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True [87]
3 years ago
6

I need help with #12

Mathematics
1 answer:
Serjik [45]3 years ago
4 0

Answer:

B

Step-by-step explanation:

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If I round 160,656 to the nearest ten thousand
Snezhnost [94]
To round the number value of 160, 656 to the nearest then thousand, we first disband the value into its expanded form and identify the place order of the numbers. <span>1. 100, 000 = hundred thousand</span> <span>2.60, 000 = ten thousand</span> <span>3.600 = hundreds</span> <span>4.50 = tens</span> <span>5.6 = ones</span> Hence, the 60, 000 here is the value where the ten thousand is, this is where we shall round off the number. Therefore the value becomes, 160,000. Take note of 0-4 rounding rules.



3 0
3 years ago
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What is the y coordinate of the solution to the system of equations? 3x+6y=3 5x-y=27
Illusion [34]
Solve for y
eliminate x
multiply firs tequation by -5 and 2nd by 3 and add them

-15x-30y=-15
<u>15x-3y=81 +</u>
0x-33y=66

-33y=66
divide both sides by -33
y=-2

the y coordinate is y=-2
7 0
3 years ago
A bottle of perfume is spherical with a diameter of 36 mm.
Dafna11 [192]

24.4 mL

By converting mm to cm, we get

1 mm = 1/10 cm

18 mm = 18/10 cm

radius (r) = 1.8 cm

To find the volume,

Volume of sphere = 4/3πr3

= 4/3π(1.8)3

Volume = 24.4 cm3

To find the capacity,

1 cm3 = 1 mL

Capacity = 24.4 mL

7 0
2 years ago
at a point P on the parabola x^2=4ay a normal PK is drawn. From vertex O, a perpendicular OM is drawn to meet the normal at M. S
saveliy_v [14]
<span>Answer: Its too long to write here, so I will just state what I did. I let P=(2ap,ap^2) and Q=(2aq,aq^2) But x-coordinates of P and Q differ by (2a) So P=(2ap,ap^2) BUT Q=(2ap - 2a, aq^2) So Q=(2a(p-1), aq^2) which means, 2aq = 2a(p-1) therefore, q=p-1 then I subbed that value of q in aq^2 so Q=(2a(p-1), a(p-1)^2) and P=(2ap,ap^2) Using these two values, I found the midpoint which was: M=( a(2p-1), [a(2p^2 - 2p + 1)]/2 ) then x = a(2p-1) rearranging to make p the subject p= (x+a)/2a</span>
6 0
3 years ago
What is the number that 12 + 8i is divided by to yield the number represented by point A on the complex plane?
RoseWind [281]

Answer:

4

Step-by-step explanation:

edge 2020

4 0
3 years ago
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