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Vika [28.1K]
3 years ago
5

Need help w number 1

Mathematics
1 answer:
Lelu [443]3 years ago
8 0
What's the problem? There's no example...
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The number 900 is increased by 20% and then decreased by 20%. Find the new number.(the ans is 864 apparently:/ I need steps)
Georgia [21]

Step-by-step explanation:

if 900 is increased by 20% then

120/100×900=1080

Decreasing it by 20% then

80/100×1080=864

5 0
2 years ago
What is 10 1/7 divided by 5 as a fraction or mixed number?
juin [17]
= 2 1/35
75/7 divided by 5/1
71x1/ 7x5
= 71/ 35
Therefore, 2 1/35
7 0
3 years ago
If angle ABE = 5x+1 and angle CBD = 3x+19
kolbaska11 [484]
the answer to this is
Angle ABE= 56
Angle CBD= 56
Angle ABC= 124
3 0
3 years ago
I need help finding a solution to this equation: 5 (n-1/10)=1/2
Readme [11.4K]

Answer:

n = 1/5

Step-by-step explanation:

Let's solve your equation step-by-step.

5(n− 1 /10 )= 1/ 2

Step 1: Simplify both sides of the equation.

5(n− 1 /10 )= 1 /2

(5)(n)+(5)( −1 /10 )= 1/2

(Distribute)

5n +  −1 /2 = 1 /2

Step 2: Add 1/2 to both sides.

5n +  −1 /2  +  1 /2  =  1 /2  +  1 /2

5n=1  

Step 3: Divide both sides by 5.

5n /5  =  1 /5

n=  1 /5

7 0
3 years ago
11. John has a life insurance policy that will pay his family $32,000 per year if he dies. If interest rates are at 2.5% when th
mote1985 [20]

Answer:

$1280000

Step-by-step explanation:

Given that :

John has a life insurance policy that will pay his family $32,000 per year if he dies

If interest rates are at 2.5% when the insurance company has to pay

The amount of the lump sum that the insurance company must out into a bank account can be determined by the division of the amount to be paid by the interest rate.

i.e

the amount of the lump sum = $32000/2.5%

the amount of the lump sum = $32000/0.025

the amount of the lump sum = $1280000

7 0
3 years ago
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