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3 years ago

Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest

Mathematics

2 answers:

weqwewe [10]3 years ago

8 0

Answer:

19 people

Step-by-step explanation:

To find how many people went to the mall, count each x

At 0 trips, there are 2 xs, so 2 people had 0 trips to the mall

At 1 trip, there are 0 xs, so 0 people had 1 trip to the mall

At 2 trips, there are 10 xs, so 10 people had 2 trips to the mall

At 3 trips, there are 7 xs, so 7 people had 3 trips to the mall

Add up all the xs

2+0+10+7=19

19 people in all

schepotkina [342]3 years ago

5 0

Answer:

19 people

Step-by-step explanation:

We want to find how many people were surveyed

0: 2 people

1:0 people

2: 10 people

3: 7 people

The total number of people surveyed

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3 years ago

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3 years ago

Read 2 more answers

Solve the system of linear equations. separate the x- and y- values with a coma.

Katarina [22]

The Answer is x=7, y=6

Solve the following system:
{14 x - 4 y = 74 | (equation 1)
{7 x - 7 y = 7 | (equation 2)
Subtract 1/2 × (equation 1) from equation 2:
{14 x - 4 y = 74 | (equation 1)
{0 x - 5 y = -30 | (equation 2)
Divide equation 1 by 2:
{7 x - 2 y = 37 | (equation 1)
{0 x - 5 y = -30 | (equation 2)
Divide equation 2 by -5:
{7 x - 2 y = 37 | (equation 1)
{0 x+y = 6 | (equation 2)
Add 2 × (equation 2) to equation 1:
{7 x+0 y = 49 | (equation 1)
{0 x+y = 6 | (equation 2)
Divide equation 1 by 7:
{x+0 y = 7 | (equation 1)
{0 x+y = 6 | (equation 2)
Collect results:
Answer: {x = 7
{y = 6

P{lease note the brackets are supposed to go over both equations but I haven'y been able to find a way to make it work, see attachment.

7 0

3 years ago

Solve the equation for x in terms of c.

Alex

Answer:

x = 29 / (8c)

Step-by-step explanation:

(2/3)(cx + 1/2) - 1/4 = 5/2
(2/3)cx + 1/3 - 1/4 = 5/2
(2/3)cx + 1/12 = 5/2 Multiply all terms by 12
8cx + 1 = 30
8cx = 29
x = 29 / (8c)

6 0

2 years ago