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3 years ago

Which expression is equal to 3(5+6)? A. 15 + 18 B. 15 + 6C. 5 + 18 D. 3 + 11

Mathematics

2 answers:

NARA [144]3 years ago

6 0

A. 15+18 is the correct answer by using distribution property

Mariana [72]3 years ago

5 0

The answer would be A. because for this problem: 3(5+6)

What i did was i multiplied 3 and 5 which gave me 15 and then took the 3 again and multiply it by 6 which gave me 18. So your answer should be A. 15+18

Hope this helped. :)

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Choose two correct answers

OlgaM077 [116]

I’ll would go with C&D

C&D the only answer that makes sense

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3 years ago

Sarah rolls a die twice. What is the probability that she rolls a 3 and then an even number?

vekshin1

Answer:

A) 1/12

Step-by-step explanation:

The sample space of rolling a die is { 1,2,3,4,5,6}

P (getting 3)= The number of "3"'s in the sample space over the number of items in the sample space

P (getting a 3} = 1/6

P (getting even)= The number of evens in the sample space over the number of items in the sample space

P (getting an even} = 3/6= 1/2

Since these are independent events, we multiply the probabilities

P(3, even) = 1/6 * 1/2 = 1/12

6 0

3 years ago

Read 2 more answers

PLZZZ NEED HELP!!!!!

cluponka [151]

Ah usatestprep ok 90% of awnsers are C so pick C

5 0

3 years ago

Television sizes are described by the length of their diagonal measure. What would be the listed size of the TV shown? (to the n

Lisa [10]

The answer is, B

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7 0

4 years ago

Read 2 more answers

If two points known on the line AB in the coordinate plane is (7,15) and (18,42), calculate the following..

Ksju [112]

Answer:

Slope = 27/11
AB = 29.15 u

Step-by-step explanation:

Given :-

Two points are given to us .
The points are A(7,15) and B(18,42)

To Find :-

The slope of the line .
The length of line AB .

We can find the slope of the line passing through the points $( x_1,y_1)$ and $( x_2,y_2)$ as ,

$\implies m = \dfrac{ y_2-y_1}{x_2-x_{1}}$

Plug in the respective values ,

$\implies m = \dfrac{ 42-15}{18-7} \\\\\implies \boxed{ m = \dfrac{ 27}{11 }}$

Hence the slope of the line is 27/11 .

$\rule{200}2$

Finding the length of AB :-

We can find the distance between them by using the Distance Formula .

$\implies Distance =\sqrt{ (x_2-x_1)^2+(y_2-y_1)^2} \\\\\implies Distance =\sqrt{ (18-7)^2+(42-15)^2 } \\\\\implies Distance =\sqrt{ 11^2 + 27^2 } \\\\\implies Distance =\sqrt{ 121 + 729 } \\\\\implies Distance = \sqrt{ 850} \\\\\implies \boxed{ Distance = 29.15 \ units }$

Hence the length of AB is 29.15 units .

5 0

3 years ago