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marishachu [46]
3 years ago
8

Can someone plz help me... it would be great if u did all three questions

Mathematics
2 answers:
Artyom0805 [142]3 years ago
4 0
1: 48
2: 18
3: 73
Hope this helps you!
Inessa05 [86]3 years ago
4 0
1. 48
2. 18
3. 73
Those are the answers.
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Work out the circumference of this circle.
Kryger [21]

Answer:

28.3 (explaination below)! :)

Step-by-step explanation:

Use the formula for cicrumfrence: C=2πr

Radius can be found by splitting the given number in half, (unless you were given the radius already, then you'd just multiply by 2).

Plug in our numbers. C= 2π4.5

Then, multiply.

You'd get 28.27433388230814.

Rounding to the first decimal place, you'd have a final answer of  28.3.

Hope this helps!

5 0
3 years ago
PLS HELP ME!
sveta [45]

Answer:

Hi

Step-by-step explanation:

the answer is :

4 \sqrt{7}  + 8 = x \\ aproximatly  \: 18.58

with phithaghoreth law you can find the base of the two triangles

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if you need more explanation tell me

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3 years ago
Walid is four times as old as Sami . Five years ago,
trapecia [35]

Answer:

he is11 years old cause when he was 1 walked was 5

4 0
3 years ago
Identify the slope and y-intercept of the line y = ×/2 -7​
arlik [135]

Answer:

Slope: -\frac{1}{5}   Y-intercept: (0,0)

Step-by-step explanation:

By putting this into a graph you can see that the y-intercept is (0,0). Also, by looking at the chart and using the walk, rise rule you can see that the slope is -\frac{1}{5}.

7 0
1 year ago
The equation for the cross-section of a parabolic satellite TV dish is stated below, measured in inches. How far is the focus fr
leonid [27]
<span> The coordinates of the focus are </span><span><span>(<span>h,k+<span>1/<span>4a</span></span></span>)</span><span>(<span>h,k+<span>1/<span>4a</span></span></span>)

y=1/38*x^2
here h=0,k=0 ,a=1/38

so if we put values to find focus
focus(0,0+1/4*1/38)=(0,9.5)
</span></span><span>
</span>
3 0
3 years ago
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