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3 years ago

Yo please help me with math and please explain

Mathematics

1 answer:

olya-2409 [2.1K]3 years ago

4 0

Answer:

the mode

Step-by-step explanation:

hope this helps ;)

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Triangle

kotegsom [21]

Answer:

12°

Step-by-step explanation:

it is a ratio let represent by x

6x+5x+4x=180

15x=180

x=12°

5 0

3 years ago

Express the following in scientific notation:<br> .000457

WARRIOR [948]

Answer:

4.57 x $10^{4}$

Step-by-step explanation: use ma th way next time and use it to see the steps

6 0

3 years ago

Read 2 more answers

Suppose that Y varies directly with X and Y equals 12 when X equals -2 what is X when Y equals -6

zloy xaker [14]

Answer:

X = 1

Step-by-step explanation:

Y : X

12 : -2

Id we divide both sides by -2 than it would look like this

-6 : 1

So when Y is equal to -6, X is equal to positive 1

5 0

3 years ago

If the area of square 1 is 250 units squared, and the area of square 3 is 120 units squared, what is the area if square 2? Expla

Lerok [7]

Answer:

The area of square 2 is 130 units square

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The area of a square is

$A=b^{2}$

where

b is the length side of the square

Let

b1 ----> the length side of square 1

b2 ----> the length side of square 2

b3 ----> the length side of square 3

Applying the Pythagoras Theorem

$b1^{2}=b2^{2}+b3^{2}$ -----> equation A

we have

$A1=250\ units^2$

$A3=120\ units^2$

Remember that

$A=b^{2}$

$A1=b1^2=250\ units^2$

$A3=b3^2=120\ units^2$

substitute in the equation A and solve for b2^2

$250=b2^{2}+120$

$b2^{2}=250-120$

$b2^{2}=130$

$A2=b2^{2}$

therefore

The area of square 2 is 130 units square

8 0

3 years ago

From a phone survey, a researcher determined that the true estimate for the proportion of voter who will elect the mayor is like

laiz [17]

The margin of error is half the width of the confidence interval:
$M.o.E.=\frac{0.47-0.39}{2}=0.04$
The margin of error is 0.04 or 4%.

8 0

3 years ago