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Talja [164]
3 years ago
12

Liam, Sarah and Emily shares some money in the ratio 2:3:7.

Mathematics
1 answer:
nignag [31]3 years ago
3 0

Answer:

Emily got 7x

Liam got 2x

7x = 2x + 80

5x = 80

x = 16

Liam got 32, <u>Sarah got 48</u>, and Emily got 112

Step-by-step explanation:

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Graph a line with a slope of -3 that contains the point (4, -2)
Crank

Answer:

Step-by-step explanation:

Given that

Slope m=-3

A point (x, y)=(4,-2)

Equation of a line can generally be written as

y=mx+c

Where, m is the slope

And c is the intercept on y-axis

Since we are given m=-3

Then, y=mx+c becomes

y=-3x+c

To get c, let substitute the point given, i.e x=4 and y=-2

y=-3x+c

-2=-3(4)+c

-2=-12+c

-2+12=c

c=-2+12

c=10

y=mx+c, then m=-3 and c=10

Then, the equation the line becomes y = -3x + 10

This is the required line equation

5 0
3 years ago
90 POINTS| PLEASE ANSWER ASAP|
shtirl [24]

For A:

You add the probabilities to get the answer to A: = .75, or 3/4

Note that the probability of ALL THREE of them hitting would be 1/3 x 1/4 x 1/5.

For B:

2/3 and 3/4 is the probability of the other two people MISSING (the remainder of 1/3, 1/4)

1.0 = 100% chance to hit the target, so 1.0 x 2/3 x 3/4 = 1/2

Mark's chance of hitting is 1/5, so do 1/2 x 1/5, = 1/10

5 0
3 years ago
The three trigonometric functions can be used to calculate unknown side lengths and angles in which type of triangle(s)?
Mama L [17]
Triangles with a 90 degree angle. We use the sine, cosine and tangent functions to determine the missing angles and sides.
5 0
2 years ago
Read 2 more answers
27x^2y^4÷16yz^4×8z÷9xy^4
arlik [135]

I think that the answer is 3x/2yz^3 because I did [(27x^2y^4/16yz^4)*(8z/9xy^4)].

8 0
3 years ago
What is the y coordinate in the solution for the system of linear equations below
Natali5045456 [20]

Answer:

y=6

Step-by-step explanation:

use elimination by making the ys opposite in value and eliminating them from the equation so there is only variable:

-3x+2y=6

2(4x-y=2)

-3x+2y=6

8x-2y=4

Combine like terms and divide by 5 on both sides.

5x=10

x=2

Plug x in to find y:

4(2)-y=2

8-y=2

y=6

5 0
3 years ago
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