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Scrat [10]
3 years ago
12

Help me with (-6,-7);y=-4x+1

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
4 0

Answer: y=-4x-31

Step-by-step explanation:

To find a ling that is parallel to the given line and passes through the given point, we need to use the given point. We know that the slope MUST stay the same because parallel lines NEVER touch. All we have to do is plug in the point and find the y-intercept.

-7=-4(-6)+b            [multiply]

-7=24+b                 [subtract both sides by 24]

b=-31

Now, we know that y=-4x-31 is the equation.

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Select three ratios that are equivalent to 8:58:58, colon, 5. Choose 3 answers: Choose 3 answers: (Choice A, Checked) A 16:1016:
Snezhnost [94]

Answer:

I think the reference ratio given is wrong so the right one is

8:508:508:5

Step-by-step explanation:

Given that,

8:58:58:5

We want to find which of the option is equivalent to the given ration

Option A.

16:1016:1016:10

Divide each of the ration by

Then,

16÷2:1016÷2:1016÷2:10÷2

8:508:508:5

Option B

50:8050:8050:80

Divide through by 10

50÷10:8050÷10:8050÷10:80÷10

5:805:805:8

Option C

48:3048:3048:30

Divide through by 6

48÷6:3048÷6:3048÷6:30÷6

8:508:508:5

Option D

32:2032:2032:20

Divide through by 4

32÷4:2032÷4:2032÷4:20÷4

8:508:508:5

Option E

64:3564:3564:35

Divide through by 8

64÷8:3564÷8:3564÷8:35÷8

This doesn't have a factor

So the ratio still retain

64:3564:3564:35

So to analyse the solution,

I believe the reference ratio given is wrong, so I think the reference ratio about be 8:508:508:5

So, from the option, the equivalent to the given ratio are options A, C, and D

6 0
4 years ago
If a humming bird can fly in one second wich is 13 meters how many meters can it go if it flew 10 seconds?
IrinaK [193]

Answer:

130 meters

Step-by-step explanation:

just add an extra zero at the end of 13

5 0
3 years ago
Read 2 more answers
This isosceles triangle has two sides of equal length , a, that are longer than the length of the base , b. The perimeter of the
Sholpan [36]
We are give the equation of the perimeter of the triangle as follows:
2a + b = 15.7 
where b represents the base.

Now, if we want to calculate the length of the base, all we have to do is isolate the b in one side of the equation as follows:
b = 15.7 - 2a

We know that a = 6.3 cm, therefore, the length of the base can be calculated as follows:
b = 15.7 - 2(6.3) = 3.1 cm
4 0
4 years ago
This is algebra please help​
Ghella [55]

Answer:

1/8 and 1/16

Step-by-step explanation:

The negative exponent just means to right the negative inverse.

For example:

4^-2 means 4^2 but in a fraction

the answer would be 1/16

4 0
3 years ago
Majesty Video Production Inc. wants the mean length of its advertisements to be 24 seconds. Assume the distribution of ad length
oksano4ka [1.4K]

Answer:

It is going to be bell-shaped(normally distributed), with mean \mu = 24 and standard deviation s = \frac{2}{\sqrt{15}} = 0.5164.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size can be approximated to a normal distribution with mean \mu and standard deviation \frac{\sigma}{\sqrt{n}}.

What can we say about the shape of the distribution of the sample mean time?

It is going to be bell-shaped(normally distributed), with mean \mu = 24 and standard deviation s = \frac{2}{\sqrt{15}} = 0.5164.

4 0
4 years ago
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