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Tom [10]
3 years ago
8

Simplify square root of 8y/share root of y

Mathematics
1 answer:
lozanna [386]3 years ago
8 0

Answer:

2\sqrt{2}

Step-by-step explanation:

We are required to simplify the following expression;

\frac{\sqrt{8y} }{\sqrt{y} }

Using the properties of radicals;

\frac{\sqrt{a} }{\sqrt{b}}=\sqrt{\frac{a}{b} }

The expression can be re-written as;

\sqrt{\frac{8y}{y}}=\sqrt{8}

Now;

\sqrt{8}=\sqrt{4*2}=\sqrt{4}*\sqrt{2}\\ \\2\sqrt{2}

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Daniel measured the diameter of the base of a candle. If the diameter of the candle measures 7 cm, what is the measure of the ra
Mazyrski [523]

Step-by-step explanation:

diameter (d) = 7cm

radius (r)= d/2 .... formula

= 7/2 .....put the value

= 3.5cm

the measure of radius is 3.5cm.

7 0
3 years ago
A car travels 32 km due north and
xenn [34]

Answer:

73.2km

Step-by-step explanation:

first you have to decompose 46 km into y and x components.

x=sin40°*46km

x=0.64*46km

x=29.44km

y=cos40°*46km

y=0.76*46km

y=34.96

now you add the y components together

32+34.96=66.98

finally use Pythagorean thereom to find the resultant vector.

a*a+ b*b=c*c

66.98*66.98+29.44*29.44=c*c

c*c= 4486.3+866.7

c=√5353

c=73.2 km this is the approximate value

6 0
3 years ago
Which function is a shrink of the exponential growth function shown on the graph?
MA_775_DIABLO [31]
For exponential functions 
y=ab^x,
where
a is the scale vertical stretch factor,
b is the base, and 
x the exponent (also independent variable)

It is a know fact that if the scale factor (1/2 or 2 in the answer choices) is positive, the graph is increasing if the base (3 or 1/3) is greater than 1.
This means that the base cannot be equal to 1/3.  This eliminates choices 3 and 4.

Next, for a base greater than 1 (3>1), and the scale factor positive, it is a dilation (image gets bigger) if the scale factor is greater than 1.  This eliminates the first choice where a=2.

 This leaves us with the second choice where a=1/2, b=3, which is a shrink of the given exponential base function.

4 0
3 years ago
Read 2 more answers
The ratio of angle measures is 1:2:2. Classify the triangle by its angle measures. obtuse triangle right triangle equiangular tr
lyudmila [28]

Answer:

Acute Triangle

Step-by-step explanation:

<u><em>Angles in a triangle add up to 180 degrees.</em></u>

So,

x+2x+2x = 180

=> 5x = 180

Dividing both sides by 5

=> x = 36

<u><em>So, The lengths are:</em></u>

=> 36

=> 72

=> 72

<em><u>Since all the angles are less than 90 degrees, It is an acute triangle.</u></em>

5 0
4 years ago
Someone please help I got a movie on the line
andrew-mc [135]

Answer:

(-6, -3)?

Step-by-step explanation:

8 0
3 years ago
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