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Charra [1.4K]
2 years ago
5

Y=x-3 somebody?? pls help i cant solve it

Mathematics
2 answers:
marshall27 [118]2 years ago
8 0
X=3 i can confirm that its correct
son4ous [18]2 years ago
7 0

Answer:

x=3

Step-by-step explanation:

0=x-3

-x=-3

x=3

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Y varies inversely with x. If y = -8 when x = -7, find the y when x=-4.
lora16 [44]

Answer:

y =-14

Step-by-step explanation:

Inverse variation is of the form

xy = k where k is a constant

(-7)(-8) = k

56 = k

The equation is

xy = 56

Let x = -4

(-4)y = 56

y = 56/-4

y =-14

8 0
2 years ago
Suppose 80% of people enjoy swimming. Suppose 70% of people enjoy running.
Ede4ka [16]

Answer:

95%

Step-by-step explanation:

In this case we can apply a formula that tells us that:  

# (AUB) = #A + #B - #AnB  

Where A would be the ones who enjoy swimming and B would be the ones who enjoy running. AnB is the intersection of both sets, that is, those who enjoy doing both things, these values we have, if we replace them we have left:

#(AUB) = 80% + 70% - 55%

#(AUB) = 95%

Which means that 95% of people enjoy either swimming or running

6 0
3 years ago
A pack of 6 batteries of the same type costs £2.79. By caculating the price, per battery, determine if this is better value. You
Fittoniya [83]

Answer:

£0.465. It is a better value.

Step-by-step explanation:

If a pack of 6 batteries costs £2.79, price of a battery can be calculated as shown;

6batteries = £2.79

1 battery = x

x = cost of a battery

6x = £2.79

x = £2.79/6

x = £0.465

Price per battery will be £0.465. This price is a better value since the price is lesser than the cost of the 6batteries (£2.79) in a pack.

6 0
3 years ago
(-2+6i)(-5 + 3i) answer<br>​
arlik [135]

Answer:

-8 - 36i

Step-by-step explanation:

5 0
2 years ago
Could anyone help me find the value of x for this question?
kirza4 [7]
Can we get a picture
4 0
2 years ago
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