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Reil [10]
2 years ago
5

Luke earned $20 shoveling driveways. He put 10% in his savings account and spent $9.50 on a game. How much money does he have le

Mathematics
1 answer:
Damm [24]2 years ago
8 0

Answer:

He has 50 cents left

Step-by-step explanation:

All you have to do is subtract 10 from 20 which is 10, then subtract $9.50 from 10 which only leaves us with 50 cents

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Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
iren [92.7K]

Answer:

(y+1)

Step-by-step explanation:

use quadratic formula.

you will get two values of y

y= 7/5 and y= -1

u can create factors using these values of y (making 0 subject)

like

for 7/5

7/5=y

7=5y

5y-7=0

zero becomes subject in such cases bcz there are no numbers left on that side

now for -1

-1=y

y+1=0

so your factors are 5y-7 and y+1

5 0
3 years ago
Read 2 more answers
In the equation 32-b=3b-8
Marrrta [24]

Answer:

10

Step-by-step explanation:

32-b=3b-8

32+8=3b+b

40=4b

b=10

4 0
2 years ago
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Which of the following of x and y would make up the following expression represent a real number? (4+5i)(x+yi)
salantis [7]

Answer:

x = 4 and y = - 5

Step-by-step explanation:

note that the product of a complex number and it's conjugate is real

That is

(a + bi)(a - bi) where a, b are real

= a² - abi + abi - b²i²

= a² + b² ← a real number

For (4 + 5i)(x + yi) to be real

we require (x + yi) to be the conjugate of 4 + 5i , that is 4 - 5i

(4 + 5i)(4 - 5i) ⇒ x = 4 and y = - 5



8 0
3 years ago
(6.0x10^5)x(3.0x10^4)=? <br><br> 18x10^20 <br> 18x10^9 <br> 1.8x10^20 <br> 1.8x10^10
Leto [7]
(6.0 x 10^5) x (3.0 x 10^4) = (6 x 3) x 10^(5 + 4) = 18 x 10^9 = 1.8 x 10^10
7 0
3 years ago
In the country of Apexistan, 7% of the population was unemployed in September of 2007. If there were 147,000,000 people willing
Natali [406]
147,000,000*7%=   10290000
8 0
3 years ago
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