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nadya68 [22]
3 years ago
8

Anna's birthday party costs $1, plus an additional $2 for each guest she invites. Write an equation that shows the relationship

between the guests x and the cost y. Write your answer as an equation with y first, followed by an equals sign.
Mathematics
1 answer:
andrezito [222]3 years ago
7 0

Answer:

<em>y</em> = $1 + $2<em>x</em>

Step-by-step explanation:

The one dollar represents the amount of the party alone. The two dollars multiplied by the x gets you how much money will be spent towards guests altogether. Adding these gets you the total cost. (FYI - I put the dollar sign, but you may not need it.)

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Simplify the expression using the following values:<br> w=−4; v=5; u=2<br> 4w² − v + 3u
Grace [21]

Given:

  • w=-4
  • v=5
  • u=2

<u>Step</u><u> </u><u>by</u><u> step</u><u> explanation</u><u>:</u>

Step 1:

4w² − v + 3u

Step 2:

=  {4( - 4)}^{2}  - 5 + 3 \times 2

Step 3:

= 4(16) - 5 + 6

Step 4:

= 64 - 5 + 6

Step 5:

= 64 + 1

Step 6:

= 65✓

7 0
3 years ago
Help with my math please!!!
madam [21]

Answer:

x-12≤7

x≤19

Step-by-step explanation:

less than means it comes after

x-12

is at most means less than or equal to

x-12≤7

Add 12 to each side

x-12+12≤7+12

x≤19

7 0
3 years ago
Read 2 more answers
Help help help help help
algol [13]

Answer:

I'd say 7ft

Step-by-step explanation:

a square has equivalent sides so just divide 49.

<em>please correct me if im wrong.</em>

5 0
3 years ago
You have just graduated from college and purchased a car for $8000. Your credit limit is  $20,000. Assume that you make no payme
solmaris [256]
I believe the answer is (0, 8000) 
6 0
3 years ago
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A square pyramid and a cube have the same surface area. The length of each side of the base of the square pyramid is 10 feet. Th
Brrunno [24]

Answer:

The answer to your question is 23.2 ft

Step-by-step explanation:

Data

length square pyramid = 10 ft

width of a cube = 6 ft

height of the pyramid = ?

The surface area is equal in both figures.

Formula

Surface area of a cube = 6a²

Surface area of a square pyramid = ab + al = l x l + (l x h) /2

Process

1.- Calculate the surface area of the cube

           Ac = 6(6)² = 6(36)

                            = 216 ft²

2.- Substitute data in the square pyramid formula

           Ap = (10 x 10) + (10h)/2

3.- Equal both areas

               216 = 100 + 5h

- Solve for h

               216 - 100 = 5h

                         116 = 5h

                          h = 116 / 5

- Result

                          h = 23.2 ft                          

5 0
3 years ago
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