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Pie
3 years ago
12

Ya you want points well first to answer gets 50 points and a brainiest

Mathematics
1 answer:
iragen [17]3 years ago
8 0

Answer:

plzz me

Step-by-step explanation:

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Find the geometric mean of 275 and 11 275/x=x/11 x^2= 3025 x=sq rt 3025 now I'm not sure what to do.
Bogdan [553]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
you got it 
<span>except keep going to get </span>
<span>x = ±√3025 </span>
<span>x = ± 55 </span>


<span>check: </span>
<span>275 , 55, 11 </span>
<span>is 55/275 = 11/55 ? YES </span>
<span>is -55/275 = 11/=55 ? YES</span>

6 0
3 years ago
Write this number in expanded form in the box below. Use powers of ten in your answer.
yarga [219]

Answer:

3000+400+30+9+0.30+0.06, very simple

Step-by-step explanation:

no need

5 0
3 years ago
Read 2 more answers
Find the area of a circle with radius, <br> r<br> = 40cm.<br> Give your answer rounded to 3 SF
Serjik [45]
Area of circle = pi x r^2
= 22/7 x 40^2
= 5028.57
= 5030cm^2 (3 SF)
6 0
3 years ago
Hayden earns $9.50 per hour as a lifeguard.He earns a bonus of $50.00 for taking a training course.How many hours must he work t
mel-nik [20]

Answer: he must work for at least 26.32 hours

Step-by-step explanation:

Let x represent the number of hours that Hayden works as a life guard.

Hayden earns $9.50 per hour as a lifeguard. This means that the amount that he earns for working for x hours would be

9.5x

He earns a bonus of $50.00 for taking a training course. If he takes this bonus cost, the amount that he would earn for working for x hours is

9.5x + 50

Therefore, the number of hours that he must work to earn at least $300.00 would be

9.5x + 50 ≥ 300

9.5x ≥ 300 - 50

9.5x ≥ 250

x ≥ 250/9.5

x ≥ 26.32

4 0
3 years ago
Graph the system of​ equations, and determine the solution.<br> x+4y=8
bekas [8.4K]

Answer:

12

Step-by-step explanation:

5 0
3 years ago
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