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marusya05 [52]
3 years ago
15

Number #7 please I need help on it

Mathematics
2 answers:
Rom4ik [11]3 years ago
7 0
Answer: 104$

Explanation:

She is paid 7$ for each of the first 7 demo

And she is paid 11$ for each demo over the 7 demo

But she did 12 demo, which mean the first 7 demo she got paid 7$ each and for the last 5 demo she got paid 11$ for each demo.

(7 • 7) + (11 • 5)
= 49 + 55
= 104$
barxatty [35]3 years ago
3 0
I know someone already answered this but my little sister also had this same question! The answer is 104$ :)
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In a ten pin bowling the highest possible score in a single game is 300. At one point in the season, John had an average score o
Sindrei [870]

Answer:

John need to get 293 in his next game to bring his average up to 183.

Step-by-step explanation:

John starts with N games played and averaging 177 points per game.

In game N+1, John scored 199 points.

\frac{177N + 199}{N+1}=178\\177N+199=178N+178\\N=21\\

So, John has now played (N+1) = 22 games.

We need to know what score John needs in game 23 to bring his average to 183.

\frac{177*21 + 199+Y}{23}=183\\3916+Y=4209\\Y=293\\

8 0
2 years ago
Determine whether each figure creates the conditions to form a unique triangle, more than one triangle, or no triangle.
frutty [35]

Answer:

im like 95% sure its a unique triangle

Step-by-step explanation:

8 0
2 years ago
PLEASE ANSWER FAST
Veseljchak [2.6K]

Answer:

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Read 2 more answers
Simplify -3y+2x-5y-7x
Sphinxa [80]
<h3><em><u>Simplify -3y+2x-5y-7x is:</u></em></h3><h3>-8y - 5x</h3>

<em><u>Solution:</u></em>

<em><u>Given that, we have to simplify</u></em>

-3y + 2x-5y-7x

We can simplify the above expression by combining the like terms

Like terms are terms that has same variable ( with same exponent) with same or different coefficient

From given,

-3y + 2x-5y-7x

Here, like terms are -3y and -5y

And 2x and -7x

Group the like terms

-3y-5y+2x-7x

Combine the like terms

-8y -5x

Thus the given expression is simplified

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3 years ago
What value should replace the "?" to make the equations parallel?
Otrada [13]
The same slope would make the equations parallel. Therefore 5/3 would make them parallel.
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3 years ago
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