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patriot [66]
3 years ago
12

I’m confused on this one

Mathematics
1 answer:
nikklg [1K]3 years ago
6 0

2·(2 + 9 + 2/SIN(30°)) = 30

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What is 69= 5(7-5r) + 4(r-2) show work
Serjik [45]

Answer:

r=-2

Step-by-step explanation:

69=35-25r+4r-8 simplify

69=27-21r subtract 27 from both sides

42=-21r divide both sides by -21

r=-2

4 0
2 years ago
Can anybody do these for me hurry ?
Damm [24]

Answer:

- Mode-The most repetitive number.

- Median:The number in the MIDDLE when they are IN ORDER.

- Mean- The AVERAGE OF ALL NUMBERS: You add up all the numbers then you divide it by the TOTAL NUMBER of NUMBERS.

- Range - THE BIGGEST minus the Smallest.

Step-by-step explanation:

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8 0
3 years ago
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-8 (7/10) as a mixed number
FrozenT [24]

Answer:

7 1/2

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3 years ago
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PLEASE HELP! The trail around Mirror Lake in Yosemite National park is 5 miles long. What fraction describes how much more of th
Katen [24]

Answer:

  • Jon - Andrea = 1/10
  • Callie - Jon = 3/10

Step-by-step explanation:

In terms of tenths, the distances each hiked are ...

  • Andrea — 4/10
  • Jon — 5/10
  • Callie — 8/10

Then the differences of interest are ...

  Jon - Andrea = 5/10 -4/10 = 1/10

  Callie - Jon = 8/10 - 5/10 = 3/10

__

Jon hiked 1/10 of the trail more than Andrea.

Callie hiked 3/10 of the trail more than Jon.

6 0
3 years ago
Kaitlyn saves $6 each week. After correctly carrying out the Solve step of the five-step problem-solving plan, which solution sh
ch4aika [34]

Answer:

1. 10 weeks

Step-by-step explanation:

Apparently, we want to find the number of weeks (w) that Kaitlyn must save $6 in order to have a total of $60.

... $6 × w = $60

Divide by $6 to get ...

... w = $60/$6 = 10

Kaitlyn must save for 10 weeks (if she starts with a balance of 0).

_____

<em>Comment on the problem statement</em>

The problem reads like we came in somewhere in the middle of it. We don't know what other steps you've been asked to perform, or any of the details of the problem you're asked to solve. We don't have Kaitllyn's initial balance, for example, which is essential to determining how long she must save. (If Kaitlyn's initial balance is $33, for example, she must only save for 4.5 weeks.)

7 0
3 years ago
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