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snow_tiger [21]
3 years ago
15

The number of lines of reflection about which the combined figure can reflect onto itself is

Mathematics
3 answers:
PilotLPTM [1.2K]3 years ago
6 0

Answer:

4 lines of reflection can the combined figure reflect onto itself.

Step-by-step explanation:

kifflom [539]3 years ago
5 0
4 lines can be reflected
Gavion2 years ago
0 0

The number of lines of reflection about which the combined figure can reflect onto itself is
.

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In an effort to estimate the mean amount spent per customer for dinner at a major Atlanta restaurant, data were collected for a
Softa [21]

Answer:

95% Confidence interval = (23.4,26.2)

Step-by-step explanation:

In this problem we have to develop a 95% CI for the mean.

The sample size is n=49, the mean of the sample is M=24.8 and the standard deviation of the population is σ=5.

We know that for a 95% CI, the z-value is 1.96.

The CI is

M-z*\sigma/\sqrt{n}\leq\mu\leq M+z*\sigma/\sqrt{n}\\\\24.8-1.96*5/\sqrt{49}\leq\mu\leq 24.8+1.96*5/\sqrt{49}\\\\ 24.8-1.4\leq\mu\leq 24.8+1.4\\\\23.4\leq\mu\leq 26.2

5 0
3 years ago
Give examples of two substances that look similar, but have different properties.
gogolik [260]

Answer:

Water and alcohol

Step-by-step explanation:

They are both a clear liquid. However, their properties are very different. Here are a few of the things that set them apart.

  • their smell
  • their PH
  • their density
8 0
3 years ago
There's 40 students on the team 22 are girl what percent are boys
Klio2033 [76]

Answer:

45% are boys

Step-by-step explanation:

because 18/40 = 45%

7 0
2 years ago
If the square below has an area of 50, what is the value of x
pishuonlain [190]

Answer:

10

Step-by-step explanation:

A= L²

50 = L² (do opposite operation to find L)

L = 7.07

x²= L²+ L²

x²= 7.07² + 7.07²

x² = 100 ( do opposite operation to make x the subject)

x = 10

Note: opposite operation of square is square root

4 0
2 years ago
Any thoughts im really confused on it
Alik [6]
The dots you see on step 1 and step 2 mean to multiply
 when you divide a fraction you actually multiply it then whatever you get you simplify it. simple :) hope it helped

4 0
3 years ago
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