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Anton [14]
3 years ago
14

The frequency table shows the number of tires a tire shop repaired over a 30 day period. Using the frequency table, find the ave

rage number of tires repaired per day. (Round to the nearest tenth.) A) 4.2 B) 4.3 C) 7.0 D) 7.2
Mathematics
1 answer:
dexar [7]3 years ago
5 0
B)4.3........................................
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Solution to the system of equation -6x+y=-3 and 7x-y=3​
djverab [1.8K]

Answer:

X = 0

Y = -3

Step-by-step explanation:

In this situation you would choose elimination.

-6x+y=-3

7x-y=3

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

x = 0

plug back in to find y

(-6)(0) + y = -3

0 + y = -3

y = -3

plug in to other equation for double check

7(0) - (-3) = 3

0 + 3 = 3

3 = 3

Hope this helps

3 0
3 years ago
In a championship basketball game, Paula Zimmerman scored twice as many points as Maria Kaminsky. If the total number of points
Strike441 [17]

Answer:

x=34

y=17

Step-by-step explanation:

Let Paula's score be= x

Let Maria's score be=y

<u>Given</u><u>:</u>

x=2y

x+y=51

<u>Substitution</u><u>:</u>

2y+y=51

<u>Formula</u><u>:</u>

2y+y=51

3y=51

y=17

x=2y

x=2(17)

x=34

<u>Proof</u><u>:</u>

x+y=51

34+17=51

51=51

Hope this helps ;) ❤❤❤

5 0
3 years ago
Finish solving the system of equations –9.5x – 2.5y = –4.3 and 7x + 2.5y = 0.8 using the linear combination method
jek_recluse [69]
__________________
x=1.4
y=-3.6
___________________
:)
5 0
3 years ago
Kesha sharpened 4 colors of pencils for her teacher. She sharpened equal amounts of red and green pencils. Then she sharpened tw
Nimfa-mama [501]
Variables are taken from the first letter of the color, ex: green = g.

Given:
r = g
2r = b = y
Total =42

So then:
r+ r + 2r + 2r = 42
6r = 42
r = 7

y = 2r
y = 2(7)
14 of the 42 pencils were yellow.
7 0
3 years ago
Ben had 12 boxes of cookie dough he separated it into four groups
NeTakaya
There'll be three boxes of cookie dough on each row/group.
4 0
3 years ago
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