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3 years ago

Sarah weighs 146 pounds . How many ounces does Sarah weight

Mathematics

1 answer:

Scrat [10]3 years ago

6 0

Answer:

2336 Ounces

Step-by-step explanation:

1 Pound has 16 Ounces so Multiply 146*16 to get the number of ounces.

146*16=2336 Ounces

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The correct answer is (A)!

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3 years ago

What is cos theta when sin theta = sqrt 2/3

Fittoniya [83]

Answer:

Value of cosθ is ±√7/3 .

Step-by-step explanation:

According to the Question , value of :

$\red{\implies sin\theta = \dfrac{\sqrt2}{3}}$

And , we know the identity of sine and cosine as ,

$\boxed{\pink{\sf\implies sin^2\theta + cos^2\theta = 1} }$

Using , this identity we have ;

$\implies sin^2\theta + cos^2\theta = 1 \\\\\implies \bigg( \dfrac{\sqrt2}{3}\bigg)^2 + cos^2\theta = 1 \\\\\implies \dfrac{2}{9} + cos^2\theta = 1 \\\\\implies cos^2\theta = 1 - \dfrac{2}{9} \\\\\implies cos^2\theta = \dfrac{9-2}{9} \\\\\implies cos\theta = \sqrt{\dfrac{7}{9}} \\\\\underline{\boxed{\blue{\bf \implies cos\theta = \pm \dfrac{\sqrt 7 }{3}}}}$

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$\boxed{\orange{\bf \implies cos\theta =-\dfrac{\sqrt7}{3}}}$

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3 years ago

Show that the series is convergent by the alternating series test, and find the number of terms necessary to estimate the sum of

Murljashka [212]

Answer:

6 terms

Step-by-step explanation:

2 − 2/4 + 2/9 − 2/16 + ...

∑ (-1)ⁿ⁺¹ 2 / n²

Applying alternating series test:

lim(n→∞) 2/n² = 0

2/(n+1)² < 2/n², so the series is decreasing.

Therefore, the series converges.

2/(n+1)² < 0.05

(n+1)²/2 > 20

(n+1)² > 40

n+1 > 6.32

n > 5.32

n = 6

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3 years ago

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3 years ago

Read 2 more answers

A worker is paid $9.80 per hour, with time and a half for any hours over 40 per week. If he works 44 hours in a week, what will

bezimeni [28]

b. 450.80

you multiply 40 x 9.80 ...equals 392.

take 1/2 of 9.80...that equals 4.90. 
4.90 plus 9.80 equals $14.70 x 4 = 58.80 

$58.80 plus 392. equals $450.80

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4 years ago