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3 years ago

12

Courtney wants to carpet part of her bedroom that is shaped like a right triangle with base of 4.8 and height 5.2 meters. How mu

ch carpet will she need?

1 answer:

trapecia [35]3 years ago

4 0

You will probably need to multiply them together.

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Suppose you have a bag containing 2 black marbles and 3 red marbles. You reach into the bag, select a marble, see what color it

TiliK225 [7]

Answer:

$\dfrac{9}{25}$

Step-by-step explanation:

Given that the bag contains black and red marbles.

Number of black marbles in the bag = 2

Number of red marbles in the bag = 3

Total number of marbles in the bag = Number of black marbles + Number of red marbles = 2 + 3 = 5

Let us have a look at the formula for probability of an event E, which can be observed as:

$P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}$

$P(\text{First red marble}) = \dfrac{\text{Number of red marbles}}{\text{Total number of marbles}} = \dfrac{3}{5 }$

Now, the marble chosen at first is replaced.

Therefore, the count remains the same.

$P(\text{Second red marble}) = \dfrac{\text{Number of red marbles}}{\text{Total number of marbles}} = \dfrac{3}{5}$

Now, the <em>required probability</em> can be found as:

$P(\text{First red marble})\times P(\text{Second red marble}) = \dfrac{3}{5}\times \dfrac{3}{5} = \bold{\dfrac{9}{25} }$

3 0

3 years ago

PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!

jasenka [17]

Simplified it should be 4x^10y^8

3 0

3 years ago

Which number line represents the solution set for the inequality –1/2x ≥ 4?

satela [25.4K]

The third dot is my answer. But don't take it for granted. Try it yourself and see what you come out with!

8 0

3 years ago

Find the value of x. *BRAINLIEST*<br><br> A. 10<br> B. 8.3<br> C. 7<br> D. 5

bekas [8.4K]

3x-5 is a midline of that triangle so:

$3x-5=\dfrac{1}{2}\cdot20\\\\\\3x-5=10\\\\3x=15\quad|:3\\\\\boxed{x=5}$

Answer D.

3 0

3 years ago

Mia's office recycled a total of 9 pounds of paper over 3 weeks. After 7 weeks, how many pounds of paper will Mia's office have

tankabanditka [31]

Answer:

21

Step-by-step explanation:

average 9 pounds per three weeks

divide 9 in 3 three weeks

3 pounds per week

7 times 3 is 21

5 0

3 years ago