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mote1985 [20]
2 years ago
10

Find the mean proportional between 4 and 16.

Mathematics
2 answers:
ludmilkaskok [199]2 years ago
7 0

Answer:

8

Step-by-step explanation:

4 × 16= 64

√64 = 8

hope this helps...

pav-90 [236]2 years ago
3 0

Answer:

the Answer should be 8

Step-by-step explanation:

16×4= 64 = 8

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The area of a square is 50 square meters. Which best represents the length of one side of the square?
Reika [66]

Answer:

7.1

Step-by-step explanation:

A = s**2

50 = s**2

s = 50**(1/2) = 7.07 rounded = 7.1

5 0
3 years ago
Kira has breakfast in a restaurant. She leaves $1.80 for a 20% tip. What is the price of Kira's breakfast, before the tip?
ki77a [65]

Answer:

percent* base = amount

.2 * x = 1.80

x = 1.80/.2

x= $9

Step-by-step explanation:

5 0
2 years ago
What is |32|? <br><br> PLEASE HELP!!!
fredd [130]

Answer:

the absolute value of 32 ( |32| ) is 32

Step-by-step explanation:

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hope this helps!

3 0
3 years ago
Read 2 more answers
What is the solution of the equation 14^x=5?<br> Round your answer to the nearest ten-thousandth.
deff fn [24]
Take ln to both sides
ln 14^x = ln 5
then you'll get
x ln 14 = ln 5
divide both sides by ln 14
x = 0.6098533345
after rounding
x = 0.6099
4 0
3 years ago
Read 2 more answers
What are the center and radius f the circle with equation xthe power of 2 +y power of 2 -4x -6y +8=0
Dovator [93]
<span>x² +y² -4x -6y +8=0
(x² -4x) +(y² -6y) = -8
We are going to complete square for x and y,
it should look like a²+2ab+b² = (a +b)², or </span>a²-2ab+b² = (a -b)²,
<span>
(x²-2*2x+2²) -2² + (y²-2*3y +3²)-3²=- 8
(x-2)²+(y-3)²-4-9=-8
</span>(x-2)²+(y-3)²=-8+13
(x-2)²+(y-3)²=5
<span>
Formula a circle (x-h)²+(y-k)²=R², where vertex has coordinates (h, k) 

So , for our circle  vertex (2,3) and radius = </span>√5<span>


</span>
6 0
3 years ago
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