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mart [117]
3 years ago
12

Help with math! Thanks in advance!

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
3 0

Answer:

10 units

Step-by-step explanation:

Volume of 1 cube = 1 unit

A = l³

l =∛1000 = 10 ( 10*10*10=1000)


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CAN SOMEONE PLEASE HELP ME WITH THIS ​
nikdorinn [45]

Answer:

I have listed all the dashes according to numbers so we have total of 11 dashes there.

I'll be answering them according to the assumed number of dash.

Step-by-step explanation:

  1. 13
  2. 8/13
  3. 13/21
  4. 0.625000
  5. 0.615385
  6. 0.619047
  7. 8/5
  8. 13/8
  9. 1.666667
  10. 1.600000
  11. 1.625000

Hope you understand it

8 0
3 years ago
A study investigated the effectiveness of meditation training in reducing trait anxiety. The study evaluated subjects trait anxi
Setler79 [48]

Answer:

The 99% confidence interval for the population mean reduction in anxiety was (1.2, 8.6).

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 27 - 1 = 26

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 26 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.99}{2} = 0.995. So we have T = 2.7787.

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2.7787\frac{6.9}{\sqrt{27}} = 3.7

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 4.9 - 3.7 = 1.2.

The upper end of the interval is the sample mean added to M. So it is 4.9 + 3.7 = 8.6.

The 99% confidence interval for the population mean reduction in anxiety was (1.2, 8.6).

6 0
3 years ago
Jason wants to walk the shortest distance to get from the parking lot to the beach. a.How far is the spot on the beach from the
lara31 [8.8K]

3 RIGHT TRIANGLES

1 big right triangle is divided into 2 smaller ones. Medium and small.

<span> a.How far is the spot on the beach from the parking lot? </span>

Medium triangle: long leg = 32 m ; short leg = x

Small triangle: long leg = x ; short leg = 18m

32/x = x/18

32*18 = x*x

576 = x²

√576 = √x²

24 = x    

Parking lot to the beach is 24 meters.

<span>b. How far will he have to walk from the parking lot to get to the refreshment stand?</span>

Use Pythagorean theorem:

Medium triangle: long leg = 32 m ; short leg = 24 m ; hypotenuse = ?

32²+ 24² = c²

1024 + 576 = c²

1600 = c²

√1600 = √c²

40 m = c

Parking lot to refreshment stand is 40 meters.

5 0
4 years ago
Catherine is using a spool of yarn to knit some items. She uses 14 3/8 yards of yarn to knit a scarf. The number of yards of yar
tresset_1 [31]

Answer:

17 5/8

Step-by-step explanation:

Thats the answer

7 0
3 years ago
Read 2 more answers
Use the information given in the diagram. Tell why AB≈DC and
Katen [24]
AB=DC because they have the same side lengths
5 0
3 years ago
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