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zhannawk [14.2K]
3 years ago
11

Helpppppppp me!!!!! Please

Mathematics
1 answer:
zaharov [31]3 years ago
6 0

Answer:

27.5

Step-by-step explanation:

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If the price of 1 dozens of apples is Rs 84, find the price of 4 apples.​
Alexxx [7]

Answer:

The price of 4 apples is Rs 28

Step-by-step explanation:

The price of 1 dozen apple is Rs 84

12 apples =Rs 84

1 apple = Rs 84÷12

1apple =Rs 7

Again

Price of 4 apples = Rs 7 × 4

= Rs 28 Ans,,

3 0
3 years ago
Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 36. How old is each sister?
expeople1 [14]
K = 2s
k + s = 36
2s + s = 36
3s = 36
s = 12
5 0
3 years ago
21/7+3/7(3x−5)=−4
Lostsunrise [7]
21/7 + 3/7(3x - 5) = -4
21/7 + 9/7x - 15/7 = -4.....multiply everything by 7
21 + 9x - 15 = - 28
9x + 6 = -28
9x = -28 - 6
9x = - 34
x = -34/9 or - 3 7/9
7 0
4 years ago
Read 2 more answers
Part 1<br> Simplify each fraction. Some fractions can be simplified more<br> than once.<br> 66/108
levacccp [35]

Answer:

11/18

Step-by-step explanation:

divide the numerator and denomonater by the GCD, whic is 6.

then you would get the reduced fraction of 11/18

4 0
3 years ago
A point P lies on the line with equation y= 4-3X. The point P is a distance √34 from the origin. Find the two possible positions
Oksi-84 [34.3K]

The two possible positions of point P are:

(3, -5) and (0.6, 5.8)

<h3>How to find the two possible positions of point P?</h3>

We know that point P lies on the line:

y = 4 - 3*x

And that the distance between P and the origin is √34, then if the coordinates of point P are (x, y), we have that:

\sqrt{34} = \sqrt{x^2 + y^2}

Now, we can replace "y" in the distance equation by the linear equation, and also remove the square roots:

34 = x^2 + (4 - 3x)^2

Now we can solve the quadratic equation for x:

34 = x^2 + 9x^2 + 16 - 24x\\\\10x^2 - 24x - 18 = 0\\\\

The solutions are:

x = \frac{24 \pm \sqrt{(-24)^2 - 4*10*(-18)} }{2*10} \\\\x = \frac{24 \pm36}{20}

So the two solutions are:

x = (24 + 36)/20 = 3

x = (24 - 36)/20 = -0.6

To get the points, we need to evaluate y on these values:

y = 4 - 3*3 = -5   So we have P = (3, -5)

y = 4 - 3*(-0.6) = 2.2 So we have the point (0.6, 5.8)

There are the two possible positions of point P.

If you want to learn more about quadratic equations:

brainly.com/question/1214333

#SPJ1

5 0
2 years ago
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