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3 years ago

I need help with this math problem. I have a picture of the question.

Mathematics

1 answer:

Svetlanka [38]3 years ago

4 0

Formula for distance between two points is

d∧2=(x2-x1)∧2+(y2-y1)∧2 in our case (x1,y1)=(k,q) and (x2,y2)=(0,0)

d∧2=(0-k)∧2+(0-q)∧2= k∧2+q∧2 => d=√(k∧2+q∧2)

Good luck!!!

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Can a triangle have angle measures as 140,43, and 7

Mariulka [41]

The angles in a triangle always add up to exactly 180 degrees. To see if this can be a triangle, add up the given angle measures. If the sum is not 180, then it cannot be a triangle.

140+43+7=190

A triangle CANNOT have the angles measures as 140, 43, and 7.

Hope this helps!!

3 0

3 years ago

The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall sem

Naily [24]

Answer: 1406

Step-by-step explanation:

Given Table :

Admissions Probability

1,040 0.3

1,320 0.2

1,660 0.5

Now, the expected number of admissions for the fall semester is given by :-

$E(x)=p_1x_1+p_2x_2+p_3x_3\\\\\Rightarrow\ E(x)=0.3\times1040+0.2\times1320+0.5\times1660\\\\\Rightarrow\ E(x)=1406$

Hence, the expected number of admissions for the fall semester = 1406

3 0

3 years ago

Find a rational number and an irrational number that are between 5.2 and 5.5. Include the decimal approximation of the irrationa

mote1985 [20]

Answer:

5.3

Step-by-step explanation:

3 0

2 years ago

Plase help me I already set the equation up I just need you to solve it.

masya89 [10]

$\sf \frac{6}{30} = \frac{x}{100}$

Solve for x by cross multiplication

$\sf6 \times 100 = x \times 30$

Multiply the numbers

$\sf \: 600 = 30x$

Swap the sides of equation

$\sf \: 30x = 600$

Divide both sides of equation by 30

$\boxed{ \tt \: x = 20}$

3 0

3 years ago

Read 2 more answers

Brady bought 3 pieces of chicken that cost x dollars each, a salad for $3 and a drink for $2. If he spent $ 14, how much was eac

zzz [600]

Answer:9$

Step-by-step explanation:14-3+2=9

4 0

3 years ago