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slava [35]
3 years ago
10

If h=5, then 6h-4 equals​

Mathematics
1 answer:
Dovator [93]3 years ago
8 0
6h-4

1. Substitute 5 for h
6(5)-4
30-4 =26
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Determine the currents in the picture
Elenna [48]

Answer:

The value of currents are I_1=0A, I_2=1A and I_3=1A.

Step-by-step explanation:


The Ohm's law states that

V=IR

it is given that the V₁=3V and V₂=4V.

In a parallel circuit:

  • Voltage is same in each component
  • Sum of the currents equals to the total current that flows.

I_2=I_1+I_3                   .... (1)

Equation for first loop is,

V_1=4I_1+3I_2

3=4I_1+3I_2              ..... (2)

Equation for second loop is,

V_2=1I_3+3I_2

4=1I_3+3I_2             ..... (3)

On solving (1), (2) and (3) we get

I_1=0


I_2=1

I_3=1

Therefore the value of currents are I_1=0A, I_2=1A and I_3=1A.

6 0
3 years ago
What makes a sample random
Yuliya22 [10]

Answer:

<u>A simple random sample is a subset of a statistical population in which each member of the subset has an equal probability of being chosen. ... An example of a simple random sample would be the names of 25 employees being chosen out of a hat from a company of 250 employees</u>

<u>Step-by-step explanation:</u>

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7 0
3 years ago
Read 2 more answers
Engineers must consider the diameters of heads when designing helmets. The company researchers have determined that the populati
Margaret [11]

Answer:

1. The minimum head breadth that will fit the clientele is of 4.41-in.

2. The maximum head breadth that will fit the clientele is of 7.19-in.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Normally distributed with a mean of 5.8-in and a standard deviation of 0.8-in.

This means that \mu = 5.8, \sigma = 0.8

1. What is the minimum head breadth that will fit the clientele?

The 4.1st percentile, that is, X when Z has a pvalue of 0.041, so X when Z = -1.74.

Z = \frac{X - \mu}{\sigma}

-1.74 = \frac{X - 5.8}{0.8}

X - 5.8 = -1.74*0.8

X = 4.41

The minimum head breadth that will fit the clientele is of 4.41-in.

2. What is the maximum head breadth that will fit the clientele?

100 - 4.1 = 95.9th percentile, that is, X when Z has a pvalue of 0.959, so X when Z = 1.74.

Z = \frac{X - \mu}{\sigma}

1.74 = \frac{X - 5.8}{0.8}

X - 5.8 = 1.74*0.8

X = 7.19

The maximum head breadth that will fit the clientele is of 7.19-in.

8 0
3 years ago
How many tiles should be in the next block?
Mandarinka [93]

Answer:

What are you talking about?

Step-by-step explanation:

7 0
3 years ago
Can someone help me please ?
Natali [406]
Hi there!

To start, let's find the area of the bases. Since we're finding the area of two triangles, we don't need to put a 1/2 in front of our equation. This leaves us with 24 x 5 for the area of our bases. Now, we need to find the lateral area. We have two congruent rectangles and one that is different. Using the provided measurements, this leaves us with 2(5 x 13) + 1(20 x 24). Next, we need to add the lateral area to the base area. This leaves us with the surface area, which is 730ft^2. Also, the perimeter of the base is 50ft, the height is 20ft, and the base area is 120ft.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
4 0
3 years ago
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