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Roman55 [17]
3 years ago
9

Can someone help me with 21

Mathematics
1 answer:
Darina [25.2K]3 years ago
3 0
B cuz we *3*3*3 to reach to n 7
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Tras una rebaja del 8%, un pantalón cuesta 17,28 euros. ¿Cuál era su precio inicial?
Sholpan [36]

Answer:

18.78

Step-by-step explanation:

x*(100%-8%)=17.28

x=18.78

3 0
2 years ago
jan, mya, and sara ran a total of 64 miles last week. jan and mya ran the same number of miles. sara ran 8 less miles than jan a
kherson [118]
x-\ Jan's\ destination\\\\y-\ Mya's \ destination \\\\ z-\ Sara's\ destination\\\\\
x+y+z=64\\
x=y\\
z-8=2x\\\\
x+x+z=64\\
z=2x+8\\\\
2x+2x+8=64\\\\
4x+8=64\\\\
4x=64-8\\\\
4x=56\ \ |:4\\\\x=14\\\\z=2x+8=2*14+8=28+8=36\\\\ Sara\ ran\ 36\ miles.
5 0
3 years ago
(I need someone to answer fast please and a clear answer too so ill mark them as brainlyest) :)
AVprozaik [17]

Answer: 12.6 m

Step-by-step explanation:

Use the pythagorean theorem, we get that the height, or x, is

sqrt(22x22-18x18) = sqrt(484-324) = sqrt(160) = 4sqrt(10) = 12.6 m

4 0
2 years ago
Read 2 more answers
Graph the following piecewise function:
zhenek [66]
Check the picture below.

notice the solid circle at -4 and 3, since it includes those points.

also notice the dashed line, though the lines keeps on going those ways, is not included in the piece-wise, since it's not part fo the domain or constraints.

5 0
3 years ago
QUESTION 17 The sum of two numbers is 53. The larger number is 1 less than 2 times the smaller. What are the two numbers?
Crazy boy [7]

I only know 17 which it should be D

7 0
3 years ago
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