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Lorico [155]
2 years ago
8

A shopper needs 24 sandwich rolls. The store sells identical rolls in 2 differently sized packages. They sell a six-pack for $5.

28 and a four-pack for $3.40. Should the shopper buy 4 six-packs or 6 four-packs? Explain your reasoning.
Mathematics
1 answer:
Andru [333]2 years ago
6 0

Answer:

you should get 6 four-packs

Step-by-step explanation:

5.28/6= .88 dollars per roll

3.40/4=.85 dollars per roll

buying six four packs is a better price

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Which of the following could be the equation for a parabola that opens down with the vertex (-11,-28)?
Mekhanik [1.2K]

Answer:y=-5(x+11)^2 -28

Step-by-step explanation: Okay think about what you know about translations and transformations of parent functions. In this case, the parent function is x2. So what now?

First, the problem states that the parabola opens DOWN. This means that you should look for a negative leading coefficient. This narrows your options down to C or D. (-5 is the leading coefficient)

Now starting with the x2, the vertex would be at (0,0), but in this problem it is at (-11,-28). That means it was TRANSLATED 11 spots in the negative x-direction and 28 spots in the negative y-direction.

Look at your options, when a number is being added directly unto the x variable, such as in answer C, it moves in the negative x-direction. This tells you that C has to be your answer.

I hope that helps!

8 0
3 years ago
A figure with parallel lines m and n is shown. What is the measure, in degrees, of angle b?
Radda [10]

Answer:

48°

Step-by-step explanation:

Not sure if you've learner this yet, but the two angles shown are called alternate exterior angles. To make it a little bit easier, 48° has to be the answer since it's the only other angle shown. But to explain it more..

There's corresponding and vertical angles which can be used to solve this equation. There are four spots that would equal 48°, including "b". Corresponding angles are in the same spot, but different sections. There's also vertical angles, which are right across from each other. If you apply vertical and corresponding angles b will be 48°.

Please let me know if you don't really understand what I attempted to explain.  If you haven't gone into depths about what I talked about, just think about the first paragraph/section.

3 0
3 years ago
Josh Lisa and Vicki are one fourth of their own pizza each pizza was the same size but josh are 1 slice Lisa ate 2 slices and Vi
ANEK [815]
Josh ate 1/4
Lisa ate 2/8
Vicki ate 3/12
4 0
3 years ago
Can someone help me with this? Thanks!
riadik2000 [5.3K]

9514 1404 393

Answer:

  • x ∈ {5, 7}
  • (5,7)

Step-by-step explanation:

The graph shows the function value is zero for x=5 and x=7. These are the elements of the solution set.

  x ∈ {5, 7}

__

The graph is below the x-axis between these points, so that is the region where f(x) < 0

  5 < x < 7 . . . . . for f(x) < 0

In interval notation: (5, 7).

7 0
3 years ago
Travis owes Mickie $120. Each week he pays her $7. Which is an equation that describes the amount (A) that Travis owes after (W)
anyanavicka [17]

Answer:

120 - (W*7)= A

Step-by-step explanation:

Let's say after 3 weeks. $120 is what he owes her in the beginning. He pays her $7/week.

After 3 weeks, he owes her 120 - (W*7)= A.

W=3, since we are 3 weeks along. So, after 3 weeks he still owes her

120 - (3*7)= A >>> 120 - 21= A >>> 99= A.

5 0
3 years ago
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