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maw [93]
3 years ago
15

johny has a circular garden that has a radius of 4.5 meters. using the formula to find the circumference pi=3.4​

Mathematics
1 answer:
Gemiola [76]3 years ago
3 0

Answer:

28.27

Step-by-step explanation:

2*3.14*4.5=28.27

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Can you check my answers and help with number 3?
mamaluj [8]

Answer: Question 1 :B,D.

Question 2:option B,

Question 3:Degree=5.

Question 4:option D.

Question 5: option c.


Step-by-step explanation:

1) A polynomial can not have any exponent as a variable or a fraction.

Options B and D are polynomials.

2) The polynomial is having 3 terms and is of degree 3.so it is a cubic trinomial Option B.

3) Degree is the highest power of the variables in the terms .The term 6x^{3} y^{2} has the power=3+2=5

So degree =5.

4)(5x-2+3x^{2} )+(4x+3)=3x^{2} +5x+4x-2+3=3x^{2}+9x+1.

Option D


5)(5x^{2} +2x-5)-(3x^{2}+3x+1)= 5x^{2}+2x-5-3 x^{2}-3x-1

Simplifying like terms,

=2x^{2}-x-6.

Option c.


6 0
2 years ago
What is the slope of the line shown below? <br><br> A. 2<br> B. -1/2<br> C. -8/5<br> D. -2
fiasKO [112]
D -2 is correct answer
6 0
2 years ago
A tractor-trailer travels 205.296 miles in 3.12 hours. What is the speed at which the tractor-trailer is traveling?
yarga [219]
Speed=distance/time
distance=205.296
time=3.12

speed=205.296/3.12=65.8

answer is 65.8 miles per hour
3 0
2 years ago
Read 2 more answers
Point W is located at (-2,3) on a coordinate plane. Point W is reflected over the x-axis to create point w'. Point W' is then re
aniked [119]

ANSWER

W''(2, - 3)

EXPLANATION

The given point bas coordinates

W(-2,3).

The mapping for reflection over the x-axis is

(x,y)\to(x, - y)

W(-2,3)\to \: W'(-2, - 3)

This point W'(-2,-3) is then reflected over the y-axis.

The mapping for reflection over the y-axis is

(x,y)\to (-x, y)

W'(-2,-3)\to \: W''(2, - 3)

5 0
3 years ago
Nikki works at a store that sells consumer electronics. She earns $12 per hour, plus a commission of 5% of her total sales amoun
Mazyrski [523]

Answer:

See below.

Step-by-step explanation:

So, Nikki earns $12 per hour.

And she also earns a 5% or 0.05 commission of her total sales each day.

On Saturday, she worked eight hours and she earned $139. In other words, she earned 8(12) or $96 from working her hours and another $43 (139-96) from her commission.

Thus:

139=96+0.05x

Where x represents Nikki's total sales on Saturday.

Further notes:

To solve, subtract 96 from both sides and divide by 0.05:

139=96+0.05x\\43=0.05x\\x=\$860

Thus, her total sales that day were $860.

6 0
3 years ago
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