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MariettaO [177]
3 years ago
9

Find the value of √25-√9/√25+√9​

Mathematics
2 answers:
valentina_108 [34]3 years ago
8 0

Answer: 0.25

Step-by-step explanation:

= √25-√9/√25+√9​

= 5 - 3 / 5 + 3

= 2 / 8

= 0.25

Rina8888 [55]3 years ago
4 0

Answer:

37/5

Step-by-step explanation:

sqrt(25)=5, sqrt(9)=3 then

sqrt(25)-sqrt(9)/sqrt(25)+sqrt(9)=

5-3/5+3=(5+3)-3/5=8-3/5=40/5-3/5=37/5

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If the period of a sine function is the number of units before the cycle begins to repeat, why would the period of the regressio
Jlenok [28]

Answer:

This means that after going around the unit circle once (2π radians), both functions repeat. So the period of both sine and cosine is 2π . Hence, we can find the whole number line wrapped around the unit circle.

Step-by-step explanation:

5 0
3 years ago
Write an expression that is equivalent to 4(b+2)-3b
vekshin1
Ok so first we need to distribute so:
<span>=<span><span><span><span><span>(4)</span><span>(b)</span></span>+<span><span>(4)</span><span>(2)</span></span></span>+</span>−<span>3b
</span></span></span>=<span>4b+8+−3b
</span>So now that we've distrubuted that we are now going to Combine Like Terms:
<span>=<span><span><span>4b</span>+8</span>+<span>−<span>3b
</span></span></span></span><span>=<span><span>(<span><span>4b</span>+<span>−<span>3b</span></span></span>)</span>+<span>(8)
Finally your answer is:
</span></span></span><span>=<span>b+<span>8
I hope this helps you!</span></span></span>
6 0
3 years ago
Read 2 more answers
Please help and thank you!
Stolb23 [73]

The conversion is

x =  r \cos \theta

y = r \sin \theta

So

\dfrac y x = \tan \theta

We're given the fairly unusual

\theta = -\frac 5 2

It's fairly unusual because usually an angle is given in degrees or radians, and typically the radians are a fraction times pi. We'll assume radians.

\dfrac y x = \tan \theta = \tan(-5/2) \approx 0.747

Ah, there's our .75. The approximate answer is

y = 0.75 x

Third choice.

The exact answer is

y = x \tan( -\frac 5 2)

also a line through the origin.

3 0
3 years ago
A map of a town was made using a scale factor of 1 inch =1/2 mile. On the map, Sonja measures that her house is 3 inches away fr
NikAS [45]

Answer:

1.5 miles

Step-by-step explanation:

According to the scale, we can simply multiply the distance that Sonja measured on the map by the actual mile distance that it states on the scale (1/2 or 0.5) to calculate the actual distance between Sonja's house and Sal's house like so...

3 * 0.5 = 1.5 miles

Therefore, we can see now that there is a total actual distance of 1.5 miles between both of their houses, which is represented as 3 inches on the map.

3 0
2 years ago
Can you help <br> please and thank you
seraphim [82]

Answer:

C

Step-by-step explanation:

Total of 40 cups and 25 of them are chocolate so the proportion for chocolate would be 25/40

7 0
2 years ago
Read 2 more answers
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