2 years ago

A number is chosen at random from 1 to 10 find the probality of selecing a 3 or smaller

Mathematics

1 answer:

Goryan [66]2 years ago

5 0

1,2,3,4,5,6,7,8,9,10---1,2 are the only ones that are under 3 (not including 3, remember)
2/10 or 1/5

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There are 26 students in your class. There are 4 more girls than boys. Use a system of linear equations to find how many boys ar

baherus [9]

I hope this helps you

boys+4=girls

boys+girls=26

boys+boys+4=26

2.boys=22

boys=11

girls=15

6 0

2 years ago

Multiply. (3.5x10^-5) (3x10^-10) express your answer in scientific notation.

Len [333]

Answer:

5.69034 × 1011

Step-by-step explanation:

Decimal

1234000000

Scientific Notation

1.234 x 10^9

×10^

1st Number

1.234

×10^

Operation

2nd Number

5.678

×10^

3 0

3 years ago

The center of the circle is at (-2,-7) and its radius is 36.

Vanyuwa [196]

Standard form for circle with radius r and center (h,k) is
(x-h)^2+(y-k)^2=r^2

r=36
center at -2,-7
(x-(-2))^2+(y-(-7))^2=36^2
(x+2)^2+(y+7)^2=1296

firts option

6 0

2 years ago

can you help me evaluate this: 7m + 14m - 6n - 5n + 2m. why do you add 6n with 5n instead of subtract?

Mademuasel [1]

Step-by-step explanation:

The reason is because it is not just 6 it is - 6 so when there are two negative numbers they don't subtract they add if it was 6n then it was to be subtracted

21m - 11n + 2m

23m - 11n

6 0

2 years ago

Value<br>5. What per cent of 84 is 14?

galben [10]

14/84 x100 =. 1/6 x 100 = 16.66%

4 0

2 years ago