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just olya [345]
3 years ago
7

Yu-Jun's craft store sells 3 handmade

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
4 0

Answer:

C =3.33x

Step-by-step explanation:

The cost of 1 barrette is

9.99/3  sine it is 9.99 for 3 barrettes

or 3.33 per barrette

We want x barrettes

or 3.33*x

C is the total cost

C =3.33x

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Alex scored 10% in his math test if the test was out of 30, what was his score
Firlakuza [10]

Answer:

Yeesh it was a 3

Step-by-step explanation:

10% of 30=.10 x 30

Answer is 3

5 0
3 years ago
Read 2 more answers
Five years from now, the sum of the ages of a women and her daughter will be 40 years. The difference in their present age is 24
Tomtit [17]

Answer:

Daughter age = 3 years

Step-by-step explanation:

Let x be the age of the women and y be the age of the daughter.

Given:

After five year the sum of the women and daughter age = 40

(x+5)+(y+5)=40

At present the sum of the women and daughter age

x+5+y+5=40

x+y+10=40

x+y=40-10

x+y=30--------------(1)

So the sum of the present age is x+y=30

The difference in their present age is 24 years.

x-y=24

x=24+y

Now we substitute x value in equation 1.

(24+y)+y=30

24+2y=30

2y=30-24

2y=6

y=\frac{6}{2}

y=3\ years

Therefore, the daughter age is 3 years.

7 0
3 years ago
Uppose that x is a bernoulli trial with p = .30. determine the mean of x.
lara [203]
The goal is not only to model the vector with 2 - D and to determine its important parameters, but also to examine the impact in the implementation. That is, Ogden's material parameters, element type, element size, and loading type.
6 0
3 years ago
-x+y=15−x+y=15 and -5x-3y=27−5x−3y=27 <br> Solve the system of equations by combining the equations
Arisa [49]

Answer:

x = -9, y = 6.

Step-by-step explanation:

-x + y = 15

-5x - 3y = 27

From the first equation:

y = x + 15.

Substituting for y in second equation:

-5x - 3(x + 15) = 27

-8x - 45 = 27

-8x = 72

x = -9.

Now plug x = -9 into equation 1

-(-9) + y = 15

y = 15 -9 = 6.

8 0
3 years ago
Fill in the blank<br>-2×-12=​
maks197457 [2]

Answer:

24

Step-by-step explanation:

A negative times another negative results in a positive number

2 times 12=24

-2 times -12=24

8 0
2 years ago
Read 2 more answers
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