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Nookie1986 [14]
3 years ago
7

Can some please help me with this problem It's a little confusing to me.

Mathematics
2 answers:
Nat2105 [25]3 years ago
4 0
Diameter = 10.0002 inches, or 10 inches since were rounding to the nearest whole number.
Kamila [148]3 years ago
4 0

Answer:

need points sorry

Step-by-step explanation:

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Help needed!! Don’t know how to do!!
Aleks [24]

Answer:

D,0,2,-2

Step-by-step explanation:

2x^5-3x^3-20x=0

x(2x^4-3x^2-20)=0

x=0

or 2x^4-3x^2-20=0

put x²=t

2t²-3t-20=0

-20×2=-40

8-5=3

8×-5=-40

2t²-(8-5)t-20=0

2t²-8t+5t-20=0

2t(t-4)+5(t-4)=0

(t-4)(2t+5)=0

t=4

x²=4

x=2,-2

t=-5/2

x²=-5/2

it gives imaginary  root. so real rational roots are 0,2,-2

3 0
3 years ago
Read 2 more answers
erics cell phone service costs $40.00 a month for unlimited calls. he also pays $0.02 for each text message he sends. what equat
KatRina [158]

Answer:

40.021

Step-by-step explanation:

Unlimited calls = $40

Text message = $0.021

NOTE:There is a difference between the value you gave for cost of text messages in the question and the values given in the group of answers. I will use $0.021 for cost of text messages since it is common to all answer choices.

Total cost = Cost of unlimited calls + cost of text messages

C = $40 + $0.021

= $40.021

Therefore, the equation which represent the total cost in dollars for a month is 40.021

A. 40.021

3 0
3 years ago
Can someone help me please
Kaylis [27]
The answer is H, 2 5/6
8 0
3 years ago
Read 2 more answers
Bri wants to buy as many flip flops as she can at the store. Each flip flop costs $4 and she has $50 with her. Write an inequali
Klio2033 [76]

Answer:

she can buy 12½flip flops

Step-by-step explanation:

it's actually easy : just do 50÷4 but then u will get something like 12.5 so if you are confused , you can divide by the closest number to 50 and the number which is a multiple of 4

so,

48÷4 = 12 and with the remaining 2 $ she can buy a half flip flop more if she wants because 4/2

Therefore , the total number of flip flops she can buy = 12½ flip flops

6 0
3 years ago
What is the exponent telling us to do to a number when a number is written in exponential notation?
Andre45 [30]

Answer:

When a number is written in scientific notation, the exponent tells you if the term is a large or a small number. A positive exponent indicates a large number and a negative exponent indicates a small number that is between 0 and 1.

5 0
3 years ago
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