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aleksandr82 [10.1K]
3 years ago
14

PLEASE HELP! THANK YOU! Hint: It’s not C.

Mathematics
1 answer:
Jlenok [28]3 years ago
6 0
The correct answer is A. Each of the y values are 4 times their respective x values
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Can someone find the perimeter of this shape? ill give brainliest if ur right
Luda [366]

Answer:

24

Step-by-step explanation:

Add up all the sides to fid the perimeter. 6+6+8+4=24

8 0
2 years ago
The graph of a system of equations is shown below . What system of equations represents the graph ?
True [87]

Answer:

B

Step-by-step explanation:

Plug the values of x into each equation

3 0
3 years ago
For a random sample of 50 measurements on the breaking strength of cotton threads, the mean breaking strength was found to be 21
Vikentia [17]

Answer:

205.81 to 214.19

Step-by-step explanation:

Sample size (n) = 50

Sample mean weight (X) = 210 grams

Sample standard deviation (s) = 18 grams

Confidence coefficient (Z) at 90% = 1.645

The confidence interval for the true mean breaking strength of cotton threads of this type, at a 90% confidence level, is given by:

CI=X \pm Z*\frac{s}{\sqrt n}\\CI=210 \pm 1.645*\frac{18}{\sqrt 50}\\CI = 210 \pm 4.19\\CI =205.81\ to\ 214.19

The confidence interval is 205.81 grams to 214.19 grams.

6 0
3 years ago
What is the value of this expression? (−4)^4?
Charra [1.4K]
-4^4= -4*-4*-4*-4

-4*-4=16
16*-4=-64
-64*-4= 256

Final answer: 256
5 0
2 years ago
a drink is made by mixing pineapple juice orange juice and lime juice in the ratio 2:7:3 Sally makes 600ml of the fruit drink ho
satela [25.4K]
Pineapple juice : orange juice : lime juice = 2:7:3
So there is 2x of pineapple juice, 7x of orange juice and 3x of lime juice.

2x+7x+3x=600 \\
12x=600 \\
x=50 \\ \\
pineapple \ juice \to 2x = 2 \times 50=100

She used 100 ml of pineapple juice.
7 0
3 years ago
Read 2 more answers
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