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Reptile [31]
3 years ago
5

13

Mathematics
1 answer:
Zolol [24]3 years ago
8 0

Answer:

Step-by-step explanation:

15x13=?

15+15+1=31

so the answer is 31

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Kelly signed copies of her new book at a local book store. He had budgeted 1.15 per student. It turned out that he spent 0.25 le
PolarNik [594]

Answer:

$27

Step-by-step explanation:

In this question, we are asked to calculate how much spent on some number of students in a bookstore where books were being signed by an author. We proceed as follows:

To calculate the amount she budgeted, there are different approach we can take. We can calculate the amount she has to pay for the signing at the old price. Then, we calculate the amount of money she has to pay on discounting the fees. We then subtract the values to arrive at the total value she has spent.

Firstly, we calculate the total amount of money to be spent on the students based on his budget. He had budgeted 1.15, then the total amount budgeted would be 30 * 1.15 = $34.5

Now we are made to know that she spent 0.25 less. Thus, the total amount spent less would be 30 * 0.25 = $7.5

The actual amount thus spent is $34.5 - $7.5 = $27

He spent a total of $27 on 30 students

3 0
3 years ago
Y=1/2x+3 y=5 i need help
Ilya [14]

Answer:

x=4

Step-by-step explanation:

4 0
3 years ago
Find the slope of the line.<br> y = -10x - 2
Pavlova-9 [17]

The slope is the change in y-axis to x-axis of a graph. The slope of the line given is -10

<h3>How to find the slope of a line?</h3>

The standard equation of a line in slope intercept form is given as y = mx+b

where

  • m is the slope
  • b is the y-intercept

Given the equation y = -10x - 2

Compare

mx = -10x

m = -10

Hence the slope of the line given is -10

Learn more on slope here: brainly.com/question/3493733

#SPJ1

6 0
2 years ago
in a class of 147 students, 95 are taking math, 73 are taking science, and 52 are taking both math and science. if one student i
Orlov [11]
The answer would 2 per cent
7 0
3 years ago
Read 2 more answers
ms hernandez has 17 tomato plants that she wants to plant in rows. she will put 2 plants in some rows and 1 plant in the others.
dexar [7]
If we go for the ratio of (2 in row : 1 in row) 8:1 7:3 6:5 5:7 4:9 3:11 2:13 1:15 0:17 Therefore there are 9 possibilities
7 0
3 years ago
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