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Elan Coil [88]
3 years ago
11

The sum of two numbers is 14. The first number 2/5 of the second number. What are the numbers?

Mathematics
1 answer:
Darina [25.2K]3 years ago
3 0

Answer:

10 and 4

Step-by-step explanation:

2/5 of 10 is 4 so that is it

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At the library, 56 people borrowed
irina [24]

Answer:

24 people borrowed the books on Friday

Step-by-step explanation:

Every day, the number of books is being subtracted by 2.

56 - Monday (-8)

48 - Tuesday (-8)

40 - Wednesday (-8)

32 - Thursday (-8)

24- Friday

5 0
2 years ago
Lisa's test grades are 79, 89, and 90. there will be one more test this year. if lisa wants her test average to be at least 88,
erik [133]
For this case, what we are going to do first is to assume that all the exams are worth the same percentage of the final grade.
 We have then that Lisa's average grade point equation is:
 88 =  \frac{79 + 89 + 90 + x}{4}
 Where,
 x: minimum note that lisa must obtain in the last exam.
 Clearing x we have:
 x = (88 * 4) - (79 + 89 + 90)

x = 94
 Answer:
 
the lowest grade she can get on her last test is:
 
x = 94
5 0
3 years ago
Please help i need answer and explanation.
allsm [11]

Answer:

m<TVZ = 95

Step-by-step explanation:

2x+15+2x+5= 180

4x+20 =180

     -20  -20

4x=160

x= 40

2x+15= m<TVZ

2(40)+15 = m<TVZ

80+15 = m<TVZ

95 = m<TVZ

To check:

2x+5= <WVZ

2(40)+5 = <WVZ

80+5 = <WZV

85+95 = 180

The two angles together should equal 180. Comment if you have any questions :)

6 0
3 years ago
Read 2 more answers
10 less than a number is the same number doubled. What is the number?
slega [8]

Answer:

-10

Step-by-step explanation:

Let x = number

10 less than a number is the same number doubled

x-10 = 2x

Subtract x from each side

x-10-x = 2x-x

-10 = x

The number is -10

5 0
3 years ago
Plz help will mark brainliest 6 points
DochEvi [55]

Answer:

point A.

Step-by-step explanation:

B would be 2.5 and point a is in the middle or -4 and -3 which would make it -3.5

8 0
3 years ago
Read 2 more answers
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