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Bumek [7]
3 years ago
15

I need help please help...

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
6 0
What do you need help with?
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A diagonal of a cube measures 15cm and the length of the edge of the cube is 75cm. What is the length of a face of the cube? Rou
zmey [24]

The answer is 69

hope i helped :)

3 0
3 years ago
Help Study Island Is out to get me!!!
Digiron [165]

Answer:

The <u>correct answer</u> would most likly be C. Triangle JKL is similar to triangle RST.

Step-by-step explanation:

In the question, we see that triangles JKL and RST have the same slope at lines JL and RT. <u>Triangles with equal slopes are not necessarily congruent; however, it means that they are similar.</u> Therefore , Triangles JKL and RST are similar

Thanks Have a good day!

8 0
2 years ago
Read 2 more answers
A student union cafeteria worker checked the weight of ten half-pound bags of whole bean coffee and recorded the following weigh
Likurg_2 [28]

Answer: σ = 0.0154

Step-by-step explanation:

1. Calculate the mean for the recorded data.

(0.48 + 0.51 + 0.47 + 0.49 + 0.49 + 0.50 + 0.52 + 0.48 + 0.49 + 0.51)/10 =

4.94 / 10 = 0.49

The mean is represented with the greek letter μ, so μ = 0.49

2. For each element in the serie, subtract the mean (0.49) and square the result

(0.48 - 0.49)^2 = (-0.01)^2 = 0.0001

(0.51 - 0.49)^2 = (0.02)^2 = 0.0004

(0.47 - 0.49)^2 = (-0.02)^2 = 0.0004

(0.49 - 0.49)^2 = 0

(0.49 - 0.49)^2 = 0

(0.50 - 0.49)^2 = (0.01)^2 = 0.0001

(0.52 - 0.49)^2 = (0.03)^2 = 0.0009

(0.48 - 0.49)^2 = (-0.01)^2 = 0.0001

(0.49 - 0.49)^2 = 0

(0.51 - 0.49)^2 = (0.02)^2 = 0.0004

So we get these results: 0.0001, 0.0004, 0.0004, 0, 0, 0.0001, 0.0009, 0.0001, 0, 0.0004

3. Now, we calculate the mean of these squared differences

(0.0001 + 0.0004 + 0.0004 + 0 + 0 + 0.0001 + 0.0009 + 0.0001 + 0 + 0.0004) / 10 =

(0.0024) / 10 = 0.00024

4. Now to get the standard deviation, we need to get the root of this last value (0.00024).

√(0.00024) = 0.0154

5. So that will be our standard deviation value:

σ = 0.0154

DONE!

7 0
3 years ago
Supplies for last year cost $1,477, which was $177 over budget. Rounded to the nearest 1%, by what percent did the cost exceed t
Artist 52 [7]

Rounded to the nearest 1%, the cost exceeded the budget by 12%

6 0
3 years ago
Read 2 more answers
To attend the class field trip, 24 students brought their permission slips.
mario62 [17]

Answer:

There are 30 students in the class

Step-by-step explanation:

we can write a ratio as:

8:10 as 24:x

Writing this as an equation gives:

8

10

=

24

x

We can now solve for

x

while keeping the equation balanced:

10

x

×

8

10

=

10

x

×

24

x

10

x

×

8

10

=

10

x

×

24

x

x

×

8

=

10

×

24

8

x

=

240

8

x

8

=

240

8

8

x

8

=

30

x = 30

7 0
3 years ago
Read 2 more answers
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