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Rashid [163]
3 years ago
12

24x5+8x4-12x3-10x2-14x-7

Mathematics
2 answers:
Nina [5.8K]3 years ago
6 0

Answer:

194

Step-by-step explanation:

24*5+8*4-12*3-10*2-14*(-7)

=120+32-36-20+98

=194

Semmy [17]3 years ago
3 0

Answer: 194

Step-by-step explanation: because what ur subtracting is actually adding dont forget that!

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Triangles JKL and PML are similar. Find x.<br><br> 20<br><br> 15<br><br> 25<br><br> 9
Ostrovityanka [42]

Answer:

from the similar triangles it will have the ratio is 3/5=15/x ; x=25

7 0
3 years ago
Pat said that the amount of money he has in his pocket is greater than or equal to $5.75 but less than $13.00. Which number line
stiv31 [10]
I can't see the number lines so I really can't help you with this question
8 0
3 years ago
Analyze the diagram below and complete the Instructions that follow.
LekaFEV [45]

Answer:

C = 34

Step-by-step explanation:

XW/XV = YW/YZ [[write it out]]

12 / (12+5) = 24 / x [[x is unknown]]

12 / 17 = 24 / x [[solve for x]]

17(24) = 12x [[cross-multiply]]

408 = 12x [[divide for x]]

x = 34 [[answer]]

6 0
2 years ago
The graph of which functions has an axis of symmetry at x = -1/4?
prisoha [69]

Answer:

2x^2 + x - 1

If I did anything you didn't understand let me know so I can explain.  

Step-by-step explanation:

All of them are quadratics so let's use that.

The first one is 2x^2 + x - 1.  To find the axis of symmetry the strategy is usually to find the two zeroes of a quadratic and pick the number between them.  Something to  notice though is that 2x^2 + x - 1 is just 2x^2 + x sshifted down 1, so they both have the same axis of symmetry.  So I am going to ignore the constant, because then finding the zeroes is much much simpler.  I am going to do this with all opions.

So 2x^2 + x - 1 I am just going to use 2x^2 + x.  If you factor out an x you get x(2x + 1)  So now we have it in factored form and we know the zeroes are 0 and -1/2.  The number directly in between these is -1/4, so the axis of symmetry is x = -1/4.  I don't know if there is only one with that axis of symmetry so i am going to check the rest.

2x^2 - x + 1 means we are only going to look at 2x^2 - x.  factoring we get x(2x - 1) so the zeroes are 0 and 1/2, so the axis of symmetry is at 1/4.

x^2 + 2x - 1 we only use x^2 + 2x.  Factored form is x(x+2) so zeroes are 0 and -2 whichh means axis of symmetry is -1

x^2 - 2x + 1 has the same axis of symmetry as x^2 - 2x, which has zeros at 0 and 2 so the axis of symmetry is at 1.

So yep, it was just the first one.

7 0
3 years ago
Read 2 more answers
Determine the area of the yellow sector. A) 5 4 π in2 Eliminate B) 5 2 π in2 C) 9 2 π in2 D) 15 8 π in2 (Can't figure out how to
uranmaximum [27]

Answer:

1.875\pi square units

Step-by-step explanation:

We know that area of a circle is pi r square.

The sector has a proportional area according to the angle it subtends at the centre.

Here we have a circle of radius 3 inches with central angle 75 degrees.

Total angle of a circle = 360

Area of the given sector = Area of yellow shaded= \frac{75}{360} *\pi (3^2) \\= 1.875\pi

6 0
3 years ago
Read 2 more answers
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