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3 years ago

What’s 1:6 equal too in two ways

Mathematics

1 answer:

IceJOKER [234]3 years ago

7 0

Hey!

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Solution:

We can get two different ways of 1:6 by add +1:+6.

1 + 1 = 6 + 6

2:12

2 + 1 = 12 + 6

3:18

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Answer:

2:12 and 3:18

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Hope This Helped! Good Luck!

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If y varies directly as x and y = 144 when x = 12, what is the value of y when x = 17?

olasank [31]

Direct variation:
$y=kx$

y=144 when x=12.
$144=12k \\ k=\frac{144}{12} \\ k=12$

y=? when x=17.
$y=12 \times 17 \\
y=204$

y=204 when x=17.

6 0

3 years ago

For 100 births, P(exactly girls) and P( or more girls). Is girls in 100 births a significantly high number of girls? Which

madreJ [45]

Answer;

The relevant probability is 0.136 so the value of 56 girls in 100 births is not a significantly high number of girls because the relevant probability is greater than 0.05

Step-by-step explanation:

The complete question is as follows;

For 100 births, P(exactly 56 girls = 0.0390 and P 56 or more girls = 0.136. Is 56 girls in 100 births a significantly high number of girls? Which probability is relevant to answering that question? Consider a number of girls to be significantly high if the appropriate probability is 0.05 or less V so 56 girls in 100 birthsa significantly high number of girls because the relevant probability is The relevant probability is 0.05

Solution is as follows;

Here. we want to know which of the probabilities is relevant to answering the question and also if 56 out of a total of 100 is sufficient enough to provide answer to the question.

Now, to answer this question, it would be best to reach a conclusion or let’s say draw a conclusion from the given information.

The relevant probability is 0.136 so the value of 56 girls in 100 births is not a significantly high number of girls because the relevant probability is greater than 0.05

7 0

3 years ago

2<br> 3(9x - 6) = 4x + 10<br> What is the value of X In the equation

andreev551 [17]

Answer:

Step-by-step explanation:

23(9x-6) = 4x +10

207x - 138 = 4x +10

203x = 148

x = 148/203

3(9x-6) = 4x +10

27x -18 = 4x + 10

27x - 4x = 10 + 18

23x = 28

x= 28/23

4 0

2 years ago

What are the roots of the equation y=x^2 -5x-24

NikAS [45]

Factor
(x-8)(x+3)

Check:
-8+3=-5
-8*3=-24

Use ZPP
x-8=0
x=8

x+3=0
x=-3

Final answer: x=-3, x=8

6 0

3 years ago

When a river flows, the strength or force of the river depends on how far the river falls vertically compared to how far it flo

strojnjashka [21]

The figure is missing. There are several problems with same wording but different numbers

Here, we can use:

Horizontal distance: 258 feet

Vertical fall: 56.0 feet

Answer:

Slope = 56.0 ft / 258 ft ≈ 0.217

Explanation:

The <em>slope</em> measures how the rate of change of the vertical distance (vertical fall) with respect to the horizontal distance.

There are several forms to express this with words, which represent the same formula. Here are some of them:

Slope = rise / run
Slope = vertical change / horizontal change
Slope = change in y / change in x
Slope = Δy / Δx
Slope = (y₂ - y₁) / (x₂ - x₁)

As said, all those forms mean the same; they are equivalent.

Here, we have vertical fall = 56.0 feet, and horizontal distance = 258 feet, and by specifications of the problem (in the hint) the slope must be positive. Thus, you get:

Slope = vertical fall / horizontal distance = 56.0 feet / 258 feet ≈ 0.217

8 0

3 years ago