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Marizza181 [45]
3 years ago
5

When will corona end?

Mathematics
2 answers:
g100num [7]3 years ago
6 0

Answer:

It is very hard to tell.

Step-by-step explanation:

The curve must start slowing down in order for things to go back to normal. The reason why everything is being shut down for such a long time is becuase it is a new virus. The medical community must figure out how this virus works.

padilas [110]3 years ago
3 0

Answer:We don’t know for sure but soon

Step-by-step explanation:

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For how long will the Tokyo Olympics be delayed?
Anton [14]

Answer:

he Tokyo Olympics delayed until 2021 due to the coronavirus, officials announced on Tuesday.

Step-by-step explanation:

6 0
3 years ago
Solve: -5√x= -15<br><br> a: x=-9<br> b: x= -7<br> c: x=9<br> d: x=7
babymother [125]
Divide both sides by -5
Sqrt(x) = 3
We want to isolate x to solve for it. The opposite of a square root is a square, so square both sides.
x = 9
It can't be -9 because the square root of negative numbers are not real numbers.
4 0
3 years ago
Read 2 more answers
On a shopping trip in Los​ Angeles, Rosaria Perez ordered 120 pieces of​ jewelry: a number of bracelets at ​$10 each and a numbe
Tomtit [17]

9514 1404 393

Answer:

  • 50 bracelets
  • 70 necklaces

Step-by-step explanation:

Let n represent the number of necklaces Rosaria ordered. Then the total cost of the order is ...

  10(120 -n) +11(n) = 1270

  n = 70 . . . . . . . . . . . . . simplify, subtract 1200

  120 -70 = 50 . . . . . . . the number of bracelets

Rosaria purchased 70 necklaces and 50 bracelets.

8 0
3 years ago
Please try to give me the answers
gladu [14]

Answer:

a = 1, b = 2, c = 3

Step-by-step explanation:

a +  \frac{1}{b +  \frac{1}{c} }  =  \frac{10}{7}  \\  \\ a +  \frac{1}{b +  \frac{1}{c} }  = 1 +  \frac{3}{7}  \\  \\ a +  \frac{1}{b +  \frac{1}{c} }  = 1 +   \frac{1}{\frac{7}{3} }  \\  \\ a +  \frac{1}{b +  \frac{1}{c} }  = 1 +   \frac{1}{2 + \frac{1}{3} }  \\  \\ equating \: like \: terms \: on \: both \: sides \\  \\ a = 1 \\  \\ b = 2 \\  \\ c = 3

5 0
3 years ago
There are 10 rolls of film in a box and 3 are defective. two rolls are selected without replacement. what is the probability of
german

P(picking one defective) = 3/10
P(picking a 2nd defective) = 2/9


P(1 and 2  defective) = 3/10 x 2/9  = 6/90 = 0.066

Second method using combination:
 ³C₂ / ¹⁰C₂ = 1/15 = 0.066
4 0
3 years ago
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