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nadezda [96]
3 years ago
8

There are 18 children at a sleepover party. Eleven of the children have blankets, and the other 7 children have stuffed animals.

No children have both. If Jorge arrives and carries a stuffed animal, what fraction of the children at the party now have stuffed animals?
Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
7 0

Answer:

Fraction = \frac{8}{19}

Step-by-step explanation:

Every fraction has a numerator (dividend) and a denominator (divisor). To calculate them, we reason about the problem.

Denominator:

Initially, there are 18 children, but now Jorge arrives, so there are a total of 19 children.

Numerator:

Similarly, there were 7 children with stuffed animals, but Jorge brought a stuffed animal, so there are now 8 stuffed animals.

Fraction:

There are 8 children with stuffed animals (numerator) out of a total of 19 children (denominator).

The resulting fraction is \frac{8}{19}

Hope this helps!

padilas [110]3 years ago
6 0
The answer is 8/19, because when Jorge comes, there are 19 people at the party and 8 people who have stuffed animals, so the answer is 8/19.
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Four glasses of milk and 3 snack bars have a total of 82 carbohydrates (carbs), and 2 glasses of milk and 4 snack bars have a to
vredina [299]

Answer:

  • milk: 10 carbs
  • snack bar: 14 carbs

Step-by-step explanation:

Let m and s represent the carbs in the milk and snack bar, respectively. The given relations are ...

  4m +3s = 82

  2m +4s = 76

Subtracting the first equation from twice the second gives ...

  2(2m +4s) -(4m +3s) = 2(76) -(82)

  5s = 70 . . . . . . . simplify

  s = 14 . . . . . . . divide by 5

We substitute this into the second equation to find m.

  2m +4(14) = 76

  m +28 = 38 . . . . divide by 2

  m = 10 . . . . . . subtract 28

There are 10 carbs in a glass of milk; 14 carbs in a snack bar.

3 0
2 years ago
Can you please help me with this?
ira [324]
I think you divide 20 and 8 ... I just took a wild guess, I'm not the best at shape/figure questions, so I'm really sorry.
Hopefully that helped! :) 
8 0
3 years ago
Read 2 more answers
If the product of x^2a-1/y^3b+4 and x^7b-4/y^10-a is x^24/y^19 find the value of a and b
lidiya [134]

Answer:

a = 4; b = 3

Step-by-step explanation:

For the question to make any sense, we need to add parentheses.

... x^(2a-1)/y^(3b+4) × x^(7b-4)/y^(10-a) = x^24/y^19

Equating exponents, we have ...

... (2a-1) + (7b-4) = 24 . . . . exponent of x in the product

... (3b+4) + (10 -a) = 19 . . . exponent of y in the product

Simplifying these two equations, we get

... 2a +7b = 29

... a -3b = -5

By Cramer's rule, ...

... a = (7·(-5) -(-3·29)/(7·1 -(-3·2)) = 52/13 = 4

... b = (29·1 -(-5·2))/13 = 39/13 = 3

_____

<em>More about Cramer's Rule</em>

If you have the linear equations ...

  • ax +by = c
  • dx +ey = f

The solutions for the variables x and y can be found directly from the equation coefficients as ...

... x = (bf -ec)/(bd -ea)

... y = (cd -fa)/(bd -ea) . . . . same denominator as for the first equation

Once you recognize the pattern in the products, the formula is not difficult to remember.

___

This is actually the Vedic math version of Cramer's rule. It differs from the usual presentation of Cramer's rule in that both numerator and denominator are negated. This makes the pattern of products easier to remember and gives exactly the same result.

6 0
3 years ago
Kevin started his science test at 2{:}34\text { p.M.}2:34 p.M.2, colon, 34, start text, space, p, point, m, point, end text and
kirza4 [7]

Answer:

26 Minutes.

Step-by-step explanation:

Kevin started his science test at 2{:}34\text { p.M.}

He finished the test 75 minutes later.

Now: 75 Minutes = 1 hr 15 Minutes

2:34 + 75 Minutes

=2:34+1:15

=3:49 P.M.

Kevin finished his test by 3:49 P.M.

Kevin has football practice at 4:15 P.M.

Therefore, the time Kevin had between the end of the test and the beginning of football practice

=4:15 P.M.-3:49 P.M.

=26 Minutes.

4 0
3 years ago
The measure of A∠ is greater than twice the measure of B∠ . If the angles’ sum is 42 degrees, find the measure of A∠ .
Zarrin [17]

Step-by-step explanation:

I think angle A = 21 degree

because in the question there is angle A Is twice means angle a + angle a= 4G degree

2 angle a=42 degree

42 divides by 2

answer is 21 degree

3 0
2 years ago
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