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elena-s [515]
3 years ago
10

Find the greater ratio - 6:7 and 7:8​

Mathematics
1 answer:
Shtirlitz [24]3 years ago
4 0

Answer:

6:7

Step-by-step explanation:

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The average time spent sleeping (in hours) for a group of medical residents at a hospital can be approximated by a normal distri
nika2105 [10]
First we calculate the z-score for this situation.
Z=\frac{X- \mu}{\sigma} = \frac{5.3-6.1}{1} = -0.8
Finding <em>P</em>(x < 5.3) is the same as finding <em>P</em>(<em>z</em> < -0.8).  Using a table of standard normal distribution and z-scores we see that the probability is 0.21186.
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RUDIKE [14]
I think the width is 13 and the length is 12
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Dana is filling a 1.5 gallon watering can at a rate of 0.75 gallon per minute. What is the domain of the function that represent
Butoxors [25]

Answer:

0 ≤ x ≤ 2

Step-by-step explanation:

A function show the relationship between an independent variable and a dependent variable. The independent variable (input) does not depend on other variables while the dependent variable (output) depend on other variables.

In this question, the volume of the water is the dependent variable and the time taken is the independent variable. Let y represent the volume of the water and x represent the time taken. Therefore:

y = 0.75x

The domain of the function is the set of independent variable, it can be gotten by determining x when y is minimum and maximum. Hence:

For y = 0

0 = 0.75x

x = 0/ 0.75 = 0

For y = 1.5 gallon

1.5 = 0.75x

x = 1.5/0.75 = 2

Hence, the domain = 0 ≤ x ≤ 2

6 0
3 years ago
If m 180<br> °<br> then <br> A. <br> Obtuse<br><br> B. <br> Vertical<br><br> C. <br> Complementary<br><br> D. <br> Supplementary
insens350 [35]

Answer:

vertical

Step-by-step explanation:

because 180degrees is a straight line

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Point Q is the center of dilation. Lines segment S U is dilated to form line segment S prime U prime. The length of Q S is 3 .2
tia_tia [17]

Answer:

Option C.

Step-by-step explanation:

It is given that the dilation rule is D_{Q,2.5}. It means the center of dilatation is point Q and scale factor is 2.5.

Scale factor is the ratio of distance from center to the image of a point and distance from center to the corresponding point.

\text{Scale factor}=\dfrac{QU'}{QU}

It is given that QU=4 and scale factor = 2.5.

2.5=\dfrac{QU'}{4}

Multiply both sides by 4.

2.5\times 4=QU'

10=QU'

We know that

UU'=QU'-QU

UU'=10-4

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The distance between U' and U is 6 units.

Therefore, the correct option is C.

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