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bazaltina [42]
2 years ago
15

This morning 45 students showed up to school early. 40% of that showed up did not have a backpack on.How many students did not s

howed up with a backpack on?
Mathematics
2 answers:
Alex787 [66]2 years ago
8 0

Answer:

Step-by-step explanation:

if your dong 40% of 45 t will be 18

sattari [20]2 years ago
4 0

Answer:

18

Step-by-step explanation:

To solve we fist need to figure out what 40% is in decimal form. To do this we have to move the decimal point to the left 2 spaces.

40% -> 0.40

Then we can multiply...

45 · 0.40 = 18  (This means that 40% of the total 45 students is 18).

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Given that angle a = 72° and angle b = 37°, work out x.
Sedbober [7]

Answer:

x is 71

Step-by-step explanation:

X + 72 + 37 = 180 ( Sum of angles in a triangle)

X = 180 - 72 - 37

X = 71

8 0
2 years ago
What is the volume of the triangular prism?
Rasek [7]

Answer:

The answer is 480 cubic inches

Step-by-step explanation:

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3 0
3 years ago
Solve.... 4n- 9= 2 (5+ 2n)
timama [110]

Answer:

Step-by-step explanation:

Here you go mate

Use PEMDAS

Parenthesis,Exponent,Multiplication,Division,Addition,Subtraction

Step 1

4n-9=2(5+2n)  Equation/Question

Step 2

4n-9=2(5+2n)  Remove parenthesis

4n-9=4n+10

Step 3

4n-9=4n+10  Subtract 4n to sides

-9=10

Step 4

-9=10  Add 9

0=19

Answer

No solutions

Hope this helps

3 0
3 years ago
18. Solve the equation.<br> m- 10/3 - 5m-9/7 = 1
JulijaS [17]

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Step by step explanation is in the image below.

4 0
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