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Helen [10]
4 years ago
11

I need help with these questions it's too hard to fit the problem and question together ​

Mathematics
1 answer:
Alona [7]4 years ago
6 0

Step-by-step explanation:

I can give you the formulas and how to do it.

The formula for finding the slope is

y²-y¹ all over(divided by) x²-x¹.

You take the order pairs and you label them.

For example, the first one.

(4,2) 4 can be x¹ and 2 can be y¹

(7,6.5) 7 can be x² and 6.5 can be y²

So then you plug it in.

(6.5-2) all over/divided by (7-4)

That ends up being 4.5 over 3. Fraction form.

That is your slope.

Then you plug the slope into the point-slope formula which is

y-y¹=M(x-x¹).

You plug your slope in for M.

You pick either of the given points and plug it in for y¹ and x¹.

Then you solve.

If done right, your formula will end up matching the slope-intercept formula

y=Mx+b.

M is your slope.

b is your y-intercept.

Dont freak out when you start doing it with fractions. Just because it looks wierd, doesnt mean it's wrong.

Use this process for all four.

Hope this helps.

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What is the circumference of a circle if the radius is 4?
inysia [295]

Answer:

25.1cm

Step-by-step explanation:

since circumference =\pid and d=2r

c=\pi(2*4)

c=8\pi

c=25.132741229

c=25.1cm

6 0
3 years ago
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Which is bigger 96oz or 5 lbs
Mariana [72]

9​6 ounces is equal to 6 pounds therefore bigger than 5 pounds

5 0
4 years ago
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Which two events are independent? A.) go sledding, snow B.) sleep,dream C.) count to 100, fix a bike D.) do chores, earn allowan
Alchen [17]

Answer:

A and C

Step-by-step explanation:

The meaning of an event being independent is that one event doesn't effect the probability of they other event happening. So B is wrong because whether yo sleep or not can affect whether you dream or not and D is wrong because you earning and allowance is based off whether you do your chores or not.

5 0
3 years ago
A clock loses 10 minutes each hour.
dusya [7]

Solution:

3:36 PM.

The clock loses 10 minutes each hour,

so it loses 5 minutes every half-hour,

and it loses 1 minute very 6 minutes.


It is 12:50 PM at 1:00 o'clock.

It is 1:40 PM at 2:00 o'clock.

It is 2:30 PM at 3:00 o'clock.

It is 2:55 PM at 3:30 o'clock.

It is 3:00 PM at 3:36 o'clock.


Hope it helped mah friend :)

7 0
3 years ago
1. In triangle ABC, m∠A=36, and m∠C=12. Calculate m∠B.
ki77a [65]

Answer:

1) m ∠B = 132°

2) m ∠B = 113°

Step-by-step explanation:

1. In triangle ABC, m ∠A=36, and m ∠C=12. Calculate m ∠B.

We are given measure of 2 angles and we need to find the third angle.

We know that, sum of angles of triangle = 180°

We can write as:

∠A + ∠B + ∠C = 180°

Now put m ∠A=36 and m ∠C=12, to find m ∠B

\angle A + \angle B + \angle C = 180\\36+ \angle B +12=180\\\angle B+48=180\\\angle B=180-48\\\angle B=132

So, we get m ∠B = 132°

2. In triangle ABC, m ∠A=40, and m ∠C=27. Calculate m ∠B.

We are given measure of 2 angles and we need to find the third angle.

We know that, sum of angles of triangle = 180°

We can write as:

∠A + ∠B + ∠C = 180°

Now put m ∠A=40 and m ∠C=27, to find m ∠B

\angle A + \angle B + \angle C = 180\\40+ \angle B +27=180\\\angle B+67=180\\\angle B=180-67\\\angle B=113

So, we get m ∠B = 113°

6 0
3 years ago
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