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inna [77]
3 years ago
7

FIND THE RADIUS OF A CIRCLE WHO'S DIAMETER IS40 FEET

Mathematics
2 answers:
iVinArrow [24]3 years ago
8 0

Answer:

40 feet

radius is half of the diameter, so the radius is half of 40

radius = diameter/2

radius = 40/2

radius=20 feet

eimsori [14]3 years ago
7 0

Answer:

20ft

Step-by-step explanation:

Lesson : Circumference

When finding radius from diameter, the step is simple.

All you have to do is divide the diameter by 2

So in this case we have 40feet as the diameter, so you have to:

40/2

==> 20

Therefore the radius is 20ft

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<img src="https://tex.z-dn.net/?f=9%20-%20%20%5Csqrt%7B%20-%2064%7D%20" id="TexFormula1" title="9 - \sqrt{ - 64} " alt="9 - \s
siniylev [52]
A)9-8i

Explanation

9-\sqrt[]{-64}

Step 1

Let's remember that

A complex number is an object of the form

a+bi

where a and b are real numbers and

\begin{gathered} i^2=-1 \\ i=\sqrt[]{-1} \end{gathered}

so

\begin{gathered} 9-\sqrt[]{-64} \\ 9-\sqrt[]{-1\cdot64} \\ 9-\sqrt[]{-1}\sqrt[]{64} \\ 9-8\sqrt[]{-1} \\ 9-8i \end{gathered}

therefore, the answer is

A)9-8i

I hope this helps you

7 0
8 months ago
Ashlynn rides her bike 2 miles to school and 2 miles home each day. How many total miles will Ashlynn ride her bike to school an
skad [1K]

Answer:

160

Step-by-step explanation:

2+2=4

4 x 40= 160

4 0
2 years ago
9. Date Units Purchased Cost Per Unit
Nastasia [14]

Answer:

$219.00.

Step-by-step explanation:

January 1, 10 units @ $8 (10 x 8)          = $80

January 18, 50 units @ $9 (50 x 9)      = $450

February 20, 20 units @ $11 (20 x 11)  = $220

March 15, 10 units @ $12 (10 x 12)        = 120

Ending Inventory = 19 unit

Ending Inventory = (10 x12) + (9 x 11) = $219

3 0
2 years ago
A grocery store sells three different quantities of sugar. A 1 pound bag costs $1.10 a 2-pound bag costs $1.98 and a 3-pound bag
Kipish [7]
The units change by 88 to 87 so the unit decrease by 1 I think
3 0
3 years ago
Read 2 more answers
Karen and Ricardo are 279 miles apart driving towards each on the same route. Karen drives at a speed of 59 miles per hour and R
Sauron [17]

Step-by-step explanation:

Ok

Had to solve in the comment section because I couldn't find the answer button before. It Just appeared Lol.

You can still check the solution in the first guy's comment section

d=vt will represent the Motion of Both persons

for Karen

d=59t

for Ricardo

d=65t

They're both 279miles away from each other

Meaning

Dk + Dr = 279

59t + 65t = 279

124t=279

t=279/124

t= 2.25hrs.

You can change to seconds if thats how the answer waa presented.

6 0
3 years ago
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