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sveticcg [70]
3 years ago
11

Solve each equation and verify the solution a) 5+2x=25 b) 14=5x-6 c) 15=4x+7

Mathematics
1 answer:
Bad White [126]3 years ago
3 0

Answer:

Hi there!

Your answers are:

a) x= 10

b) x= 4

c) x= 2

Step-by-step explanation:

a) 5+2x=25

-5

2x= 20

/2

x= 10

<u>Plug back in!</u>

5+2(10)= 25

5+20=25

25=25✓✓✓

b) 14= 5x-6

+6

5x= 20

/5

x= 4

14= 5(4)-6

14= 20-6

14=14✓✓✓

c) 15= 4x+7

-7

8= 4x

/4

2=x

15= 4(2)+7

15= 8+7

15= 15✓✓✓

Hope this helps!

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An owner of a small store knows that in the last week 54 customers paid with cash, 42 paid with a debit card, and 153 paid with
goblinko [34]

Answer:

Step-by-step explanation:

54 customers paid with cash

42 paid with debit card

153 paid with credit card

Add them up to find the total amount of people:

54 + 42 + 153 = 249

Now write 54(the number of customers who paid with cash) as a fraction over the total, 249.

54/249

So the probability that customers will pay cash is 54/249 or 18/83

8 0
3 years ago
Supervisor: "Congratulations. You received a score of 3.4 on your annual review. Merit increases are given out starting at .5% a
Brut [27]
The employee will need to figure out how many groups of 0.4 points they have beyond a score of 2.6. To do this subtract 3.4 and 2.6.

3.4 - 2.6 = 0.8
This is two groups of 0.4.

So, 0.5% + 1% + 1%= 2.5 % pay increase.
8 0
3 years ago
Read 2 more answers
Plz help me asap i will mark you brainly
Maksim231197 [3]

Answer:

2.5 hours

Step-by-step explanation:

Divide the travelled miles by the amount of hours to get the travelled miles for one hour. (17 miles in 1 hour) Then divide 42.5 by 17 to get the amount of time it takes to go 42.5 miles. (42.5 miles in 2.5 hours)

Hope this helps!

7 0
3 years ago
Read 2 more answers
Is this answer is right, please help!
Mariulka [41]
The first 2 parts are correct 
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7 0
4 years ago
Its due in a half hour please help!!
Allushta [10]

Answer:

the hypotenuse of the triangle is 15 cm and other two sides of the triangle are 9 cm and 12 cm and one angle of the triangle is 90°.

Step-by-step explanation:

Pythagorean Theorem: According to this theorem the result obtained by  squaring the value of the hypotenuse of a right angled triangle is equal to the sum of the squares of the values other two sides of the triangle.

Hypotenuse = h

Altitude = l

Base = b

l²+b²=h²

Here 6²=36

9²=81

12²=144

15²=225

From the above it is clear that

81+144=225

⇒9²+12²=15²

Therefore  the hypotenuse of the triangle is 15 cm and other two sides of the triangle are 9 cm and 12 cm and one angle of the triangle is 90°.

5 0
3 years ago
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