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Marysya12 [62]
3 years ago
14

I really need help pls help me

Mathematics
1 answer:
bearhunter [10]3 years ago
4 0
Num. 4 no because 5t2 doesn't equal 10 …or equals7
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Troy and Lisa were shopping for school supplies. Each purchased different quantities of the same notebook and thumb drive. Troy
kari74 [83]

Answer:

Notebook is $4

Thumb drive is $23

Step-by-step explanation:

Let notebooks be x and thumb drives be y

6x+7y=$185

14x+12y=$332

These two are simultaneous equation. Multiplying the first equation by 7 and second by 3 we obtain

42x+49y=$1295

42x+36y=$996

Subtracting the third equation from the fourth

996-1295=-$299

(36-49)y=-23y

-23y=-$299

y=$299/13=$23

To get the value of x, we substitute the value of y into the first equation

6x+(7*23)=$185

6x=$185-$161

6x=$24

x=$4

Therefore, price of notebook is $4, price of thumb drive is $23

4 0
3 years ago
What is the arithmetic mean between 27 and -3
Gekata [30.6K]
Answer: 35.3

Explanation: (-3-2-1+0+1+2+....27)/30 = 35.3
6 0
3 years ago
Ok this is getting stressful and hard already, we’re not even learning it yet but whatever, please help me will mark Brainliest
s2008m [1.1K]

Answer:

yes? im pretty sure yeah

Step-by-step explanation:

6 0
3 years ago
Are the expressions equivalent?<br>8(6f)=f(8.6)​
s2008m [1.1K]

Answer: no

Step-by-step explanation: 48f does not equal 8.6f

5 0
3 years ago
What is the value of x to the nearest tenth?
Ipatiy [6.2K]

Answer:

35

Step-by-step explanation:

4 0
2 years ago
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