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3 years ago

Round 7712 to 1 significant figure?

Mathematics

1 answer:

Dovator [93]3 years ago

3 0

Answer:

8000

Step-by-step explanation:

7712 is close to and rounds off to 8000, so the answer is 8000.

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FinnZ [79.3K]

Answer:

If you multiple 1050 by 20 you will get 21,000.

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4 years ago

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The length of a rectangular field is 45 ft greater than its width, w ft. how much fencing is needed to enclose the field and div

allsm [11]

Answer:

Length of fencing needed = 4x + 45

Step-by-step explanation:

Assume;

Width of rectangle = x

So,

Length of rectangle = x + 45

Find:

Length of fencing needed

Computation:

Length of fencing needed = 2(l+b) + b

Length of fencing needed = 2(x+45+x) + x

Length of fencing needed = 2(2x+45) + x

Length of fencing needed = 4x + 45

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3 years ago

Write the equation in standard form using integers y=2/3x-3

Charra [1.4K]

Answer:2x -3y=9 .

Step-by-step explanation:

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3 years ago

Show the work please

nadezda [96]

Its 16x^2 i'll give explanation in a second

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3 years ago

Find the missing value. Show your work. please

Sophie [7]

#1
$sin(51^o)= \frac{y}{12} \ \ \to \ \ y=12*sin(51^o)=12* 0.7771 \approx 9.33$

#2
$\theta=arccos( \frac{5^2+13^2-12^2}{2*5*13}) = arccos( \frac{25+169-144}{130})=arccos( \frac{50 }{130})= \\ \\ arccos(0.3846) \approx67.4^o$

#3
$tan(13^o)= \frac{x}{24} \ \ \to \ \ x=24*tan(13^o)=24* 0.2309 \approx 5.54$

#4
$sin(20^o)= \frac{10}{x} \ \ \to \ \ x= \frac{10}{sin(20^o)} = \frac{10}{0.342} \approx 29.24$

5 0

4 years ago