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kozerog [31]
2 years ago
15

What’s the area of this rectangle?

Mathematics
2 answers:
djverab [1.8K]2 years ago
4 0

Answer:

33 cm

Step-by-step explanation:

To find area you multiply the length by the width

11x3=33

Alja [10]2 years ago
3 0

Answer:

33 cm^2

Step-by-step explanation:

Area of rectangle = 11 × 3 = 33 cm^2.

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HELP ASAP!!!!PLEASE
Vitek1552 [10]

Answer:

47xy

Step-by-step explanation:

The answer is 47xy because you add the area of the first quadrant to the second quadratic triangle to reactive the triangle bade

5 0
2 years ago
For dinner you decide to go to eat at a restaurant with your significant other the bill is $32.43 and you would like to leave a
Black_prince [1.1K]

Answer:

32,43 ×20%=6.49

Step-by-step explanation:

4 0
3 years ago
An engineer has designed a valve that will regulate water pressure on an automobile engine. The valve was tested on 110 engines
slava [35]

Answer:

we will fail to reject the null hypothesis and conclude that the mean pressure is not different from 4.7 psi

Step-by-step explanation:

Let's first define the hypothesis;

Null hypothesis: H0: μ = 4.7

Alternative hypothesis: Ha: μ ≠ 4.7

We have;

Sample size; n = 110

Sample mean; x¯ = 4.6

Variance: σ² = 0.64

Standard deviation; σ = √0.64 = 0.8

Formula for test statistic is;

z = (x¯ - μ)/(σ/√n)

z = (4.6 - 4.7)/(0.8/√110)

z = -0.1/0.0763

z = -1.31

From online p-value from z-score calculator attached, using; z = -1.31, two tailed hypothesis, significance value of 0.1, we have;

P-value = 0.190196

The p-value is greater than the significance value and thus we will fail to reject the null hypothesis and conclude that the mean pressure is not different from 4.7

σ μ

8 0
2 years ago
Juan and his little brother Miquel ran around a circular track together. Juan ran on the inner track, which has a radius of 30 f
MArishka [77]

Answer:

he would have had to run 20 more feet then Juan

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Helpppppppppppppppppppppppppppppp
Maurinko [17]
The best way to do this is to set up a proportion

420          x
------  = ------
600        100

then cross multiply and divide

420 times 100 = 42000/600=70

the correct answer is C. 70 people

I hope I've helped!
8 0
3 years ago
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