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baherus [9]
3 years ago
9

What is 2x7 what is 2x2 what is 2x4​

Mathematics
2 answers:
GalinKa [24]3 years ago
6 0

Answer:

14

4

8

Step-by-step explanation:

Bess [88]3 years ago
6 0

Answer: 2x7=14 2x2=4 2x4=8  

  1. 2 , 4 , 6 , 8 , 10 , 12 , 14

2. 2 , 4

3. 2 , 4 , 6 , 8

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jenny went to the mall with $120 in her wallet.she spent $25.65 on a shirt, $7.98 on a pair of socks, $16.23 on a cd , and $4.58
Effectus [21]
Total money=$120
on shirt=$25.65
on socks=$7.98
on a cd=$16.23
on snack=$4.58
so total money left=total money-total money spent 
=$120-($25.65+$7.98+$16.23+$4.58)
=$120-$54.44
so total money left=$65.56
4 0
3 years ago
Read 2 more answers
HELP ME PLEASE!!
LUCKY_DIMON [66]

Using a system of equation, we have that:

a)

  • x, which is the cost of on-site service.
  • y, which is the cost of at-store service.
  • z, which is the cost of by-mail service.

b)

The system is:

x = 3y

z = y - 10

15x + 40y + 5z = 3100

c)

The cost of one on-site repair service is of $90.

Item a:

The variables are:

  • x, which is the cost of on-site service.
  • y, which is the cost of at-store service.
  • z, which is the cost of by-mail service.

Item b:

On-site service costs <u>3 times as much as at-store service</u>, thus:

x = 3y

By mail service costs <u>$10 less than at-store</u>  service, thus:

z = y - 10

Last week, the shop completed <u>15 services on-site, 40 services at-store, and 5 services by mail for total sales of $3100</u>, thus:

15x + 40y + 5z = 3100

The system is:

x = 3y

z = y - 10

15x + 40y + 5z = 3100

Item c:

  • The cost of one on-site repair service is x.
  • First, replacing the first two equations into the third, we find y, and then with it we find x.

15x + 40y + 5z = 3100

15(4y) + 40y + 5(y - 10) = 3100

60y + 40y + 5y = 3150

105y = 3150

y = \frac{3150}{105}

y = 30

Then

x = 3y = 3(30) = 90

The cost of one on-site repair service is of $90.

A similar problem is given at brainly.com/question/24823220

3 0
2 years ago
Find the circumference of the circle shown below if the diameter equals 20 inches. Use 3.14 for π
Tanzania [10]

Answer:

62.8 inches

Step-by-step explanation:

c = πd

c = 3.14 * 20

c = 62.8 inches

4 0
3 years ago
9(-4-3)=? Please help
Annette [7]
This is the answer 9(-4-3) = -63
5 0
3 years ago
Read 2 more answers
Can someone explain how to use the Phythagoren theorem please?
Alex

Step-by-step explanation:

there are three parts first one is hypotenuse, base, height....

hope you understood

5 0
2 years ago
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