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MA_775_DIABLO [31]
3 years ago
6

I’m confused. Can you help

Mathematics
1 answer:
labwork [276]3 years ago
7 0

Answer:

Y=66

X=40

Z=106

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1 soda + 1 cupcake+1popsicle=$22.00
Bogdan [553]

Answer:

a)  1 cupcake = $5.50

b)  1 Popsicle = $3.50

Step-by-step explanation:

Let s = cost of one soda

Let c = cost of one cupcake

Let p = cost of one Popsicle

From the given information we can create 3 equations:

  • Equation 1:   s + c + p = 22
  • Equation 2:   s + 3c + 3p = 40
  • Equation 3:   c = p + 2

Subtract Equation 1 from Equation 2 to eliminate the variable s:

    s + 3c + 3p = 40

<u>-        s + c + p = 22</u>

<u>           2c + 2p = 18</u>

<u />

Substitute Equation 3 into this new equation and solve for p:

⇒ 2c + 2p = 18

⇒ 2(p + 2) + 2p = 18

⇒ 2p + 4 + 2p = 18

⇒ 4p = 14

⇒ p = 3.5

Substitute the found value of p into Equation 3 and solve for c:

⇒ c = p + 2

⇒ c = 3.5 + 2

⇒ c = 5.5

To find the cost of a soda (s), substitute the found values of p and c into Equation 1:

⇒ s + c + p = 22

⇒ s + 5.5 + 3.5 = 22

⇒ s = 13

Therefore,

  • 1 soda costs $13
  • 1 cupcake costs $5.50
  • 1 Popsicle costs $3.50
4 0
2 years ago
Please solve 2(5m+3)-8m=4
garik1379 [7]

2(5m+3)-8m = 4

10m+6-8m = 4

2m = 4-6

m = -2/2

m= -1

6 0
3 years ago
Read 2 more answers
Which formula can be used to describe the sequence below? <br> 29, 9, 3, 1, 1/3,.....
Maksim231197 [3]

Answer:

Answer is   3^{4-n}

Step-by-step explanation:

It is 29 in place of 27 . and Its a geometric series with first term 27 and common ratio \frac{1}{3}

and  general formula for  given sequence is given by  a (r)^{n-1}

so plugging the value of a and r ,we get

   27 ([tex]\frac{1}{3})^{n-1}[/tex]

   3^3(\frac{1}{3} )}^{n-1}

      3^{4-n}

5 0
4 years ago
the angle of elevation from the bottom of a scenic gondola ride to the top of a mountain is 31 degrees. if the vertical distance
Eduardwww [97]

Answer:

The ride lasts 10 minutes.

Step-by-step explanation:

The triangle that is formed is attached.

In order to find out how long the ride lasts, we need to figure out the horizontal distance d.

From trigonometry we have:

tan(31^o)=\frac{902}{d}.

Therefore

d=\frac{902\:feet}{tan(31^o)}=1501\:feet.

Now the amount of time t the gondola ride lasts is equal to the distance d divided by the speed of the gondola:

t=\frac{1501ft}{155ft/sec} =\boxed{9.69\:minutes.}

To the nearest minute this is 10 minutes.

7 0
4 years ago
Please help
Ymorist [56]

Part C:

y = total cost

M = minutes


You can talk on the phone only 100 minutes per month

Company A:

y = 0.04M + 5

y = 0.04(100) + 5

y = 4 + 5

y = 9             $9 per month


Company B:

y = 0.10M + 2

y = 0.10(100) + 2

y = 10 + 2

y = 12          $12 per month


Company A offers the best deal because at Company A you have to pay $9 for 100 minutes per month, and at Company B you have to pay $12 for 100 minutes per month, so you have to pay $3 less.


Part D:

1.) With a budget of $30, Company A would allow me to talk longer on the phone. I know this because for Company A, you pay $3 less per month for the same amount of minutes as Company B. This means that I will save more money with Company A, and I can buy more minutes. (something like this)


6 0
3 years ago
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