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photoshop1234 [79]
3 years ago
12

The weight of the larger of two boxes is 2 lbs less than 5 times the weight of the smaller box. Their sum is 64 lbs. find the we

ight of each box
Mathematics
1 answer:
Lilit [14]3 years ago
8 0
The smaller box is 11 lbs
The larger box is 53 lbs.
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2. Sam has two part-time jobs, delivering pizza and mowing lawns. He makes $9/hr delivering pizza and $7/hr mowing lawns. Last w
frutty [35]

Answer:

<h2>22 hours and 10 hours </h2>

Step-by-step explanation:

let the jobs be x and y, so that

x+y=32--------1

9x+7y=248----2

x=32-y

substitute x=32-y for x in equation 2 we have

9(32-y)+7y=248

open bracket we have

288-9y+7y=248

-2y=248-288

-2y=-40

2y=40

divide both sides by 2 we have

y=40/2

y= 10 hours

subtitute y=10 for y in equation 1 to find x

x+10=32--------1

x=32-10

x=22

x=22 hours

4 0
3 years ago
In the following diagram HI || JK.<br><br>What is the measure of x?​
otez555 [7]

Answer:

64

Step-by-step explanation:

60 + 56 + x = 180

116 + x = 180

x = 180 - 116

x = 64

7 0
3 years ago
Read 2 more answers
I need help asap!!!!
kolbaska11 [484]

Answer:

24: x = 31

25: x = 15

Step-by-step explanation:

Remark

24 is supplementary which means that the two angles add to 180o which is on the right hand side of the equation

25 is complementary which means that the two angles add to 90o which is on the left hand side of the equation

Twenty Four

3x + 31 +2x - 6 =  180              Collect the like terms

3x +2x + 31 - 6 = 180               Do the adding and subtracting.

5x + 25 = 180                          Subtract 25 from both sides

5x + 25 - 25 = 180 - 25

5x = 155                                   Divide by 5

x = 155/5

x = 31

Check

3x + 31 = 3*31 + 31

3x + 31 = 93 + 31

3x + 31 = 124

2x - 6 = 2*31 - 6 = 62 - 6 = 56

Total 124 + 56 = 180 as it should.

Twenty Five

Equation

3x+ 4x -  15 = 90

Solution

7x - 15 = 90        Like terms have been collected on the left.

7x = 90 + 15       15 was added to both sides

7x = 105              Divide by 7      

x = 15                       I'll leave the check to you


5 0
3 years ago
121 as a fration simplifid
PSYCHO15rus [73]

Answer:

-1/1

Step-by-step explanation:

Is the another way to simplified, there's no other way besides that and 121.

4 0
3 years ago
Read 2 more answers
3/8 x 7 4/12 this has taken too long lol
Pie

Answer:

2.75

Step-by-step explanation: hope this helps.

5 0
3 years ago
Read 2 more answers
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