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Advocard [28]
3 years ago
10

after selling a dozen copies of the daily newspaper, a newsstand had fewer than 79 copies left. how many copies did the newsstan

f have at the beginning of the day
Mathematics
1 answer:
Naya [18.7K]3 years ago
5 0
90
-12. The newsstand had 90 copies at the beginning of the day
===
78
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Please someone help me with this
shtirl [24]

Answer:

2,-1.5

Step-by-step explanation:

To find the midpoint of a line segment, take the average of the x coordinates and y coordinates of the two points that make it up.

\frac{2+2}{2} ,\frac{4+(-7)}{2}

=\frac{4}{2} , \frac{-3}{2}\frac{4}{2} , \frac{-3}{2}

=2,-1.5

7 0
3 years ago
Read 2 more answers
Find the x-intercepts, use the zero product property, r(r+7)=0
UkoKoshka [18]

9514 1404 393

Answer:

  r = 0

  r = -7

Step-by-step explanation:

There is no x in the equation, hence there are no x-intercepts.

__

If we assume you want the values of r that satisfy the equation, the zero product property tells you they will be the values that make the factors zero.

The factors are r and (r+7).

The factor r is zero when ...

  r = 0

The factor (r+7) is zero when ...

  r +7 = 0   ⇒   r = -7

The "x-intercepts" are r=0 and r=-7.

4 0
3 years ago
Definition: The ___ of an event happening is expressed as a fraction between 0 and 1.
aliina [53]

Definition: The <u>probability</u> of an event happening is expressed as a fraction between 0 and 1.

Example: The <u>chance</u> that you roll a 4 on a die is 1

3 0
3 years ago
A car is traveling at a constant velocity. After two hours the car has traveled 90 miles. After five hours the car has traveled
Crazy boy [7]
After 2 hrs, the car has traveled 90 miles....that means the car travels 90/2 = 45 miles per hr. After 7 hrs...the car has traveled 7 * 45 = 315 miles
8 0
3 years ago
Select the correct answer.
Genrish500 [490]
B 16 miles an hour

Hope this helps
3 0
2 years ago
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