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Likurg_2 [28]
3 years ago
9

Lamar has a bag of beads. He gives 20 beads to his sister. Then he makes 4 identical necklaces with the remaining beads. Write a

n expression that represents the number of beads on each necklace.
Mathematics
1 answer:
Ivan3 years ago
8 0

Answer:

x/4 - 5

Step-by-step explanation:

Let :

Number of beads in bag = x

Number of beads left = x - 20

Identical beads made from remaining = 4

Number of beads on each necklace :

Number of beads left / number of beads made

= (x - 20) / 4

= x/4 - 5

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Firdavs [7]
I hope this helps you




4.1+4. (-x)+2x=3.x+3.1



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3 0
3 years ago
Help meeeee please. ‼️‼️‼️‼️
KatRina [158]

Step-by-step explanation:

look at the picture !

she has to paint actually 6 rectangles :

the 3 tops of the 3 stairs.

and the 3 vertical front boards (the front of each step of the stairs).

what is the area of these rectangles ? summing up all 6 - that is the surface area to be painted.

each top rectangle is clearly

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each front board is

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so, in total we have

3×1558 + 3×984 = 4674 + 2952 = 7626 cm²

as surface area to be painted.

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2 years ago
PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!In two or more complete sentences explain how you would set up and solve the following eq
olchik [2.2K]

Peter's account is 910-40x, and Marla's account is 470-2x. This is a system, so you must find the number that makes both equations end up with the same number. Basically trial and error. Here is what I did:

Let's try the number 10. 910-400=510 and 470-20=450. I need a higher number.

Let's try 13 next. 910-520=390 and 470-26=444. Now the number has to be lower.

Let's try 12. 910-480=430 and 470-24=446. Close, and a little lower.

11.5 is too low, and 11.7 is too high.  11.6 has Equation 1 at 446 and Equation 2 at 446.8. Very close!

It is somewhere around 11.6. I hope that this can give you a start in figuring it out, because I don't believe in giving the complete answer, because then you do not learn anything from it.

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Step-by-step explanation:

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