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anygoal [31]
3 years ago
9

Lisa is collecting data by interviewing people on the streets. She interviewed 21 people in 3 hours. At this rate, what is the t

otal number of the people she interviewed if she works for a additional 2 hours.
Mathematics
1 answer:
natka813 [3]3 years ago
3 0

Answer:

35 interviews

Step-by-step explanation:

1. Find the rate

21/3 = 7 people an hour

2. Find how much she can do in 2 hours

7 x 2 = 14 interviews

3. Add the 2 numbers

21 + 14 = 35 interviews

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What’s 4/5 = 20/blank = blank/45
NNADVOKAT [17]
4/5=20/25=36/45

There you go
8 0
3 years ago
Solve the system by substitution.<br> (x+3y=9<br> 14.x - 2y = -6
Elina [12.6K]

Answer:

x=0 ,y=3

if you have any questions about the way I solved it,don't hesitate to ask

7 0
3 years ago
Choose the inequality that could be used to solve the following problem.
Pie
Answer:

3x = - 6

Step-by-step explanation:

Three times a number is at most negative six

3 times a number would be 3 times x, is means the equal sign (=)

3x = - 6

3 0
3 years ago
Read 2 more answers
1. Find the product of 2.6 x 107 and 6.3 x 16
qaws [65]

Answer:

28'042.56

Step-by-step explanation:

2.6 x 107=278.2

6.3 x 16= 100.8

278.2x100.8=28'042.56

7 0
3 years ago
Read 2 more answers
A function f(x)f(x) is graphed on the coordinate plane.
Effectus [21]

<u>Answer</u>

-4x - 2


<u>Explanation</u>

To get the function needed, first calculate the slope of the graph.

slope = (change in y) / (change in x)

          = (2 - -2)/(-1 - 0)

          = 4/-1

           = -4

Now use one of the point (-1, 2) in the graph and a general point (x,y) to find the function.

-4 = (y - 2)/(x - -1)

-4(x + 1) = y - 2

-4x - 4 = y - 2

y = -4x - 4 + 2

  = -4x - 2


∴ f(x) =  -4x - 2

6 0
3 years ago
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