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VARVARA [1.3K]
3 years ago
11

You will need 90 feet of fencing to put all the way around a rectangular garden. The width of the garden is 10 feet. What is the

length?
Mathematics
1 answer:
WITCHER [35]3 years ago
4 0
If it is a rectangle then the sides of the width would be the same. Also with the sides of the length. So add the widths, 10+10=20. Subtract 20 from 90, 90-20=70. Divide 70 by 2, 70÷2=35.
 The length would be 35 feet.
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The value of the varriable which satisfies the equation is called the _______ of the equation​
scoray [572]

Answer:

solution

Step-by-step explanation:

solution is the answer

3 0
2 years ago
What polynomial function has the zeros -3,1,5
natka813 [3]

Answer:

x³ - 3 x² - 13 x + 15 = 0

Step-by-step explanation:

Basically you can create three factors like this:

(x+3)(x-1)(x-5)=0

That will each represent one zero.

Work it out and you get x³ - 3 x² - 13 x + 15 = 0

6 0
3 years ago
The data obtained from a random sample of track athletes showed that as the foot size of the athlete decreased, the average runn
Rufina [12.5K]

Answer:

The correct option is;

(3) The sample of track athletes show that there is a correlation between foot size and running speed

Step-by-step explanation:

The statements are analysed as follows;

(1) Smaller foot sizes cause track athletes to run slower.

The above statement is a conclusion and it infers more information than is contained in the question statement because there are other factors such as taller athletes run faster than average sized athletes

(2) The sample of track athletes shows a causal relationship between

foot size and running speed.

The above statement is similar to the one above as it is a milder conclusion and it infers more information than is contained in the question statement

(3) The sample of track athletes shows a correlation between foot size

and running speed.

The  above statement is correct as is directly supported by the data as it is a statement made based directly the data

(4) There is no correlation between foot size and running speed in

track athletes.

The above statement is not supported by the available data.

3 0
3 years ago
At Billy's school, 80 students bone to school by bike or car. Together the vehicles arrive to school in have 270 wheels. How man
Arturiano [62]

Answer: 25 bikes and 55 cars were used.

Step-by-step explanation:

Let b represent number of bicycles that the students ride to school.

Let c represent number of cars that the students drive to school.

At Billy's school, 80 students come to school by bike or car. It means that

b + c = 80

A bike has 2 wheels. A car has 4 wheels. Together the vehicles that arrive at the school have 270 wheels. It means that

2b + 4c = 270- - - - - - - - - - 1

Substituting b = 80 - c into equation 1, it becomes

2(80 - c) + 4c = 270

160 - 2c + 4c = 270

- 2c + 4c = 270 - 160

2c = 110

c = 110/2

c = 55

b = 80 - c = 80 - 55

b = 25

3 0
3 years ago
Out of 30 students surveved 17 have a de Based on these results,
Nana76 [90]

Answer:

170 will have dogs

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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