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Oksana_A [137]
2 years ago
5

Help please I’m going to be in big trouble

Mathematics
2 answers:
RideAnS [48]2 years ago
7 0

Answer:

A.

Step-by-step explanation:

See attachment for graph :)

I used the Desmos Graphing Calc, you can use whichever you feel comfortable with. All you have to do is plug in your equations (see attachment) and see which lines come out parallel :)

shepuryov [24]2 years ago
6 0
The answer is b I believe if not I’m so sorry
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How long does a car traveling at 70 mph take to travel 88 miles, in hours
dybincka [34]
So,

Obviously, the car will travel 70 miles in one hour.  So after one hour, the car will have traveled 70 miles.  That leaves 18 miles.

The time it will take for the car to go another 18 miles will be 18 divided by 70.
\frac{18}{70}

Simplify.
\frac{2*3*3}{2*5*7}
\frac{3*3}{5*7}
\frac{9}{35}

Divide.
≈ 0.25714

So a car traveling at 70 mph will take approximately 1.25714 hours or 1.26 hours to travel 88 miles.
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3 years ago
What are the terms in the expression 7x+4y+1
mixas84 [53]
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7 0
3 years ago
Read 2 more answers
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BabaBlast [244]
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hope this helps :)
7 0
3 years ago
On a standardized exam, the scores are normally distributed with a mean of 300 and a standard deviation of 50. Find the z-score
Radda [10]

Answer:

z = -3

Step-by-step explanation:

<u>Use the formula for z-score</u>

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This tells us that the person's score of 150 puts him/her 3 standard deviations below the mean of 300.

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2 years ago
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Andrej [43]
A math expression is anything where you take one or more numbers and add them, subtract them, multiply, divide, etc etc

For example, 2+3 is a math expression

To make it an algebraic expression, we replace one of the numbers with a variable. Often this is the letter x. So let's say we replace the 2 with x. That would have the expression turn into x+3. What we're saying is "some number plus 3"

Normally 2+3 = 5 which is a true equation. Replace the 2 with x and we have x+3 = 5. So we're saying "some number plus 3 is 5". You can guess and check to find that the "some number" has to be 2

--------------------------------------

In summary, the expression example was x+3 and the equation was x+3 = 5

Note: an equation is simply two expressions set equal to each other. 
3 0
3 years ago
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