomorrow

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3 years ago

A collection of half dollars and nickles is worth $13.40. there are 34 coins in all.

pochemuha

There are 8 nickels and 26 half dollars.
26/2=13
8*5= 40

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3 years ago

the length of a rectangle is 2 inches less than twice its width. If the perimeter of the rectangle is 74 inches, what is the are

schepotkina [342]

If the width is w and the length is l, then 2w-2=l and 2w+2l=72 (using the perimeter equation). Plugging 2w-2 in for l, we get 2w+(2w-2)*2=72 and 6w-4=72. Adding 4 to both sides, we get 6w=76. After that, we divide both sides by 6 to get 74/6=w. Since l=2w-2=136/6, we get (136/6)(74/6)=656.75=area

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3 years ago

What is the slope of the line on the graph?

Phoenix [80]

Answer:

$m=-2$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Algebra I</u>

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from graph.</em>

Point (-3, 6)

Point (3, -6)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>

Substitute [SF]: $m=\frac{-6-6}{3+3}$
Subtract/Add: $m=\frac{-12}{6}$
Divide: $m=-2$

6 0

3 years ago