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Aleksandr [31]
3 years ago
13

Verify that –(-x) is the same as x , for x = −4/5

Mathematics
2 answers:
Westkost [7]3 years ago
7 0

Answer:

Step-by-step explanation:

-(--4,5)= -(4,5)= -4,5

Margarita [4]3 years ago
6 0

Answer:

hope it helps Mark me as brainliest

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HELP WILL MARK BRAINLIEST
Komok [63]

Answer:

$21.46

Step-by-step explanation:

step 1) Multiply your subtotal by the applicable tax rate and enter the tax charged below your subtotal. So, if your subtotal is $16.40 and you need to apply sales tax at 9 percent, multiply $16.40 by 0.09 to arrive at $1.48. Add your subtotal to the tax your're charging to arrive at the total amount due.

step 2) If you want to leave a 20% tip, multiply the cost by 0.20 to get the tip amount or multiply the cost by 1.20 to get the total including tip.

step 3) if you haven't already add the amounts you got for the tax and tip to the subtotal $16.40 and you will get the answer: $21.46

8 0
3 years ago
At this same time in 2010, 78% of people said they went out dancing at least one night a month. Recently, this number has increa
bezimeni [28]

Answer:

80 %

Step-by-step explanation:

since the percentage has increased by 2%, we say 78%+2%=80%

3 0
3 years ago
Read 2 more answers
43x+ 67y = -24 and 67x + 43y = 24 solve
aleksandrvk [35]

Answer:

  (x, y) = (1, -1)

Step-by-step explanation:

We'll write these equations in general form, then solve using the cross-multiplication method.

  43x +67y +24 = 0

  67x +43y -24 = 0

∆1 = (43)(43) -(67)(67) = -2640

∆2 = (67)(-24) -(43)(24) = -2640

∆3 = (24)(67) -(-24)(43) = 2640

These go into the relations ...

  1/∆1 = x/∆2 = y/∆3

  x = ∆2/∆1 = -2640/-2640 = 1

  y = ∆3/∆1 = 2640/-2640 = -1

The solution is (x, y) = (1, -1).

_____

<em>Additional comment</em>

The cross multiplication method isn't taught everywhere. The attachment explains a bit about it. Our final relationship changes the order of the fractions to 1, x, y from x, y, 1. That way, we can use the equation coefficients in their original general-form order. (The fourth column in the 2×4 array of coefficients is a repeat of the first column.)

4 0
3 years ago
What is the value of x?
Komok [63]

Answer:

x=14/3

Step-by-step explanation:

According to the corresponding angles theorem, when parallel lines are cut by a transversal, the corresponding angles are congruent. These 3 lines are all parallel, so 70 = 12x +14.

Subtract 14 from both sides

56 = 12x

Divide both sides by 12

14/3 = x

x=14/3

5 0
3 years ago
The triangles are similar. Which side of triangle JGH corresponds to side PM of PMO? I think it’s JG.
nexus9112 [7]

It is JG! You must rotate the second triangle so both triangles are at the same angle. Then, look at the lines and find the corresponding line segment on the other triangle.

6 0
3 years ago
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