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omeli [17]
3 years ago
8

The sum of a number and 3:

Mathematics
1 answer:
fenix001 [56]3 years ago
6 0

Answer:

x+3?

Step-by-step explanation:

honestly, there is not alot of information present here. so when a hear "a number" i think variable.... which would be set up as x+3

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The sum of three times the square of a number and -7
Ganezh [65]

Answer:

3x² - 7

Step-by-step explanation:

3 times (number squared) and sum with (-7)

3 times x² and add (-7)

3x²  + (-7)

3x²  -  7

3 0
2 years ago
PLSSS I NEED THE ANSWER
BabaBlast [244]

Answer:

1. 6.4 meters of streamers left to make pompoms

2. He will be able to make 8 pompoms

Step-by-step explanation:

1.

4 x 1.6 = 5.6 meters were used to make decorations.

Then we do 12 - 5.6 = 6.4

2.

per one pompom it takes 0.8 meters of streamers.

6.4 is the left over so we do

6.4 divided by 0.8 = 8 pompoms you can make

6 0
2 years ago
List all the composit numbers between 1-10
torisob [31]
The answer is 4, 6, 8, 9, and 10. The following numbers (1, 2, 3, 5, and 7) are prime numbers.
6 0
3 years ago
How many vertices does a sphere have?
Vinvika [58]
Hello, a sphere has zero vertices.
5 0
3 years ago
For the end-of-year party, Mt.Rise Middle School ordered 112 pizzas. There were eight fewer veggie pizzas than there were pepper
rodikova [14]
Let the number of pepperoni pizzas be x
pepperoni = x
veggie = x - 8    [<span>There were eight fewer veggie than pepperoni]
</span>combo = 3x       [T<span>here were three times as many combo as pepperoni]
</span>
Given that the total Pizza: 112
x + x - 8 + 3x = 112
5x - 8 = 112
5x = 112 + 8
5x = 120
x = 24

x= 24
x - 8 = 16
3x = 72

So there were 24 pepperoni pizza, 16 veggie pizza and 72 combo pizza

5 0
3 years ago
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