3 years ago

Easy question pls anwser

Mathematics

2 answers:

Rom4ik [11]3 years ago

7 0

Answer:

a,b,c

Step-by-step explanation:

defon3 years ago

6 0

Answer:

A, C, D

Step-by-step explanation:

Since 15 is a positive integer, it can be represented in positive situations.

15 students add classes to schedule. = 15

15 points are taken away. = -15

15 point are given. = 15

15 dollars has been added to your salary = 15

15 dollars have been taken from your salary = -15

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1) Eight less than triple a number

marta [7]

1) 3x-8 =x
subtract x from both sides
2x-8=0
add 8 to each side
2x=8
divide both sides by 2

x=4

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4 years ago

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Stephanie puts 30 cubes in a box. the cubes are 1/ inch on each side. the box holds two layers with 15 cubes in each layer. what

-BARSIC- [3]

$v = lwh \\ v = 15 \times 15 \times 2 \\ v = 450 \: cubic \: in$
The shape is a rectangle, btw

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3 years ago

Plsss guyss help with this

Fofino [41]

Answer:

360 cm^2.

Step-by-step explanation:

Area of the base = 10*10 = 100 cm^2.

We find the slant height of the sides using Pythagoras:

h = sqrt ( 12^2 + 5^2)

h = sqrt 169

h = 13.

Area of the triangular sides = 4 * 1/2 * 10* 13

= 260 cm^2

So the total surface area = 100 + 260

= 360 cm^2.

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3 years ago

In the morning a tank cntained 10 litres of water.At lunch time it contained 7 litres of water.What percentage of water was used

iren [92.7K]

Answer:

30%

Step-by-step explanation:

10-7=3

3/10×100

=30%

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3 years ago

A cake recipe calls for 2 1/4 cups of flour. Mrs Allen measured 3/4 cup of whole wheat flour and plans to use bleached flour for

grigory [225]

Answer:

she should use 1 2/4 cups of bleached flour

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3 years ago