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Damm [24]
3 years ago
9

SOLVE AND SHOW WORK PLEASE!!!

Mathematics
1 answer:
Marianna [84]3 years ago
6 0
1st equation x - 7 < 14:

x < 14 + 7 (add 7 to both sides)
x < 21 (add 14 + 7 so it can equal 21)

2nd equation x + 13 > 21:

x > 21 - 13 (subtract 13 from both sides)
x > 8 (subtract 21 - 13 so it can equal 8)
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jorge scored 4 out of 5 on a test. jane scored 8 out of 10 on a test. did Jorge and jane get equivalent scores​
Assoli18 [71]
Yes! 4/5 is .8 and so is 8/10.
5 0
3 years ago
Cindy has 26 nickels. She is getting rolls of nickels from the bank. She has enough money to get up to 10 rolls of nickels and e
Alchen [17]

We know that the domain is actually the number of rolls that she gets because it is the input variable in the equation  f (r) = 40 r + 26. The number of rolls that she can get can never be a negative number nor a zero nor a decimal number. However she can only get up to 10 rolls. Therefore the answer is:

 

all integers from 1 to 10, inclusive

8 0
3 years ago
What is the rate at which the water is leaking in gallons per minute?
Evgesh-ka [11]
About 6 to 12 gallons per minute
6 0
3 years ago
Read 2 more answers
20) Your goal is to earn at least $234.50 this week. If you earn $8.00 per hour plus a bonus amount of $130.50, how many hours d
NISA [10]

Answer:

13

Step-by-step explanation:

243.50 - 130.50 = 104

104 ÷ 8 = 13

6 0
3 years ago
Any help?? I’ve tried this for a hour and couldn’t figure anything out
Effectus [21]

Answer:

3. PR=51

4. FE=28

Step-by-step explanation:

3. since the two triangles are similar, set up a proportion:

x+8/3x-9=24/28

*cross multiply*:

28(x+8)=24(3x-9)

28x+224=72x-216

44x=440

x=20

to find PR:

PR=3x-9

PR=3(20)-9

PR=51

4. same here:

39/4x+2=42/5x-2

39(5x-2)=42(4x+2)

195x-78=168x+84

27x=162

x=6

to find FE:

FE=5x-2

FE=5(6)-2

FE=28

6 0
2 years ago
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