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2 years ago

Please help 10 POINTS!!!

Mathematics

1 answer:

iVinArrow [24]2 years ago

3 0

(-5,-1)

Would be ur answer!!

Hope u have a great day beautifulll

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Elle decreased her monthly budget from $250 to $200. Calculate the percent decrease

kirill [66]

Formula for finding percent change (increase or decrease) is amount of the change divided by the original amount.

Here, the amount of the change is 50 and the original amount is 250.

50/250= 0.2

Multiply by 100 to get percent.

20% decrease (because budget went down)

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3 years ago

21 help asap Brailiest pic below

Dominik [7]

Answer:

Step-by-step explanation:

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3 years ago

if x and y are two overlapping subsets of a universal set U, write the relation between n(U),n(X U Y), and n(xūy).

Andrew [12]

Answer:

the relation between them are

n(U) = n(X U Y) + n(xūy).

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3 years ago

a thermometer measures temperature to the nearest 0.5 degrees celsius which measurement shows an appropriate level of precision

Alja [10]

The temperature which has best degree of precision would actually be the temperature reading which has similar decimal place with the error. So the best answer would have 1 decimal and from the choices given above, this would be:

16.0°C

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4 years ago

Plz help I will do anything

Basile [38]

There's no need to get into an ethical morass over math homework.

111.

M is 20% less than N means

M is 100-20=80% of N

M=0.80 N

M/N = 0.8 = 4/5

Ratio: 4/5

112.

When we know a, the average, and n, how many numbers there are, we know the sum s, because a=s/n so s=na.

So the sum of our six numbers is 6(3.5)=21 so the sum of the seven numbers is 21+4.2=25.2 so the average is 25.2/7 = 3.6

Answer: 3.6

113.

|2p + 4 | < 3

At p=-2 the absolute value is zero. As p gets more negative the absolute value argument (inside part) gets negative and the absolute value gets bigger, more positive. Eventually the inside will be exactly -3, when

2p +4 = -3

2p = -7

p = -7/2 = -3 1/2

So p=-4 will make the inequality false, and p=-3 is the smallest integer that makes the inequality true.

Answer: -3

114.

The distance from the origin is given by the Pythagorean Theorem and this one is a 3/4/5 right triangle:

$d = \sqrt{(-.3)^2 + (-.4)^2}=.5$

Answer: .5 or 1/2

4 0

3 years ago