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wel
3 years ago
15

Can someone help me quickly!

Mathematics
1 answer:
coldgirl [10]3 years ago
8 0

1. 4 and 6 gifts

2. 4 students

3. 23 students

4. The 3rd / center bar

5. 70 and 79

6. 10 students

7. 19 students

8. 4th bar

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X² + 4x + 3 = 0<br><br> Solutions of x?
sergey [27]
Factors of 3 that add up to 4:
(x + 3)(x + 1) 

Set them to 0 and solve for x

<span>x = -3 </span>

<span>x = -1</span>
8 0
3 years ago
Pls help give u brainlist
Elenna [48]

Answer:

The rate of change is \frac{7}{4} or 1.75. That shows that the cost per video game is $1.75

Step-by-step explanation:

The change in y over change of x or slope can be calculated using the equation:

m=\frac{y_{2} -y_{1} }{x_{2}-x_{1}  } so take the last two points: (10, 25) and (15, 33.75).

33.75-25=8.75

15-10=5

8.75/5=<u>1.75</u><u> </u><u>(7/4)</u>

x=video games

y=total cost

Since slope is change in y (cost) per change of x (video games), the answer is:

1.75 cost per video game

8 0
2 years ago
What is 47/15 rounded to the nearest hundredth?
inessss [21]

Answer:4

Step-by-step explanation:

It’s would be 4 because 47/15=3.23333 and because you said to the nearest hundred than it would be rounded to 4

7 0
3 years ago
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Two linear equations are given below.
gladu [14]

Answer: You can't answer this, but here are some guidelines

Step-by-step explanation:

I would love to answer this question (coming from someone who has already completed algebra keystones) but I need to know what the linear equations are before I can. If the functions are reciprocals of one another (the slope is the opposite and the fraction is switched) it is a perpendicular line which means one solution.  If the slope is the same but the intercept is different (using y=mx+b) so if b is different but m is the same they are parallel and there is no solution. If they are the same line (same equation) there is infinite solutions. If this doesn't help I would suggest finding graph paper and trying it out and seeing the intersection points.

5 0
3 years ago
at a local green market, Debra bought 5 ounces of chinese long beans for $13.55. at that rate , how much would she pay for 8 oun
kumpel [21]
In my opinion I think that you have to multiply 13.55 by 8 ounces to find how much she needs to pay.
5 0
3 years ago
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