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algol [13]
2 years ago
14

Distributive property Use the distributive property to remove the parentheses .{y+10}12=

Mathematics
2 answers:
malfutka [58]2 years ago
5 0

Answer:

12y + 120

Step-by-step explanation:

<u>First of, what is the distributive property?</u>

The distributive property is the property that helps distribute numbers under the parenthesis.

For example, lets use {x+1}4. You distribute the 4 towards the x and the one like this:

4(x) + 1(4)

4x + 4

Now, let's go back to your problem

<u>Solution:</u>

{y+10}12

12(y) +12(10)

= 12y + 120

<em>Hope this helps! Make sure to give me the brainliest answer since it would be greatly appreciated! Thank You! </em>

Nonamiya [84]2 years ago
3 0
Since this is the Distributive Property, you have to multiply 12 to both numbers because it’s on the outside, 12(y) + 12(10). And after doing that, your answer is going to be 12y + 120. I hope this helps :)
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The track and field coach records Ian's 400-meter race times during three practices. How much greater was the percent of change
BigorU [14]

Answer:

d.  1.5%

Step-by-step explanation:

Given - The track and field coach records Ian's 400-meter race times during three practices.

Practice        1          2           3

Time (s)         63       60        58

To find - How much greater was the percent of change from Practice 1 to Practice 2 than from Practice 2 to Practice 3? Round to the nearest tenth.

a. 7.9%

b.  4.8%

c.  3.3%

d.  1.5%

Proof -

% change from Practice 1 to Practice 2 change = \frac{60 - 63}{63}. 100%

                                                                           = -\frac{3}{63}.100% = - 4.761904762 %

⇒% change from Practice 1 to Practice 2 change = - 4.762 %

Now,

% change from Practice 2 to Practice 3 change = \frac{58 - 60}{60}. 100%

                                                                           = -\frac{2}{60}.100% = - 3.334 %

⇒% change from Practice 2 to Practice 3 change = - 3.3334 %

So,

- 4.461904762% - (- 3.3334%) = -4.461904762 + 3.3334 % = -1.4285 % ≈ 1.5%

∴ we get

Value = 1.5%

The correct option is - d.  1.5%

4 0
3 years ago
HELP PLZ!!! this is a very difficult question
antoniya [11.8K]

Answer:

251.2 cm²

Step-by-step explanation:

Area of cylinder=2πrh+2πr^2

which is also=2πr(r+h)

applying formula

area=251.2 cm²

hope this helps plzz mark me brainliest

6 0
2 years ago
What is the radius of a sphere that has a surface area of 951.1 in2?
dusya [7]

Answer:

FORMULA FOR SURFACE AREA OF SPHERE = 4 pi r^2  

r = 6 " area = 4 pi X 6 X 6 = 144 pi " squared  

r = 12 "  

area = 4 X pi X 12 X 12 = 576 pi" squared  

ANSWER Area will be 4 times the original

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Solve the simultaneous equations <br> 3 x + 2 y = 18 <br> 3 x + y = 12
natulia [17]

Answer:

x=2 , y=6

Step-by-step explanation:

        3 x + 2 y =    18

        3 x +     y =   12

     (-)       (-)         (-)

-------------------------------------------

                     y =    6

                 

3x+6=12

=>3x=12-6

=>3x=6

=>x=6/3

=>x=2

8 0
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What is the slope of (9,6) (21,14)
Delvig [45]
You would write m= y2 -y1/x2-x1 so the answer would be 8/12
5 0
3 years ago
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