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3 years ago

I need help with this question?????

Mathematics

2 answers:

sergiy2304 [10]3 years ago

7 0

Diameter = circumference / pi = 28.26 / pi = 9.00 units (to the nearest hundredth)

Novay_Z [31]3 years ago

4 0

Since circumference= $\pi$ d,

You would solve for d, using the equation 28.26= $\pi$ d, since 28.26 is the circumference.

You would end up dividing $\pi$ on both sides, thus getting the exact answer of 28.26/ $\pi$ as the diameter. If you need an estimated answer, then use a calculator, enter the exact diameter, and round as needed.

(If there's anything wrong/unclear in my explanation then please tell me as this is my first time doing this)

Have a great day!

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Kiran scored 223 fewer points in a computer game than Tyler. Kiran scored 409 points. Which equation would Kiran use to determin

LenKa [72]

Answer:

The equation is:

$409 = T - 223$

And the solution is:

$T = 632$

Step-by-step explanation:

Given

Represent Kiran with K and Tyler with T

Kiran score is represented as:

$K = 409$

Also, Kiran scored 223 less than Tyler.

This is represented as:

$K = T - 223$

Substitute 409 for K

$409 = T - 223$

Make T the subject

$T = 409 +223$

$T = 632$

5 0

2 years ago

Please help fast.

podryga [215]

$\huge{\underline{\boxed{\tt{Answer:}}}}$

Let AB be a chord of the given circle with centre and radius 13 cm.

Then, OA = 13 cm and ab = 10 cm

From O, draw OL⊥ AB

We know that the perpendicular from the centre of a circle to a chord bisects the chord.

∴ AL = ½AB = (½ × 10)cm = 5 cm

From the right △OLA, we have

OA² = OL² + AL²

==> OL² = OA² – AL²

==> [(13)² – (5)²] cm² = 144cm²

==> OL = √144cm = 12 cm

Hence, the distance of the chord from the centre is 12 cm.

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3 years ago

Simplify the expression insert √98/8

dybincka [34]

Answer:

3.5

Step-by-step explanation:

98/8=12.25

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labwork [276]

Answer:

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Step-by-step explanation:

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