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Umnica [9.8K]
3 years ago
9

Multiply: (x – 4)(x + 5)

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0
(d) is the correct answer.
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Kim purchased a $65.00 dress for 20% off. How much did she save?
Ainat [17]
The best thing to do here is to find ten percent, and then double it.
To do this, you divide the number you have by 10.
65.00/10= 6.50
Therefore, you've now got to multiply this by 2.
6.5*2= 13
Therefore, Kim saved $13 on the price of the dress.
Hope this helps :) 
6 0
3 years ago
A line passes through the point (–2, 7) and has a slope of –5. A coordinate plane. What is the value of a if the point (a, 2) is
Nana76 [90]

Y = mx + c

7= (-5)(-2)+ c

7= 10 +c

7-10=c

-3=c

Equation of the line: y = -5x-3

Sub in (a, 2)

2= - 5(a)-3

2+3= -5a

5= - 5a

1= - a

A = -1

8 0
3 years ago
Read 2 more answers
Convert 3.55 grams potassium to atoms
vampirchik [111]
<span>Firstly, you'll need to convert the grams into number of mols. Since no. of mol = mass/molecular weight3.55/39.1 = 0.09079 mol because 1 mol of potassium ...</span><span>
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6 0
3 years ago
Helppp please im confused a bit
fredd [130]

So for this one, all you have to do is plot the points it's giving you :)

Then you connect the lines and you get a shape from A-b-c-d

4 0
3 years ago
A sock drawer has 17 folded pairs of socks, with 5 pairs of white, 8 pairs of black and 4 pairs of blue. What is the probability
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Answer:

26.4%

Step-by-step explanation:

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