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andrew11 [14]
3 years ago
9

Using differentials, the approximate change in the value of f(x) = x2 + 4x - 1 as x changes from 3 to 3.1 is

Mathematics
1 answer:
tino4ka555 [31]3 years ago
5 0
Answer is A
A 0.1. moving 1 decimal over
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In Which set do all of the values make the inequality 2x-1<10 true
Step2247 [10]
X<5.5, x has to be less than 5.5 because you add 1 to both sides and then divided both sides by two and you would get x < 5.5
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4 years ago
The ratio of females to total students in a mathematics class is 18 to 30. What fraction of the class is male? What percent is m
Vera_Pavlovna [14]

Answer:

2/5 or 40%

Step-by-step explanation:

total students=30

female students=18

That must mean, assuming the rest of the class is binary male=12

12/30=2/5 or 40% if you multiply by 20, then multiply by 100%

(2/5)*20=.40*100%=40%

6 0
3 years ago
A camper attaches a rope to the top of her tent to give it more support. She stakes the rope, which is 8 ft long, to the ground
sergejj [24]

Answer:

5.3

Step-by-step explanation:

8^2 - 6^2 = x^2

64 - 36 = x^2

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2 years ago
Question 5
Tanzania [10]

If you do 4.40 into 8 it will equal to 0.55.

0.55 per token

So if you do 6.05 into 0.55 it equal to 11

She can buy 11 tokens with $6.05

19 token will cost $10.45 because

19 x 0.55 = 10.45

7 0
3 years ago
The length of time (T)in seconds it takes the pendulum of a clock to swing through one complete cycle is given by the formula
STatiana [176]

Answer:

T = 2 pi sqrt (L/g)

g = 32 ft/s2

here

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sqrt (L/32) = 7/22

L/32 = 49/484

L = 3.24 ft

check by hanging a weight from a 3' 3" string

Step-by-step explanation:

6 0
3 years ago
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