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yan [13]
3 years ago
13

Will give brainliest! Probability

Mathematics
2 answers:
Brut [27]3 years ago
6 0

Answer:

1/49

Step-by-step explanation:

1/7 times 1/7 = 1/49

alex41 [277]3 years ago
3 0

Answer:

1/49

Step-by-step explanation:

You wrote the problem correctly.  You just needed to multiply instead of add.

1/7*1/7=1/49

So the answer is 1/49.

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(x-7y=-21<br> 12x – 4y= -42
patriot [66]
the answer is x-7y+21=0
8 0
3 years ago
1) 5k = 27<br> Solve equation and proportion
Rzqust [24]

Answer:

k = 27/5

Step-by-step explanation:

Divide 5 on bot sides

5k/5 = 27/5

k= 27/5

so, k = 27/5 OR 5.4

3 0
3 years ago
3. The width of a rectangle is 4 feet less than the length. The area is
mina [271]

Answer:

L = 6, w = 2

Step-by-step explanation:

Let w = width of rectangle

Let L = length of rectangle

w = L - 4

Area of rectangle = Lw

L (L - 4) = 12

L^2 - 4L = 12

L^2 - 4L - 12 = 0

(L - 6)(L + 2) = 0

L - 6 = 0

L = 6 (the other option doesn't work because dimensions can't be negative)

w = L - 4

w = 6 - 4

w = 2

Double check

A = Lw

A = 6 x 2

A = 12

It matches so we are right.

6 0
3 years ago
I need an answer to this big question
Kisachek [45]

Answer:

RS + ST = RT

23 - 2x     +     9x - 5     =     39

18 + 7x = 39

7x = 39 - 18 = 21

x= 21/7

x = 3

RS = 23 - 2x (given)

RS = 23 - 2(3)

     = 23 - 6

RS = 17

5 0
3 years ago
Help, ill mark brainliest
ASHA 777 [7]

Answer: FIRST OPTION.

Step-by-step explanation:

First, it is important to remember that the Slope-Intercept form of the equation of a line is the shown below:

y=mx+b

Where "m" is the slope of the line and "b" is the y-intercept.

By definiton, given a System of Linear equations, if they are exactly the same line, then the System of equations have Infinely many solutions.

In this case you have the following System of Linear equations given in the exercise:

\left \{ {{y=-2x+5} \atop {y=ax+b}} \right.

So, since you need the system has Infinite solutions, you know that the slope and the y-intercept of both lines must be equal.

Therefore, you can identify that the value of "a" and "b" must be the following:

a=-2\\\\b=5

So the Linear System would be the shown below:

\left \{ {{y=-2x+5} \atop {y=-2x+5}} \right.

3 0
3 years ago
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