3 years ago

A rectangular field is 4 times as long as it is wide. If the length is decreased by 10 feet and the width is increased by 2

Mathematics

2 answers:

Darina [25.2K]3 years ago

7 0

Answer: a=32 feet

b=8 feet

Step-by-step explanation:

b=b

a=4b

------------

b1=b+2

a1=(b+2)*4-10

2(b+2+4b+8-10)=80

5b=40

b=8

a=32

Lunna [17]3 years ago

6 0

Answer: 42 and 6

Step-by-step explanation:

You might be interested in

The set of numbers that includes the whole numbers and their opposites is called the set of _____.

Misha Larkins [42]

The answer is an integer

5 0

4 years ago

Read 2 more answers

At the end of summer all sandals are marked down by 70%. If a pair of sandals originally cost $19.50, how much will it cost at t

aleksley [76]

70 percent off 19.50 would mean getting a discount of 13.65, so the final price of the sandals by the end of the summer should be 5.85

5 0

3 years ago

Find the radius of the circle which has the same area

Neko [114]

Answer:

13 cm

Step-by-step explanation:

We can get the answer in the following way:

4 0

3 years ago

18. What is the least common denominator of the following<br> fractions? 3/10 and 1/4

Len [333]

Answer:

The denominators of 3 /10 and 1 /4 are 10 and 4.

The factors of 10 are 2 × 5 and 2 × 2

Therfore the LCD should have two 2's and one 5.

This means the answer is:

2 × 2 × 5 = <u>20</u>

I hope this helps :)

7 0

3 years ago

Calculate the average speed of the car in m/s

Alina [70]

Answer:

14.4 m/s

Step-by-step explanation:

The speed of the car can be found by dividing the distance by the time. The distance is 0.8m 9 times or 0.8(9)=7.2 meters and the time is 0.5 seconds

$s=\frac{d}{t} \\s=\frac{7.2}{0.5} \\s=14.4$

3 0

3 years ago