Solve :
8-(4c-5)=11

Answers

Answer 1

Answer: 8−(4c−5)=11
8+−1(4c−5)=11
8+−1(4c)+(−1)(−5)=11
8+−4c+5=11
(−4c)+(8+5)=11
−4c+13=11

−4c+13−13=11−13
−4c=−2
−4c divided by−4 = −2 divided by −4
c=1/2

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At a benefit concert, fourteen bands have volunteered to perform but there is only enough time for six of the bands to play. How many lineups are possible?

Answers

There are 2,162,160 possible combination that could be made if there are 14 bands and only 6 slots available. This is computed using factorial. By using factorial we first need to identify the number of band and the number of slots available. It could be express as 14! - 8! or 14 x 13 x 12 x 11 x 10 x 9, which is equal to 2,162,160 combination.

Diana usually drives at average rate of 30 mph.If Diana drives for two hours with the speed of x mph, what distance will she cover?
PLZZZZZZZZZZZZZ HELP QUICK I WILL MAKE BRAINLIST

Answers

The total distance would be 60 miles traveled by Diana drives for two hours with a speed of 30 mph.

What is Average speed?

Average speed is defined as the ratio of the total distance traveled by a body to the total time taken for the body to reach its destination.

We have been given that Diana usually drives at an average rate of 30 mph.

she drives for two hours with the speed of 30 mph,

To determine the distance will she cover

Average speed = total distance / total time

Here total time = two hours and the average speed = 30 mph

30 mph = total distance / two hours

total distance = 30 × 2

total distance = 60 miles

Therefore, the total distance would be 60 miles traveled by Diana drives for two hours with a speed of 30 mph.

Learn more about the average speed here :

brainly.com/question/12322912

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Answer: 2x

Step-by-step explanation

Its 2x because we dont know the speed so we just put the x and the 2 is the hours so its 2x.

A circle has an area of 75 square centimeters. Which answer is closest to the measure of its radius?

Answers

The formula of the area of a circle is
A = $\pi$ r²

75 cm² = $\pi$ r²
Divide by $\pi$ on either sides to isolate r

$(75)/( \pi )$ = $( \pi r^2)/( \pi )$
$\pi$ and $\pi$ cancels out

23.89 = r²
Take square roots to cancel power of two
$√(23.89)$ = $√(r^2)$
4.89 cm ≈ r
I dont know if the question had any options, but this is how we do it.

Answer:

4.9 for short

Step-by-step explanation:

The endpoints of on are located at O(1, 2) and N(3, 1). Using slope-intercept form, write the equation of line on.

Answers

y = -1/2x +2 1/2
General equation;
y = mx + c

Calculating the slope;
Change in y/ (change in x) = gradient m

(2-1)/(1-3) = - 1/2

Replacing m gives;
y= -1/2x + c

Calculating the value of c
take point (1,2) above and replace y with 2 and x with 1
2=-1/2 *1 +c
c = 2 1/2
Equation then is
y = -1/2x +2 1/2

Can someone PLEASEE help ?!:))