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Len [333]
3 years ago
14

Solve: 3 x (3 + 12/3)-4=​

Mathematics
2 answers:
geniusboy [140]3 years ago
7 0

Answer:

13

Step-by-step explanation:

Zarrin [17]3 years ago
5 0

Answer:

I get 17.

Step-by-step explanation:

Reduce the fraction:

3 ( 3 + 4 ) - 4

Add the numbers:

3 x 7 - 4

Multiply the numbers:

21 - 4

Subtract the numbers:

17

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-3(4s-1)-3=-3(6s+6)-3
OlgaM077 [116]

Answer:

I think its 6 not sure

Step-by-step explanation:

5 0
2 years ago
What is the mean in math?
sertanlavr [38]
Adding all vakus in data set and divide by the number of values in the data set
3 0
3 years ago
Read 2 more answers
What is the measure of z?
Ymorist [56]

Solving a system of linear equations, we conclude that the measure of side Z is 2√13

<h3>How to find the measure of side Z?</h3>

Remember the Pythagorean theorem. It says that the square of the hypotenuse is equal to the sum of the squares of the legs.

In the image, we can identify 3 right triangles, and with the Pythagorean theorem, we can write a system of 3 equations.

x^2 = y^2 + 4^2

z^2 = y^2 + 9^2

(4 + 9)^2 = z^2 + x^2

We want to solve that for z.

Now, the second equation can be rewritten to:

y^2 = z^2 - 9^2

Now let's replace the first equation into the third one, so we get:

(4 + 9)^2 = z^2 + (y^2 + 4^2)

Now we can replace y^2 by z^2 - 9^2

(4 + 9)^2 = z^2 + ((z^2 - 9^2) + 4^2)

Now we can solve this:

(13)^2 = z^2 + z^2 - 9^2 + 4^2

(13)^2 + 9^2 - 4^2 = 2*z^2

104/2 = z^2

52 = z^2

√52 = z

√(4*13) = z

√4*√13 = z

2√13 = z

We conclude that the measure of side Z is 2√13

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

8 0
1 year ago
7metros mas 9.40 metros​
Tresset [83]

Answer:

I don't know

Step-by-step explanation:

4 0
3 years ago
Which of the fallowing shows the numbers in the box below listed in increasing order? 1/2, 1.2, -2, 3/7 pls helpppp quick
Vladimir79 [104]

Answer:

-2, 3/7, 1/2, 1.2

Step-by-step explanation:

Increasing == least to greatest in value.

-2 = -2

3/7 = 0.429

1/2 = 0.5

1.2 = 1.2

8 0
2 years ago
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