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Levart [38]
3 years ago
15

There are 90 students in Grade 5, and 10% of them were absent today.In Grade 6, 15% of the 80 students were absent today.What wa

s the total number of students in the two grades who were present today?
Mathematics
1 answer:
podryga [215]3 years ago
3 0

Answer:

21 students

Step-by-step explanation:

90 x .10 = 9

80 x .15 = 12

9 + 12 = 21 students

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A pizza company charges $8 for a large pizza and a $5 delivery charge. Write an equation that gives the
cupoosta [38]
8p +5 = $29
The above is the equation

If you want to know how many pizza were ordered then you subtract 5 from each side of the equal sign then you would have 8p=24 then divide by 8 on both sides of equal sign . p= 3 ; so 3 pizzas were order plus a charge of $5 for delivery.
3 0
3 years ago
Tiffany pays 40$ for 160 minutes of talk time on her cell phone.How many minutes of talk time does she get per dollar?
jonny [76]
To find how many minutes of talk time is available per dolla, you have to divide 160 (number of minutes) by 40 (cost) 160/40 = 4 Therefore, it's 4 minutes per dollar
8 0
4 years ago
Which equations are in standard form ? y=2x+5b<br> 2x+3y=-6
Keith_Richards [23]

Answer: 2x + 3y = -6 is standars form

Step-by-step explanation: Standard form is when the quation is written as  Ax + By = C

7 0
3 years ago
Suppose the function h(x)=2x-9 is translated up 5 united to become a new function, i(x). what the equation of the new function?
andreyandreev [35.5K]

Option B

i(x) = 2x - 4 is the equation of the new function

<em><u>Solution:</u></em>

Given that the function h(x) = 2x-9 is translated up 5 united to become a new function, i(x)

To find: Equation of new function

The graph of a function can be moved up, down, left, or right by adding to or subtracting from the output or the input.

Adding to the output of a function moves the graph up

Therefore,

Given function is:

h(x) = 2x - 9

Translated up by 5 units

<em><u>Therefore, new function is:</u></em>

i(x) = h(x) + 5

i(x) = 2x - 9 + 5

i(x) = 2x - 4

Thus Option B is correct

6 0
4 years ago
Jayden had $8 last week. He now has $11. What is the percent of change?
vagabundo [1.1K]

Answer:

37.5 %

Step-by-step explanation:

11/8 = 1.375

1.375 x 100 = 137.5 %

137.5% - 100% = 37.5%

5 0
3 years ago
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