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algol13
3 years ago
8

WILL GIVE BRAINLIEST AND A HELLA LOT OF POINTS

Mathematics
2 answers:
Sladkaya [172]3 years ago
8 0

Answer:

I will only do Q.1

1 a. Sequence X_ is going up by 20

1 b. 8=116 and 13=236

1 c.  Sequence a_ is down up by 13

1 d.  12=39 and 15=0

Step-by-step explanation:

1 a.Sequence X_ is going up by 20

1 b. go from 56

6=56 +20=76

7=76 +20=96

8= 96+20=116

9=116+20=136

10=136+20=156

11=156+20=176

12=196+20=216

13=216+20=236

1 c. Sequence a_ is down up by 13

1 d. go from 78

10=78-13=65

11=65-13=52

12=52-13=39

13=39-13=26

14=26-13=13

15=13-13=0

Luden [163]3 years ago
5 0

Answer:I will only do Q.11 a. Sequence X_ is going up by 201 b. 8=116 and 13=2361 c.  Sequence a_ is down up by 131 d.  12=39 and 15=0Step-by-step explanation:1 a.Sequence X_ is going up by 201 b. go from 566=56 +20=767=76 +20=968= 96+20=1169=116+20=13610=136+20=15611=156+20=17612=196+20=21613=216+20=2361 c. Sequence a_ is down up by 131 d. go from 7810=78-13=6511=65-13=5212=52-13=3913=39-13=2614=26-13=1315=13-13=0

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Step-by-step explanation:

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last year Patrick paid £2534 for his annual train ticket this year he has to pay £2612 for his annual train ticket. work out the
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Step-by-step explanation:

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Percentage increase in the cost of his train ticket

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1. -5x+3y+44=0

2. 2x+y-2=0

3. 2x+y-4=0

Step-by-step explanation:

Standard form of a line is Ax+By+C=0.

If a line passing through two points then the equation of line is

y-y_1=m(x-x_1)

where, m is slope, i.e.,m=\dfrac{y_2-y_1}{x_2-x_1}.

1.

The line passes through the points (7,-3) and (4,-8). So, the equation of line is

y-(-3)=\dfrac{-8-(-3)}{4-7}(x-7)

y+3=\dfrac{-5}{-3}(x-7)

y+3=\dfrac{5}{3}(x-7)

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2.

We need to find the equation of the line, in standard form, that has a y-intercept of 2 and is parallel to 2 x + y =-5.

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Slope of parallel lines are equal. So, the slope of required line is -2 and it passes through the point (0,2).

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y-2=-2(x-0)

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2x+y-2=0

Therefore, the required equation is 2x+y-2=0.

3.

We need to find the equation of the line, in standard form, that has an x-intercept of 2 and is parallel to 2x + y =-5.

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Equation of line is

y-0=-2(x-2)

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2x+y-4=0

Therefore, the required equation is 2x+y-4=0.

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