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olga nikolaevna [1]
2 years ago
6

The area of a rectangle is 45 sq ft. its perimeter is 36 ft. Find the length and width.

Mathematics
2 answers:
mr_godi [17]2 years ago
8 0
You have to divide 36 and 2
ivann1987 [24]2 years ago
8 0
3 ft for length and 2.5

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Farah rolls a fair dice and flips a fair coin. What is the probability of obtaining a 5 and a head?
Illusion [34]

Answer:

2/3  or  4/6

Step-by-step explanation:


3 0
3 years ago
Help please! Could you explain it too?
Anettt [7]

Answer:

a) not proportional

b) proportional; k = -\frac{3}{5}

Step-by-step explanation:

a) for any proportional equation, the line must pass through the origin. The equation in a) is y = 4x + 1, and the '+1' is the y-intercept. This means that the line does not pass through the origin, so x and y cannot increase by the same amount (i.e. they are not proportional).

Another way to determine this is is to use the y = kx base. If you have an equation that fits that it's likely proportional.

Here, if the equation was only y = 4x then it'd be proportional because u can see that k = 4. This is not the equation though, and the 4x + 1 doesn't fit to the y = kx formula so it can't be proportional.

b) straight away you can see that there's no 'c' term (y = mx + c) which means the y-intercept is 0, so the line passes through the origin. While this does not immediately mean the line is proportional, you can make sure that it is by checking it fits with the y = kx equation.

y = -(3/5)x fits with y = kx, with k being -3/5

3 0
2 years ago
What is the value of 3b when b = 18?
lubasha [3.4K]

Answer:

54

Step-by-step explanation:

to evaluate substitute b = 18 into 3b

3b = 3 × 18 = 54


4 0
3 years ago
Read 2 more answers
HELP MEEEEEEEEEEEEEEEEEEEEEEE 20 POINTS AND BRAINLIEST PLZ HALPPPP
yawa3891 [41]

Answer:

1. Radius 18in Diameter 38in Circumference 36in

2. Radius 9in Diameter 34in Circumference 18in

3. Radius 6in Diameter 36in Circumference 12in

4. Radius 7in Diameter 26in Circumference 14in

5. Radius 5in Diameter 8in Circumference 10in

6. Radius 11in Diameter 33in Circumference 22in

7. Radius 6in Diameter 20in Circumference 12in

8. Radius 7in Diameter 16in Circumference 14in

9. Radius 2in Diameter 12in Circumference 4in

Step-by-step explanation:

Tip: When finding the circumference of a circle, just multiply the radius by 2!

Hope I get my brainliest even tho I couldn't get all of it!

4 0
3 years ago
Help with this question anyone?
Art [367]
Adding 49 will explain it properly just do that and you will get the answers
6 0
3 years ago
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