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PSYCHO15rus [73]
3 years ago
14

Sevens sixteenths of the children smirked when they heard the joke. If 210 children smirked, how many children heard the joke?

Mathematics
2 answers:
cestrela7 [59]3 years ago
5 0
7/16 total = 210
Method 1 (the fast method):
(invert 7/16)
16/7 x 210 = 480

Ans: 480

Method 2 (the other method):
7/16 total = 210
1/16 total = 210/7 = 30
16/16 total = 16x30 = 480

Ans: 480



cupoosta [38]3 years ago
3 0
Take 716 minus by 210 you going to see a much the children joke
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Alex17521 [72]

Answer:

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Step-by-step explanation:


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3 years ago
What’s the value of this expression?<br><br> 6x4-(5+3) dividend by 2
solong [7]

Answer:

20

Step-by-step explanation:

If you use PEMDAS(Parentheses, Exponents, Multiplication, Division, Addition, Subtraction) you would take care of what's in the parentheses, so you would at 5 and 3 to get 8. Then you would multiply 6 and 4 to get 24, so far your equation looks like this 24 - 8 ÷ 2. You then divide 8 by 2 to get 4 then subtract 24 from 4 to get 20.

8 0
3 years ago
On a loan of $1200 at 15% annual interest, Shirley had to pay $135 interest. For how many months did she have the loan?
natulia [17]

Answer:

<u><em>9 months</em></u>

Step-by-step explanation:

Principal= P= $1200

Rate=R= 15%

Interest= I= $135

Time= T= ?

I=P*R*T/100

135= 1200*15*T/100

135*100=18000*T

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3 0
3 years ago
Read 2 more answers
What is the length of the altitude of the equilateral triangle below
ale4655 [162]
Using Sine.

Sine = Opposite / Hypotenuse

sin 60° = a / (6√3)                        But sin60° = √3/2

√3/2 = a/(6√3)

Cross multiply

2*a = 6√3 * √3

2a = 6 * √(3*3)

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Option E.

Hope this helps.
4 0
3 years ago
What is
Sergeeva-Olga [200]

Answer:

Standard form of the equation is:

∴ 3x+y=23

Step-by-step explanation:

Given equation:

y-2=-3(x-7)

To convert the given equation to standard form of equation:

A(x)+B(y)=c

Using distribution.

y-2=(-3x)+(-3\times-7)

y-2=-3x+21

Adding 2 both sides.

y-2+2=-3x+21+2

y=-3x+23

Adding 3x to both sides.

3x+y=3x-3x+23

∴ 3x+y=23

6 0
3 years ago
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