All categories

3 years ago

The perimeter of a rectangle is 34 feet. if the length is 2 more than 4 times the width, find the dimensions of this rectangle

Mathematics

1 answer:

kvv77 [185]3 years ago

8 0

First you substitute the L value so that it equals w values. So 2(4w+4)+2w=34. Then solve for w=3 and L=14

You might be interested in

A cab charges $1.45 for a flat fee and $0.55 for each mile. write and solve an inequality to determine how many miles Ariel can

BigorU [14]

35-1.45=33.55
33.55/0.55=62
61 Miles

7 0

3 years ago

The perimeter of a triangle is 50 feet. One side of the triangle is 4 times the second side. The third side is 14 feet longer th

shutvik [7]

Idk idk idfk idk idk 124

8 0

4 years ago

The thickness of a flange on an aircraft component is uniformly distributed between 0.95 and 1.05 millimeters. (a) Determine the

maxonik [38]

Answer:

a) 0.5 = 50% of flanges exceed 1 millimeter.

b) A thickness of 0.96 millimeters is exceeded by 90% of the flanges

Step-by-step explanation:

A distribution is called uniform if each outcome has the same probability of happening.

The uniform distributon has two bounds, a and b, and the probability of finding a value higher than x is given by:

$P(X > x) = \frac{b - x}{b - a}$

The thickness of a flange on an aircraft component is uniformly distributed between 0.95 and 1.05 millimeters.

This means that $a = 0.95, b = 1.05$

(a) Determine the proportion of flanges that exceeds 1.00 millimeters.

$P(X > 1) = \frac{1.05 - 1}{1.05 - 0.95} = \frac{0.05}{0.1} = 0.5$

0.5 = 50% of flanges exceed 1 millimeter.

(b) What thickness is exceeded by 90% of the flanges?

This is x for which:

$P(X > x) = 0.9$

$\frac{1.05 - x}{1.05 - 0.95} = 0.9$

$1.05 - x = 0.9*0.1$

$x = 1.05 - 0.9*0.1$

$x = 0.96$

A thickness of 0.96 millimeters is exceeded by 90% of the flanges

4 0

3 years ago

Emily spent $15 on a magazine and four

LiRa [457]

Answer:

Step-by-step explanation:

$15 a magazine.

To calculate how much each candy bar was, you must do $15-$3 = $12

In total, she spent $12 on candy bars. Therefore you must do $12/4 candy bars= $3 a candy bar.

Hope this helps

5 0

3 years ago

HELP ASAP STEP BY STEP FIRST TO ANSWER IS BRAINLEIST!

irina [24]

卂几丂山乇尺

_____________________

7) 8hours

8) 10 pizzas

9) 13 packets

_______________________

EXPLANATION .:

_____(7)______________

Stacy's earning per hour babysitting

= 12$

Thus on Friday to earn 36$,

she would have worked 36/12 = 3 hours

On Saturday she earned 60$,

thus the time she worked = 60/12 = 5 hours

So the total time Stacy babysited on both days = 3+5 = 8hours

_______(8)__________________

Total ounces with Marco = 147

Ounces required for 1 pizza = 13

Ounced required for 1 breadstick = 2

Now when he has already made 3 breadsticks thus he would have used 3×2 = 6 ounces

So the remaining ounces = 147-6 = 141

Hence he can make 141/13 = 10.8 or 10 pizzas.

___________(10)_____________

Mr.Dundford gives 6 pencils to each student => for 30 students the pencils required would be 30×6 = 180

Now when he had already 24 pencils Thus the remaining = 180-24 = 156

Also there are 12 pencils in a packet

=> packets required = 156/12 = 13

___________________________

___________________

____________

_______

___

8 0

4 years ago

Read 2 more answers