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3 years ago

Percent is always out of _________ ?

Mathematics

2 answers:

tensa zangetsu [6.8K]3 years ago

5 0

Answer:

100

Step-by-step explanation:

liraira [26]3 years ago

4 0

Answer:

Percent is always out of 100

Step-by-step explanation:

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A sum of Rs 135 is divided into two parts. If the greater part exceeds the smaller by Rs 25,find the parts of the sum.

Alchen [17]

The parts of the sum are 55 and 80.

Step-by-step explanation:

Let,

'x' be the smaller part and

'y' be the greater part of the number.

The sum is x+y = 135. --------(1)

The greater part y = x+25. ---------(2)

Substitute (2) in (1),

⇒ x+(x+25) = 135

⇒ 2x+25 = 135

⇒ 2x = 110

⇒ x= 110/2

x = 55

The smaller part is 55.

Substitute x=55 in (2)

y = 55+25 = 80

The greater part is 80.

8 0

4 years ago

Find the measures of the numbered angles in the isosceles trapezoid.

torisob [31]

Answer:

Step-by-step explanation:

in an isocelles trapezoid, we have the properties:

the lower base angles are congruent

the upper base angles are congruent

we have an angle= 44

the angle #3= 44 because of the properties

so the lower base angles are equal and equal to 44

sum of the angles in trapezoid=360

360-(44*2)=360-88=272

upper base angles are equal

272/2=136

angle1=angle2=136

4 0

3 years ago

Which shows the correct expression and answer for solving 1.8 x 1.2 with partial products?

Marat540 [252]

Answer:

Step-by-step explanation:

1.8 x 1.2 = 2.16

4 0

3 years ago

to attend a football game it costs $8 for a parking ticket plus $59 per ticket. If Brian paid $362, how many tickets did he purc

Lynna [10]

Answer:

5.40

Step-by-step explanation:

First you add to get the total cost so:

$59+$8 = 67

Then to see how much tickets Brian purchased you divided 362 by 67 so:

362/67 = 5.40

And that's your answer!

8 0

3 years ago

A ball is drawn at random from a box containing 12 red,18

Lubov Fominskaja [6]

Answer:

For a: The probability of getting a red or blue ball is 0.48

For b: The probability of getting a white, blue or orange ball is 0.81

For c: The probability of getting neither white or orange ball is 0.48

Step-by-step explanation:

Probability is defined as the extent to which an event is likely to occurs. It is measured by the ratio of the favorable outcomes to the total number of possible outcomes.

$\text{Probability}=\frac{\text{Number of favorable outcomes}}{\text{Total number of favorable outcomes}}$ .......(1)

We are given:

Number of red balls in a box = 12

Number of white balls in a box = 18

Number of blue balls in a box = 19

Number of orange balls in a box = 15

Total balls in a box = [12 + 18 + 19 + 15] = 64

For a:

Number of favorable outcomes (ball must be red or blue) = [12 + 19] = 31

Total number of outcomes = 64

Putting values in equation 1, we get:

$\text{Probability of getting a red or blue ball}=\frac{31}{64}=0.48$

For b:

Number of favorable outcomes (ball must be white or blue or orange) = [18 + 19 + 15] = 52

Total number of outcomes = 64

Putting values in equation 1, we get:

$\text{Probability of getting a white or blue or orange ball}=\frac{52}{64}=0.81$

For c:

Number of favorable outcomes (ball must be white or orange) = [18 + 15] = 33

Total number of outcomes = 64

Putting values in equation 1, we get:

$\text{Probability of getting a white or orange ball}=\frac{33}{64}=0.52$

Probability of getting a ball which is neither white or orange = [1 - (Probability of getting a white or orange ball)] = [1 - 0.52] = 0.48

7 0

3 years ago