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klio [65]
3 years ago
7

A rectangular lawn has an area of 140 square yards. Its width is 6 yards less

Mathematics
1 answer:
Katarina [22]3 years ago
6 0

Answer:

length : 10 yard

width: 14  yard

Step-by-step explanation:

Let l be the length of the yard.

Since the width is 6 yards less than twice its length, we can say the width is 2l-6.

With width x length=area,

l (2l -6) = 140

2l^2 - 6l = 140

2l^2 - 6l - 140 = 0

Using the quadratic formula,

we can determine l = 10 or -7

since the length should not be negative,

the length is 10 yard.

Now substitute l=10 into 2l-6.

width = 2(10)-6

= 14 yard

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in the figure above m is parallel to the line n the measure of angle one is 40 degrees what is the measure of angle 2
Colt1911 [192]

Step-by-step explanation:

angle 2+40=180

angle 2=180-40

angle 2=140

the answer Is 140 degree

4 0
2 years ago
What is the square root of 144 and 169 between?
Tems11 [23]
The square root of 144=12 169=13 the difference is 13-12=1
8 0
3 years ago
A bucket contains 50 lottery balls numbered 1-50. One is drawn at random. What is the probability that it is a multiple of 6 giv
never [62]
The probability is 7/41.

We are looking for 
P(multiple of 6 given 2 digit) = P(2 digit & multiple of 6)/P(2 digit)

There are 7 2-digit numbers that are multiples of 6 between 1 and 50, out of 50 numbers; P(2 digit & multiple of 6) = 7/50

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3 years ago
Find the slope (7,-2) and (6,-2)
alexgriva [62]
I hope this helps you

7 0
4 years ago
The distances (y), in miles, of two cars from their starting points at certain times (x), in hours, are shown by the equations b
Anna007 [38]

Answer:

2 hours, 142 miles

Step-by-step explanation:

Given;

equation of motion of car A as;

y = 55x + 32

equation of motion of car B as;

y = 42x + 58

where;

y is distance measured in miles

x is time measured in hours

When the distance of the two cars are equal, we will have the following equation;

55x + 32 = 42x + 58

collect like terms and solve for x

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Now substitute in the value of x into any equation of the cars;

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Thus, the correct option is 2 hours, 142 miles

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3 years ago
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