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REY [17]
3 years ago
10

Which is the equation of the given line in point-slope form?

Mathematics
1 answer:
Kitty [74]3 years ago
3 0

Answer:

y-8=-1×(x+0)

Step-by-step explanation:

m=y2-y1/x2-x1

m=0-(8)/8-(0)

m=-8/8-(0)

m=-8/8+0

m=-8/8

m=-1

y-(8)=-1×(x-(0))

y-8=-1×(x+0)

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Which strategy best explains how to solve this problem?
Rufina [12.5K]
This is a geometric sequence because each term is twice the value of the previous term.  So this is what would be called the common ratio, which in this case is 2.  Any geometric sequence can be expressed as:

a(n)=ar^(n-1), a(n)=nth value, a=initial value, r=common ratio, n=term number

In this case we have r=2 and a=1 so

a(n)=2^(n-1)  so on the sixth week he will run:

a(6)=2^5=32

He will run 32 blocks by the end of the sixth week.

Now if you wanted to know the total amount he runs in the six weeks, you need the sum of the terms and the sum of a geometric sequence is:

s(n)=a(1-r^n)/(1-r)  where the variables have the same values so

s(n)=(1-2^n)/(1-2)

s(n)=2^n-1 so 

s(6)=2^6-1

s(6)=64-1

s(6)=63 blocks

So he would run a total of 63 blocks in the six weeks.
4 0
3 years ago
Read 2 more answers
Find the vertex of this parabola.
Levart [38]
The best answer is c
3 0
3 years ago
Can someone please help me.
Natasha2012 [34]

Answer:10√2

Step-by-step explanation:

∆ABC is a right angle triangle

Angle A + Angle B + angle C = 180

There angel B = 180-135= 45

Angle A = Angle B

Therefore AC= BC=10

By Pythagoras ppt AB^2=10^2 +10^2

=100+100

=√200

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3 0
3 years ago
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If Gabby wants to buy a t-shirt for $35.99 but she has a discount for 10% off, how much is her final cost?
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Answer:

It's $32.39.

Step-by-step explanation:

35.99 - 35.99*10% =

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32.391 is close to 32.39 so we will round it to that number.

The answer is $32.39.

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3 years ago
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Decrease 700kg by 25% <br> (With working out)
Natali5045456 [20]

Answer: 525kg

Step-by-step explanation:

To decrease 700kg by 25% implies

700 - 25% of 700kg

25% of 700 = 25/100 × 700kg

0.25 x 700

= 175

Therefore, to decrease 700kg by 25%, since 25% is 175kg, we subtract 175kg from 700kg

700kg - 125kg

= 525kg

3 0
4 years ago
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