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Katarina [22]
3 years ago
14

Hello

Mathematics
1 answer:
konstantin123 [22]3 years ago
4 0

Answer: hii

Step-by-step explanation:

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The ten's digit of a two digit number is 1 more than 4 times the units' digit. if 63 is subtracted from the number, the order of
ser-zykov [4K]
Let x be the digit in the tens place and y be the digit in the ones place.
so, the digit is xy
<span>
The ten's digit of a two digit number is 1 more than 4 times the units' digit.
</span>x = 4y + 1

<span>63 is subtracted from the number, the order of the digits is reversed
</span>10x + y - 63 = 10y + x
9x - 9y = 63

x = 4y + 1 ------------ (1)
9x - 9y = 63  ---------- (2)

Sub (1) into (2)
9(4y + 1) - 9y = 63
36y + 9 - 9y = 63
27y = 63 - 9
27y = 54
y = 2 ------- sub into (1)

x = 4(2) + 1 = 9

x = 9, y = 2
The number is 92

3 0
4 years ago
Find the <br> x<br> -intercept and <br> y<br> -intercept of the line.<br> 2x-3y=6
Mumz [18]
Y-intercept= (0,2)
x-intercept= (3,0)
Why?
The x-intercept is when y is 0 and y-intercept is when x is 0.
5 0
3 years ago
Shawna won 51 pieces of gum playing basketball at her school's game night. Later, she gave three to each of her friends. She onl
Tanya [424]
15 friends got 3 pieces

51-6=45
45/3=15
7 0
3 years ago
How do I do this plz help
n200080 [17]

Answer:

The formula to find the perimeter of a rectangle is 2L + 2W.

Here L=5 and W=2; hence:

2*5+2*2

=14

The perimeter is 14.

The formula to find the area of a rectangle is length × width; hence:

5*2=10

The area of the rectangle is 10.






4 0
3 years ago
Read 2 more answers
Assume that male and female births are equally likely and that the birth of any child does not affect the probability of the gen
erma4kov [3.2K]
You need to use the binomial probability formula:
p(k) =  \frac{n!}{k!(n-k)!}  p^{k}  (1-p)^{n-k}

where:
n = total number of events = 10
k = number of events we are testing = 6
p = probability of event happening = 0.5

p(6) = \frac{10!}{6!(10-6)!} 0.5^{6} (1-0.5)^{10-6}
= 210×0.015625×0.0625
= 0.205078

Hence, the probability of getting 6 boys out of 10 births is p = 0.205.
6 0
4 years ago
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