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Vikki [24]
3 years ago
15

Can u help me with 2&3 please

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
7 0
4.2
slope = (2+1)/(1-0) = 3

y-intercept when x = 0 then y = 2 or  (0,2)

4.3 
y = 2x - 3

slope = 2
y-intercept x = 0, y = -3
x-intercept y = 0, x = 3/2 = 1.5

OK now you have 2 passing pairs (0,-3) (1.5 , 0) you can graph them.
Lisa [10]3 years ago
6 0
2 is y=3x+1
For 3 you make a dot on y=-3 and go up 2 and right 1: draw a dot there. Do it again and then go back to y=-3 and go down 2 and left 1: draw a dot. Dot it again from that spot. Connect the dots.
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The price of a toy usually costs £50 is increased to £65 work out the percentage increase
I am Lyosha [343]

Answer:

Step-by-step explanation:

10% of 50 = 5

5% of 50 = 2.5

to get to 65 u do 5+5 = 10 so so far that is 20% but 20% only gets u to 60 so u add another 10% to reach 65

u have used 30% so the answer to yr question is 30%

<h2><em>does this help comment if / if not </em></h2>
8 0
3 years ago
If a bucket has three black balls and seven green balls, and we draw balls without replacement, the probability of drawing a gre
Ierofanga [76]
The answer is B false
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3 years ago
Consider a function <img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%5Cfrac%7B%281%20-%20x%29%5E2%7D%7B%281%20%2B%20x%29%5E2%
SCORPION-xisa [38]

Answer:

f=

x2−2x+1

x3+2x2+x

Step-by-step explanation:

Let's solve for f.

fx=

(1−x)2

(1+x)2

Step 1: Multiply both sides by x^2+2x+1.

fx3+2fx2+fx=x2−2x+1

Step 2: Factor out variable f.

f(x3+2x2+x)=x2−2x+1

Step 3: Divide both sides by x^3+2x^2+x.

f(x3+2x2+x)

x3+2x2+x

=

x2−2x+1

x3+2x2+x

f=

x2−2x+1

x3+2x2+x

8 0
4 years ago
A sum amount to $2400 at 15% simple interest per annum after 4 years. Find the sum
Sergio039 [100]

Answer:

1500

Step-by-step explanation:

We can required to find the sum which also means the value

Future value= value × [ 1 + rate×time]

2400= value × [1 + 15/100×4]

2400= value × [1 + 0.15×4]

2400= value × [1+0.6]

2400= value × 1.6

Value= 2400/1.6

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4 0
3 years ago
A sofa is on sale for $527, which is 32% less than the regular price.<br> What is the regular price?
lorasvet [3.4K]

Answer:

$1646.875

Step-by-step explanation:

We know that 32% of the original price (x) is $527:

.32x= 527

when we solve this we get

x= $1646.875

Hope this helps.

6 0
3 years ago
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