3 years ago

In the figure below, points A, B, and C are ______ points because they lie on the same line.

Mathematics

1 answer:

Nutka1998 [239]3 years ago

5 0

Answer:

A, B, C are Collinear points

Step-by-step explanation:

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ABCD is a square. The perimeter is 200 ft. AB = 5x + 20. Find the value of x.

Naddik [55]

Answer:

x=6

Step-by-step explanation:

Each side equals 50ft. 5x+20=50

minus 20 on both sides

5x=30

divide by 5 on both sides

x=6

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1 year ago

Which of the following represents the slope and y-intercept of the line?

Luba_88 [7]

Answer:

try hard

Step-by-step explanation:

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3 years ago

Show working these two questions

Tresset [83]

Answer:

4(1- 2x)

h = 9 cm

Step-by-step explanation:

4 - 8x

= 4(1- 2x)

$A(\triangle ABC) = \frac{1}{2} \times AB\times h$

$27= \frac{1}{2} \times 6\times h$

$27= 3\times h$

$h =\frac{27}{3}$

$h =9 \: cm$

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2 years ago

What is the value of b? A.6 B.2sqr 13 C.3sqr13 D.3sqr14

Delicious77 [7]

Answer:

En este caso 70 ° y 20 ° son complementarios porque 70° + 20° = 90°.

Más ejemplos podrían ser 47° y 43°, ya que 47° + 43° = 90°, 30° y 60°, 45° y 45° , etc.

Dos ángulos son suplementarios si su suma forma un ángulo llano, es decir, 180°.

4 0

3 years ago

There are 10 kids on the math team. Two kids will be selected from the team to compete in the state competition. How many ways a

patriot [66]

Answer:

45 ways

Step-by-step explanation:

Total number of kids = 10

We have to select the 2 kids

So the number ways to select two kids $^{10}C_2$

We know that $^{n}C_r=\frac{n!}{r!(n-r)!}$

So $^{10}C_2=\frac{10!}{2!(10-2)!}=\frac{10!}{2!\times 8!}=\frac{10\times 9\times 8!}{2\times 8!}=45$

So there are 45 ways to select 2 competitors

8 0

3 years ago