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Natalija [7]
2 years ago
14

Use properties of multiplication to show why 4 x 50 = 8 x 25.

Mathematics
1 answer:
nikdorinn [45]2 years ago
5 0

Given:

4\times 50 =8\times 25

To find:

The steps to prove the given statement by using the properties of multiplication.

Solution:

We have,

4\times 50 =8\times 25

Taking left hand side, we get

LHS=4\times 50

LHS=4\times (2\times 25)

LHS=(4\times 2)\times 25     (Associative property of multiplication)

LHS=8\times 25

LHS=RHS

Hence proved.

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P(A) = .6, P(B) = .3, P(Β | A) = .5
Reika [66]

Answer:

A

Step-by-step explanation:

P(B|A)=\frac{A ~and~B}{P(A)} \\0.5=\frac{P(A and B)}{0.6} \\P(A~and~B)=0.5 \times 0.6=0.30

8 0
2 years ago
Identify the domain of the function shown in the graph. HELP​
pochemuha
A is the answer domain is the x
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3 years ago
Find x, y, and z.<br><br> Show all of your work for full credit.
Stella [2.4K]
If you can't read it, I'll do my best to translate:
Z) 10^2 + 5^2 = 125
√125 = 11.18 = Z

Y) tan-1(5/10) = 26.57°
90 + 26.57 = 116.57
180 - 116.57 = 63.43°
5 ÷ sin(63.43) = 8.88 = Y

X) 11.18^2 + 8.88^2 = 203.8468
√203.8468 = 14.28
14.28 - 10 = 4.28 = x

All numbers are rounded to 2 decimal places, if you need any explanations for why I did something then just let me know :)
I hope this helps!

7 0
3 years ago
Which expression gives the measure of Z RST in the diagram below?
allochka39001 [22]

Answer:

Your answer should be C. 1/2(162 - 38)

Step-by-step explanation:

7 0
3 years ago
Which expression represents the expression 20 x − 10 20 ⁢ x - 10 after it has been factored completely? A. 2 ( 10 x − 5 ) 2 ⁢ (
son4ous [18]

Answer:

A. 2 ( 10 x − 5 )

D. 10 ( 2 x − 1 )

Step-by-step explanation:

Given expression:

20x − 10

Find the equivalent expression

Check all that applies

A. 2 ( 10 x − 5 )

= 20x - 10

B. 2 ( 2 x − 1 )

= 4x - 2

C. 10 ( 20 x − 10 )

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D. 10 ( 2 x − 1 )

20x - 10

The correct options are

A. 2 ( 10 x − 5 )

D. 10 ( 2 x − 1 )

7 0
3 years ago
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