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GaryK [48]
3 years ago
13

What is the y-intercept of the line graphed on the grid?

Mathematics
2 answers:
Bogdan [553]3 years ago
7 0

(-5,-5)(9,2)

2-(-5)=7
———
9-(-5)=14
m=1/2(simplified)

y=mx+b (m=1/2)(9,2)

2=1/2(9)+b
2=4.5+b
*subtract 4.5 from both sides*

b=-2.5 or (0,-2.5)
Over [174]3 years ago
5 0
The y intercept is (0,- 5/2) bestie
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Colin invests £2350 into a savings account. The bank gives 4.2% compound interest for the first 4 years and 4.9% thereafter. How
svetoff [14.1K]

Answer:

£3,692

Step-by-step explanation:

First four years

A = p(1 + r/n)^nt

P = £2350

r = 4.2% = 0.042

n = 1

t = 4

A = p(1 + r/n)^nt

= 2350(1 + 0.042/1)^1*4

= 2350(1 + 0.042)^4

= 2350(1.042)^4

= 2350(1.5789)

= 2770.42

A = £2770.42

Next 6 years

P = £2770.42

r = 4.9% = 0.049

n = 1

t = 6

A = p(1 + r/n)^nt

= 2770.42(1 + 0.049/1)^1*6

= 2770.42(1 + 0.049)^6

= 2770.42(1.049)^6

= 2770.42(1.3325)

= 3691.59

A = £3691.59

Approximately £3692

6 0
3 years ago
Hannah drove her car 318.4 km in 4 h.<br> At this speed, how far can she expect to travel in 5.5 h?
Nina [5.8K]
If she drives 318.4 km for 4 hours, then if we divide 318.4 by 4 we get 79.6 km per hour.

79.5km per hour x 5.5 hours

=437.8 km
3 0
3 years ago
Solve the system of equations -x+y=15−x+y=15 and -5x-3y=27−5x−3y=27 by combining the equations
Genrish500 [490]

Answer:

<em>Solution: x= -36, y=51</em>

Step-by-step explanation:

Solve the system:

  x +   y = 15

-5x - 3y = 27

By using the reduction method.

Multiply the first equation by 3:

 3x + 3y = 45

Add it to the second equation:

3x - 5x = 45 + 27

Simplifying:

-2x = 72

Dividing by -2:

x = 72/(-2)

x = -36

From the first equation:

-36 + y = 15

Adding 36:

y = 15 + 36 = 51

y = 51

Solution: x= -36, y=51

8 0
2 years ago
A little help please ☹️?
qwelly [4]
Answer:

5.13m^2

Explanation:

A = 1/2bh
A = 1/2(3.8)(2.7)
A = 5.13m^2
4 0
3 years ago
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