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ruslelena [56]
3 years ago
5

Please HELP solve : 4(y-3) + 9 - 3y

Mathematics
2 answers:
Alona [7]3 years ago
5 0

Answer:

y-3

Step-by-step explanation:

4(y-3) + 9 - 3y

Use distributive property for 4(y-3)

= 4y-12+9-3y

Then simplify

= 4y-3y-12+9

= y-3

amid [387]3 years ago
3 0
I hope it helps you get it right

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A swimming pool is 12 metres long. how many metres would you swim if you swam 8 lengths. ​
kati45 [8]

Answer:

96m

Step-by-step explanation:

12m * 8 = 96m

unless lengths are counted as to one side and back then it would be double 96

4 0
3 years ago
Read 2 more answers
You have a new pool and want to know its volume. The pool is 5 feet deep and has a radius of 7 feet. How much water can a pool h
leva [86]

Answer:

769.6902 (or 769.3) cubic feet of water

Step-by-step explanation:

πr^2

r = 7

5 x π(7)^2 = 769.6902 (or 769.3 using 3.14)

5 0
2 years ago
Any help would be appreciated. Thank you!
trapecia [35]

Answer:

Area =62.5\sqrt{6} square units

AB=5\sqrt{15} units

BC=5\sqrt{10} units

Step-by-step explanation:

In a right triangle the altitude drawn to the hypotenuse is the geometric mean of the segments at which this altitude divides the hypotenuse.

So,

BD^2=15\cdot 10\\ \\BD^2=150\\ \\BD=\sqrt{150}=5\sqrt{6}\ units

a. The area of the triangle ABC is

A_{ABC}=\dfrac{1}{2}\cdot BD\cdot AC=\dfrac{1}{2}\cdot 5\sqrt{6}\cdot (15+10)=\dfrac{125\sqrt{6}}{2}=62.5\sqrt{6}\ un^2.

b. The legs of the right triangle are geometric means of the segment adjacent to this leg and the hypotenuse, so

AB^2=AD\cdot AC=15\cdot 25\Rightarrow AB=5\sqrt{15}\ units\\ \\BC^2=CD\cdot AC=10\cdot 25\Rightarrow BC=5\sqrt{10}\ units

5 0
3 years ago
Please help. Could you explan your answer also? thanks
natulia [17]
Answer: Choice B) -4

The lower quartile, also known as Q1 or the first quartile, is the left edge of the box. In this case, that is at -4. We can drop a vertical line from the left edge of the box until we hit -4 on the number line. 

Side Note: 25% of the data values are below Q1, while 75% of the data values are above Q1
4 0
3 years ago
Carlos has 24 balls of different colors: yellow, red, green, and blue. 17 balls are not red,10 balls are neither yellow nor blue
olga55 [171]

Answer:

10 green

Step-by-step explanation:

24 total balls. 17 Not red, so 24-17=7. 7 Red balls. That leaves 17 balls. 10 of them are neither yellow nor blue, and since the amount of red balls has been figured out, we do not need to account for them. 17 balls - 10 not yellow or blue equals 7 balls that can be yellow or blue. 17 balls left, minus the 7 yellow or blue balls equals 10.

6 0
2 years ago
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