Questions 2,3, and 4 please

Mathematics

1 answer:

Mice21 [21]3 years ago

7 0

2. 7 to 5 and a total of 96 in this radio there is a total of 12 so divide 96 by 12 to find out how many sets of 7:5 are in 96 stickers
96/12= 8
It's wants large stickers
7×8= 56 large stickers

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The length of a standard jewel case is 3 cm more than its width. The area of the rectangular top of the case is 304 cm squared.

valentina_108 [34]

Answer:

width = 16 cm

length = 19 cm

Step-by-step explanation:

Let the width be x cm.

Given that length is 3 cm more than width then

length = x+3 cm

area of rectangle = 304 square cm. -----1

area of rectangle is given by

area =length * width

substituting from equation 1 and length and width in terms of x we have

304 = x(x+3)

$=> 304 = x^2+3x\\\\=> 304 -304= x^2+3x -304\\=> 0= x^2+3x -304\\=> x^2+3x -304 = 0\\=> x^2+19x - 16x -304 = 0\\=> x(x+19 ) -16(x+19) = 0\\=> (x-16) (x+19 )= 0\\x-16 = 0 \ or \ x+19 = 0\\ x= 16 \or \ x = -19$

As length cannot be negative hence x = 16

Thus width = x = 16 cm

length = x+3 = 16+3 = 19 cm

6 0

4 years ago

One group (A) contains 390 people. Three-fifths of the people in group A will be selected to win $100 fuel cards. There is anoth

svetoff [14.1K]

The ratio of nonwinners in group A to nonwinners in group B after the selections are made is 156 : 319.

<h3>What is the ratio?</h3>

Ratio expresses the relationship between two or more numbers. It shows the frequency of the number of times that one value is contained within other value(s).

Nonwinners in group A = (1 - 3/5) x 390 = 156

Winners in group B = (390 - 156) = 234

nonwinners in group B = 553 - 234 = 319

The ratio = 156 : 319

To learn more about ratios, please check: brainly.com/question/25927869

#SPJ1

5 0

3 years ago

Need help ASAP like please

kenny6666 [7]

Answer:

what is this bro .................