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2 years ago

Sorry if you can’t read it but help! If you can

Mathematics

2 answers:

nikdorinn [45]2 years ago

7 0

Answer:

Step-by-step explanation:

The interquartile range of 20~40 is 150-110 = 40

The interquartile range of 50~40 is 125-95 = 30

drek231 [11]2 years ago

3 0

Answer:

I believe that it is D

Step-by-step explanation:

A is wrong...

B is wrong (I believe)...

C is wrong...

So D is the only answer choice left.

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Why must one leg of a triangle that the Pythagorean triple represents need an even-numbered length?

pashok25 [27]

Most of the square numbers are even.so if we need to find root over we need an even number to convert it to perfect square.

See the example below

$\\ \ast\bull\rm\longmapsto H^2=P^2+B^2$

$\\ \ast\bull\rm\longmapsto H^2=3^2+4^2$

$\\ \ast\bull\rm\longmapsto H^2=9+16$

$\\ \ast\bull\rm\longmapsto H^2=25$

$\\ \ast\bull\rm\longmapsto H=\sqrt{25}$

$\\ \ast\bull\rm\longmapsto H=5$

Some other triplets are

(6,8,10)
(5,12,13)
(8,15,17)

6 0

1 year ago

FInd mPQ <br> Geometry question, circles, arc length, chord length,

Fed [463]

Answer:

$\text{B. }26}$

Step-by-step explanation:

Since $\overline{PN}$ and $\overline{PQ}$ are equal, we can set them equal to each other:

$7x+5=10x-4,\\9=3x,\\x=3$

Substitute $x=3$ to solve for $\overline{PQ}$ :

$\overline{PQ}=10(3)-4=\boxed{\text{B. }26}}$

3 0

2 years ago

How the use a parentheses in an equation affect the answer

seraphim [82]

Parentheses affect how equations are done.

EX. 1+1*4
4+1=5

VS

(1+1)*4
2*4=8

5 0

2 years ago

Convert this rational number

Olegator [25]

Answer:

0.25

Step-by-step explanation:

1 divided by 4 = 0.25

8 0

2 years ago

Solve the equation.1/2 a = 2/3

lana [24]

All you have to do is divide 1/2 from both sides to leave a by itself , you will get 1.2

3 0

2 years ago