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natima [27]
3 years ago
14

PLEASE HELP FOR BRAINLIEST! ;)

Mathematics
1 answer:
netineya [11]3 years ago
4 0

Answer:

The answer for 7 is 525

the answer for 8 is a) yes its a random sample and b) the question is not biased because the question is a wide topic with many possible answers.

Step-by-step explanation:

for 7 cross multiply 3000 over x and 200 over 35 and divide the fraction.

for 7, it's a random sample because a) you didn't ask all the boys and b) it's a wide topic with many answers.

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Harlamova29_29 [7]
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3 years ago
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8 0
3 years ago
If angles of a triangle are 2 is to 3 is to 4 is to .find the value of each angle​
Daniel [21]

Answer:

Angles of triangle are 40°,60° and 80°.

Step-by-step explanation:

Given:

if angles of a triangle are 2 is to 3 is to 4.

Let the common factor between the angles be 'x'.

So we can say that;

Angle 1 = 2x

Angle 2 = 3x

Angle 3 = 4x

We need to find the value of each angle.

Solution:

Now we know that;

"Sum of all angles of triangle is 180°."

framing in equation form we get;

Angle \ 1+Angle\ 2+Angle \ 3 =180

Substituting the values we get;

2x+3x+4x=180\\\\9x=180

Dividing both side by 9 we get;

\frac{9x}{9}=\frac{180}{9}\\\\x=20

Angle 1 = 2x=2\times20=40\°.

Angle 2 = 3x=3\times20=60\°

Angle 3 = 4x=4\times20=80\°

Hence Angles of triangle are 40°,60° and 80°.

7 0
3 years ago
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Maurinko [17]

Answer:

8

Step-by-step explanation:

The greatest common divisor or highest common factor can be found by considering the factors of the 3 numbers

factors of 8 are 1, 2, 4, 8

factors of 16 are 1, 2, 4, 8, 16

factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24

The common factors are 1, 2, 4, 8

the greatest common factor is 8

Thus the greatest common divisor of 8, 16 and 24 is 8

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4 years ago
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Hello: <span>
<span> an equation is : y =ax+b     ( a is a slope )

parallel to the line (q) :  y=6/5x-1        a =6/5 ( same slope )
the equation of (r) :  is : y = 6/5x+b</span></span>

the line through point  (5,5) :  5= (6/5)(5)+b ...b=-1

an  equation of (r) :  is : y = 6/5x-1

or : 6/5x-y = 1

6 0
3 years ago
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