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bearhunter [10]

3 years ago

13

The value for √10 is approximately between 3 and 4. Approximate further to find the values to the tenths place that √10 is betwe

en.
a less-than StartRoot 10 EndRoot less-than b

a =
b =

2 answers:

san4es73 [151]3 years ago

7 0

Answer:

a = 3.1

b = 3.2

Step-by-step explanation:

I did the quiz

Komok [63]3 years ago

4 0

Answer:

a =

✔ 3.1

b =

✔ 3.2

Step-by-step explanation:

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julia-pushkina [17]

Use simultaneous equations:
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7 = x^2 + 6x - 9
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+ or - 4 = 7x
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Which of the following are identities? Check all that apply

Natasha2012 [34]

Answer:

A, C

Step-by-step explanation:

Actually, those questions require us to develop those equations to derive into trigonometrical equations so that we can unveil them or not. Doing it only two alternatives, the other ones will not result in Trigonometrical Identities.

Examining

A) True

$\frac{1-tan^{2}x}{2tanx} =\frac{1}{tan2x} \\ \frac{1-tan^{2}x}{2tanx} =\frac{1}{\frac{2tanx}{1-tan^{2}x}}\\ tan2x=\frac{1-tan^{2}x}{2tanx}$

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B) False,

No further development towards a Trig Identity

C) True

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D) False No further development towards a Trig Identity

$[sin(x)-cos(x)]^{2} =1+sin(2x)\\ sin^{2} (x)-2sin(x)cos(x)+cos^{2}x=1+2sinxcosx\\ \\sin^{2} (x)+cos^{2}x=1+4sin(x)cos(x)$

7 0

3 years ago

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Tanya [424]

Answer:

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Step-by-step explanation:

its up there

5 0

3 years ago

Four brothers each bought two hot dogs and a bag of chips at the football concession stand. If the bag of chips was 1.25, and th

SSSSS [86.1K]

Answer:

$1.65

Step-by-step explanation:

If h is the price of a hot dog, then the total bill was ...

4(2h +1.25) = 18.20

2h +1.25 = 4.55 . . . . . . divide by 4

2h = 3.30 . . . . . . . . . . . subtract 1.25

h = 1.65 . . . . . . . . . . . . . divide by 2

The price of one hot dog was $1.65.

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3 years ago