2 years ago

Which equation provides the best estimate of the product of 229 and 3.22?

Mathematics

1 answer:

11Alexandr11 [23.1K]2 years ago

4 0

Answer:

149.7 since you add the two together

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What's larger 0.75 or 1/2

Brilliant_brown [7]

Okay let's see.. 0.750
1.200
As we see 1 is bigger than 0.So that means 1/2 is bigger.Hope this helps! (;

8 0

2 years ago

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Please please please help asap

blondinia [14]

Answer:

The answer is 22 cards are left in the stack.

Step-by-step explanation:

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An airplane descends 2.8 miles to an elevation of 5.85 miles. Find the elevation of the plane before an airplane descends 2.2 mi

Natali5045456 [20]

Answer:

8.05 miles

Step-by-step explanation:

If it descended 2.2 miles to 5.85 miles then that means it was at 5.85 + 2.2 miles before its descent.

5.85 + 2.2 = 8.05

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2 years ago

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Decrease 40 by 15%<br><br> please explain how you got your answer too :)

Anit [1.1K]

So 10 % of 40 is 4
5% of 40 is 2
so 15% is 6
then you have to do 40-6
and then you get the answer of 34

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3 years ago

What is the value of sin(t) if cos(t)=0.1, and t is in quadrant 1

Marizza181 [45]

Answer:

$sin(t)=\frac{\sqrt{99}}{10}$

Step-by-step explanation:

Remember that

If angle t belong to the First Quadrant

then

The value of sin(t) and cos(t) are positive values

we know that

$sin^2(t)+cos^2(t)=1$ ---> by trigonometric identity

we have

$cos(t)=0.1=\frac{1}{10}$

substitute

$sin^2(t)+(\frac{1}{10})^2=1$

$sin^2(t)+\frac{1}{100}=1$

$sin^2(t)=1-\frac{1}{100}$

$sin^2(t)=\frac{99}{100}$

$sin(t)=\frac{\sqrt{99}}{10}$

8 0

3 years ago