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3 years ago

There is more than one (1) plane that can go through three collinear points. true or false?

Mathematics

1 answer:

BARSIC [14]3 years ago

6 0

The correct answer I think is true, I’m not forsure so you might have to double check

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The perimeter of a rectangle is 360m. If it's length is decreased by 20% and it's breadth is increased by 25%, we get the same p

ladessa [460]

Answer:the length of the rectangle is 100m

the width of the rectangle is 80m

Step-by-step explanation:

Let L represent the length of the rectangle.

Let W represent the width of the rectangle.

The formula for determining the perimeter of a rectangle is expressed as

Perimeter = 2(L + B)

The perimeter of a rectangle is 360m. This means that

2(L + B) = 360

L + B = 180 - - - - - - - - - -1

If it's length is decreased by 20%, its new length would be

L - 0.2L = 0.8L

it's breadth is increased by 25%, it means that the new breadth

B + 0.25B = 1.25B

Since the perimeter remains the same,

2(0.8L + 1.25B) = 360

0.8L + 1.25B = 180 - - - - - - - - -2

Substituting L = 180 - B into equation 2, it becomes

0.8(180 - B) + 1.25B = 180

144 - 0.8B + 1.25B = 180

- 0.8B + 1.25B = 180 - 144

0.45B = 36

B = 36/0.45 = 80

L = 180 - B = 180 - 80

L = 100

6 0

3 years ago

Simple interest.<br><br> 2700=2200(1+r)^5

kykrilka [37]

Solve your equation step-by-step.

2700=2200(1+r)^5

Flip the equation.

2200(r+1)^5 = 2700

Divide both sides by 2200.

2200(r+1)^5 / 2200 = 2700 / 2200

(r+1)^5=27/22

Solve Exponent.

(r+1)^5=27/22

((r+1)5) ^1/5 = (27/22)^1/5 (Raise both sides to power)

r+1=1.041809

r+1−1=1.041809−1(Subtract 1 from both sides)

r = 0.041809

Check answers. (Plug them in to make sure they work.)

r = 0.041809 (Works in original equation)

5 0

4 years ago

Read 2 more answers

Which expressions go in which box?

almond37 [142]

To qualify as a polynomial, the expression in question:
* Consists of one or more terms
* Variables are only with positive whole exponents
* No variables in the denominator of any term (the coefficients however, can be fractions.)

In that case the answer is most likely:

3 0

3 years ago

The points (6,8) and (5,5) fall on a particular line.

Doss [256]

Answer:

y=3x-10

Step-by-step explanation:

To find equation of the line passing through points

and A(xa, ya) and B(xb, yb)

, we use formula: y-ya = yb-ya/xb-xa (x-xa)

In this example we have xa=

6 ,ya=

8 , xb=5

and yb=5

. So,

y-ya= yb-ya / xb-xa (x-xa)

y-8 = 5-8/ 5-6 (x-6)

y-8= 3(x-6)

y-8= 3x-18

y-8= 3x-10

y = 3x - 10

8 0

3 years ago

(to questions)what is the total mass of an average mans brain and heart in kilograms(kg)

Nata [24]

1 7/10 kg

Hope this helps! (:

6 0

3 years ago