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elixir [45]
3 years ago
8

Suppose you have 15 muffins. How many muffins are left after you give a friend 1/3 of them?

Mathematics
2 answers:
madam [21]3 years ago
5 0
You would have 10 muffins left because 1/3 of 15 is 5 so 15-5=10
Makovka662 [10]3 years ago
4 0
If you split 15 muffins into 3 groups, youre going to have 5 muffins in each group. so if you give a friend 1 out of the 3 groups, youre going to have 10 muffins left.
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What is the equation of the line that passes through (-2, 2) and (1, -4)?
poizon [28]

Answer:

y = - 2x - 2

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁  = (- 2, 2) and (x₂, y₂ ) = (1, - 4)

m = \frac{-4-2}{1+2} = \frac{-6}{3} = - 2, thus

y = - 2x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (- 2, 2), then

2 = 4 + c ⇒ c = 2 - 4 = - 2

y = - 2x - 2 ← equation of line

3 0
3 years ago
Angela practices piano for 5 hours on Sundays amd for 3 hours on all other days of the week. How many hours doea Angela practice
Kitty [74]

Answer:8 x 365=2920

Step-by-step explanation:

First, you add 5 + 3 which equals 8. Then there is 365 days in a year so you would multiply 8 times 365 which equals 2920.

Pretty sure this is right, hope it helps.

7 0
2 years ago
Clare is painting some doors that are all the same size. She used 4 liters of paint to cover 50 doors. How many liters of paint
Alinara [238K]

Answer:

12.5 leters

Step-by-step explanation:

If you take the 4 liters she used to cover 50 doors,

4 0
2 years ago
Read 2 more answers
The sales tax on a $24 model rocket is $1.92 what is the percent of sales tax
AleksAgata [21]

Input data

Price model rocket = $24

Tax = $1.92

What is the percent of sales tax?

Procedure

r = percent of sales tax

r=\frac{1.92}{24}=0.08=8\text{ \%}

The answer would be 8%

8 0
1 year ago
The amount of garbage, G produced by a city with population p is given by G = f(p). G is measured in tons per week, and p is mea
barxatty [35]
Alright, so this is simple.

P= 50,000 or 50 thousands

G= 13 Tons

The variable f isn't known.

So your equation would be 13 = 50 (f), if you were to put your known variables in the equation.

If you were to find variable f, you would divide 13 tons by 50,000 to get 0.00026 or in scientific notation: 2.6 x 10 (exponent(s):-4)



 

5 0
3 years ago
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