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Ierofanga [76]
3 years ago
12

In a class,three fifths of the children are girls.what percentage are boys.

Mathematics
2 answers:
sertanlavr [38]3 years ago
5 0

Answer:

4/5

Step-by-step explanation:

strojnjashka [21]3 years ago
5 0

Answer:

40%

Step-by-step explanation:

If 3/5 = .06 are girls

that means

2/5 = .04  are boys

now

5/5 = 1 are the total children

Finally find the percentage

(.06)(100) = 60% girls

(.04)(100) = 40% boys

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The length of a parking Lot is 5 yards more than the width. If the area of the parking lot is 66 square yards, find the dimensio
Brums [2.3K]

Answer:

  6 yards by 11 yards

Step-by-step explanation:

Factors of 66 are ...

  66 = 1·66 = 2·33 = 3·22 = 6·11

The last pair of factors differ by 5, so represent the solution to the problem.

The width of the parking lot is 6 yards; the length is 11 yards.

7 0
3 years ago
If line GH is perpendicular to line HJ, then GJ is ____ HJ.
valentinak56 [21]

Option A: >

Solution:

Given a triangle GHJ.

The line GH is perpendicular to line HJ.

This means the triangle is a right angled triangle.

In ΔGHJ, GH is the base of the triangle and

HJ is a height of the triangle.

Then the third side must be the hypotenuse of the right triangle.

We know that by the Pythagoras theorem,

(\text {Hypotenuse})^2=(\text{Base})^2+(\text{Height})^2

(\text {GJ})^2=(\text {GH})^2+(\text {HJ})^2

This clearly shows that the hypotenuse is greater than the height.

⇒ GJ > HJ

Option A: > is the correct answer.

If line GH is perpendicular to line HJ, then GJ is > HJ.

3 0
3 years ago
Before 8 A.M., there were 64 trucks and 24 cars in a parking lot. Between 8 A.M. and 9 A.M., more cars entered the parking lot a
malfutka [58]

Answer:

232 cars

Step-by-step explanation:

Let's say the number of cars that entered is c.

At 9:00 am, there are a total of 24 + c cars and 64 trucks. We know that this value of 64 represents 1/5 of the total number of vehicles. The total number of vehicles is (24 + c) + 64 = 88 + c. So, we have:

64/(88 + c) = 1/5

Cross-multiply:

88 + c = 64 * 5 = 320

c = 320 - 88 = 232

Thus, the answer is 232 cars.

Note: as 232 doesn't show up in the answer choices, it's possible that the problem was copied correctly.

<em>~ an aesthetics lover</em>

6 0
3 years ago
Read 2 more answers
What is the midpoints of a segment whose endpoints are (-3, 8) and (7, -2) ?
Sidana [21]
M = (\frac{x_{1} + x_{2}}{2}, \frac{y_{1} + y_{2}}{2})
M = (\frac{7 - (-3)}{2}, \frac{-2 + 8}{2})
M = (\frac{7 - 3}{2}, \frac{6}{2})
M = (\frac{4}{2}, 3)
M = (2, 3)
3 0
3 years ago
Where can the bisectors of the angles of an obtuse triangle intersect
Sliva [168]
That point of concurrency is called the incenter of the triangle
8 0
3 years ago
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