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3 years ago

Simplify the expression using the distributive property. 2(5c + 8)

Mathematics

1 answer:

Lina20 [59]3 years ago

3 0

Answer:

10c + 16

Step-by-step explanation:

You multiply 5c by 2 and get 10c, then mutiply

8 by 2 and get 16. Next, add those together and you get

10c + 16

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How many ways are there to choose a half dozen donuts from 10 varieties a)If there are no two donuts of the same variety.b)If th

777dan777 [17]

Answer:

If multiples are allowed (like "10 plain, two chocolate"), then for each of 12 donuts there are 21 possibilities.

That is 21 x 21 x 21 .... x 21 (12 terms in all) = 21^12

Step-by-step explanation:

7 0

4 years ago

Which of the following is true about the function y=4*3^x

Trava [24]

Answer:

option-c

Step-by-step explanation:

we are given

$y=4(3)^x$

we will verify each options

option-A:

we can see that exponent is over 3

and it is positive and greater than 1

so, this function is increasing

so, this is FALSE

option-C:

At x=1:

$y=4(3)^1$

$y=12$

At x=2:

$y=4(3)^2$

$y=36$

$\frac{y_2}{y_1} =\frac{36}{12}$

$\frac{y_2}{y_1} =3$

$y_2=3y_1$

So, it is getting tripled

so, this is TRUE

option-b:

we can plug x=0

$y=4(3)^0$

$y=4$

so, this is FALSE

option-d:

we can plug x=1

$y=4(3)^1$

$y=12$

so, this is FALSE

5 0

3 years ago

c. Find the equation of a straight line which passes through the point (4,4) and whose intercept on the x-axis is 5 times its in

Debora [2.8K]

Answer:

(4×5,4×5)=(20,20)

Step-by-step explanation:

formula =(

(X×a,X×b)

5 0

2 years ago

Whats the area of the figure ?

Morgarella [4.7K]

Answer:

82 square feet.

Step-by-step explanation:

You count the amount of 1ft x 1ft squares in the diagram and multiply that number by itself.

4 0

4 years ago

Can someone help me out?

White raven [17]

Answer: 15

Step-by-step explanation:

=(−5−4)2+(−4−8)2‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾√

d=(−5−4)2+(−4−8)2

=(−9)2+(−12)2‾‾‾‾‾‾‾‾‾‾‾‾‾‾√

d=(−9)2+(−12)2

=81+144‾‾‾‾‾‾‾‾‾√

d=81+144

=2‾√25

d=225

=15

7 0

3 years ago