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777dan777 [17]
3 years ago
14

You are purchasing a loaf of bread for $2.16, a box of cereal for $3.25, and 2 cans of soup for $.42 each. Write an expression t

o find the total cost. Then evaluate your expression.​
Mathematics
1 answer:
Kobotan [32]3 years ago
8 0

Answer:

just add them all together

Step-by-step explanation:

You might be interested in
Deidre is picking out some movies to rent, and she is primarily interested in documentaries and children's movies. She has narro
exis [7]

Answer: 6630

Step-by-step explanation:

Given , Number of documentaries = 17

Number of children's movies = 20

Total movies = 17+20=37

Number of combinations of r things taken out of things = ^nC_r=\dfrac{n!}{r!(n-r)!}

Now, the number of different combinations of 3 movies can she rent if she wants at least one documentary

= (1 documentary+2 children's movies  , 2 documentary+1 children's movies , 3 documentary+0 children's movies)

=^{17}C_1\times^{20}C_{2}+^{17}C_2\times^{20}C_{1}+^{17}C_3\times^{20}C_{0}

=(17)\times\dfrac{20!}{2!18!}+\dfrac{17!}{2!15!}\times(20)+\dfrac{17!}{3!14!}(1)\\\\=3230+2720+680=6630

Hence, the  number of different combinations of 3 movies can she rent if she wants at least one documentary is 6630 .

3 0
3 years ago
One half of the birds at the pet store are yellow. Tara buys one of the yellow birds. Then one third of the birds at the store a
Viktor [21]
Well, y=ny
2(y-1)=ny
(where ny is not-yellow)
You get y=2y-2 or y=2. You had two yellow birds and two other types.
3 0
3 years ago
Read 2 more answers
What is the surface area of the prism in square feet?
frutty [35]

The surface area of the rectangular prism is 52 square feet (ft^{2}), if the height is 4 feet, width is 3 feet and depth is 2 feet.

Step-by-step explanation:

          The given is,

                    A rectangular prism of

                     Let, h - height of the rectangular prism

                            w - Width of the rectangular prism

                            d - Depth of the rectangular prism

Step:1

        From given,

                     h = 4 feet

                     w = 3 feet

                     d = 2 feet

Step:2

        Formula to calculate the surface area of the rectangular prism is,

                      A = 2 (wd+hd+hw)

       Substitute the values of w,d and h

                           = 2 [(3×2) + (4×2) + (4×3)]

                           = 2 (6+8+12)

                           = 2 × 26

                           = 52

                       A = 52 Square feet

Result:

        Thus the surface area of the rectangular prism is 52 square feet (ft^{2}), if the height is 4 feet, width is 3 feet and depth is 2 feet.

3 0
3 years ago
Steve is buying apples for the fifth grade.each bag holds 12 apples.if there are 75 students total,how many bags of apples will
kirill115 [55]
72 divided by 12 equals 6 apples each student
7 0
3 years ago
Read 2 more answers
Find the area of the isosceles triangle
AveGali [126]
175m^2
I got the by multiplying 1/2, by the base (14), by the height (25).

1/2 * 14 * 25
4 0
3 years ago
Read 2 more answers
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