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Natalija [7]
3 years ago
7

Evaluate ab-0.5b a=1 b=5

Mathematics
1 answer:
amid [387]3 years ago
3 0

Answer:

2.5

Step-by-step explanation:

1(5)-0.5(5)=5-2.5=2.5

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Alejandro made an error in the steps below when determining the equation of the line that is perpendicular to line 4x - 3y = 8 a
Ronch [10]

 

Hello:<span>
the equation is : y = ax+b
the slope is a : a×(4/3) = -1......( perpendicular to a line with a slope of   4/3)            because :     4x-3y =8...y=(4/3)x-8/3    )     </span>

<span>
a = -3/4         y=(-3/4)x+b
the line that passes through (3, -2) :- 2 = (-3/4)(3)+b
b =1/4
<span> the equation is :  y  = (-3/4)x+1/4</span></span>

5 0
3 years ago
Joey spins a spinner and lands on the number 4. Then Jennifer spins and lands on the number 2. Are these events independent or d
miv72 [106K]

Answer:

Independent. The spins do not have any connections nor do the players.

Step-by-step explanation:

7 0
3 years ago
Which of the following shows the correct steps in solving the equation?<br> -8x + 3 = 19
Firlakuza [10]

Answer:

-8x=19-3

-8x=16

x= 16/-8

x=-2

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Pls answer this with an explanation if you can
Nuetrik [128]

Answer:

The answer is D

Step-by-step explanation:

$13.95 divided by 100 = 1% which is equal to $0.1395

To get 15% of her bill, you need to multiply $0.1395 by 15 which gives you $2.0925. You then round this to 2 significant figures, which totals to $2.10.

3 0
3 years ago
You are debating about whether to buy a new computer for $800.00 or a refurbished computer with the same equipment for $640.00.
liraira [26]

APR refers to annual interest rate i e 4.5%

Difference:-

  • 800-640
  • 160$

Now

Interest:-

  • 160(0.045)
  • 7.20$

Total savings:-

  • 160+7.20
  • 167.20$

Remember the code:-

  • Question's calculations mostly given in its options
4 0
2 years ago
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