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puteri [66]
3 years ago
7

This Is Graded, Please Help TYSM!

Mathematics
1 answer:
olchik [2.2K]3 years ago
4 0

Answer: For the cirlces since I already answered the triangles

1.  Area:660.519855417

   Circumference:91.1061869541

2. Area: 572.555261117

    Circumference:84.8230016469

3. Area:283.528736986

    Circumference:59.6902604182

4. Area:1017.87601976

    Circumference:113.097335529

5. Area: 63.6172512352

    Circumference: 28.2743338823

6. Area:380.132711084

    Circumference:69.115038379

Step-by-step explanation:

The formula for the area of a circle is π*r^2, r being the radius or the half line in the circle, and the formula for the circumference is   π*r*2, or  π*d, or the diameter which is the line that goes all the way through like number 5. The radius is half the diameter.

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If 3 inches represents 25 feet on a scale
jonny [76]

Answer:

1.8 inches

Step-by-step explanation:

1. find the # of inches that represents 1 foot.

3/25 = 0.12in

2. to find the length of the line segment that represents 15 feet, multiply 0.12 inches by 15.

0.12*15 = <u>1.8in</u>

5 0
3 years ago
Which linear inequality is represented by the graph
Anarel [89]

Answer:

the second choice

Step-by-step explanation:

The last two choices could not be correct, because it would need a dashed line.  The line under the greater than or less than symbol mean  that the line is included in the answer and it will be a solid line like you see in the picture.  For both of the top two answers the slope that they y intercept is correct.  You just have to decide is the symbol will be greater than or equal to or less than and equal to.  

If we put 0 in x for in the form y = mx + b, what would y be?

y = 1/3 x - 1

y = 1/3(0) - 1

y = -1

The ordered pair is (0,1).  That is the part that is shaded so that shows us that the second answer is correct.

4 0
2 years ago
Suppose there is a 17.5 % probability that a randomly selected person aged 35 years or older is a smoker. In​ addition, there
nexus9112 [7]

Answer:

The answer is 43% or 0.43

Step-by-step explanation:

Given:

Probability that person selected aged 35years or older is a smoker = 17.5%

Probability that person selected aged 35years or older is a female comma =25.5%

Solution:

a) Probability (35yrs or older is a smoker) + probability (35years or older is a female comma)

= 17.5% + 25.5%

= 43% 0r 0.43

b) No, it would not be unusual because it is by chance, it may and it may not.

8 0
3 years ago
Read 2 more answers
Think of 5 positive that have a mode of 4, a median of 8, a mean of 9 and a range of 12
Anastasy [175]
Answer: 8.5, 4, 8, 4, 20.5

Explanation:
Mode : 4
Median : 8
Mean : (8.5 + 4 + 8 + 4 + 20.5)/5 = 45/5 = 9
Range : 20.5 - 8.5 = 12
3 0
4 years ago
2x+4=8 what would the equation be and what does x equal
Dafna11 [192]

Answer:

x=2

Step-by-step explanation:

2x+4=8

2x=8-4

2x=4

x=4/2

x=2

4 0
3 years ago
Read 2 more answers
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