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iVinArrow [24]
2 years ago
8

If the parabola of the form y = a(– h)^2 + k is always shifted horizontally h units and vertically k uni

Mathematics
1 answer:
quester [9]2 years ago
3 0

Answer:

im confused

Step-by-step explanation:

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Write the equation of a line that is perpendicular to y=-2/7x+9 and passes through the point (4,-6)
Ulleksa [173]
This is in slope-intercept form, so you can think of it as being y=mx+b. Invert m (the slope) and flip its sign, and then substitute the x and y values in and solve for b. The answer is y=7/2x-20. 
6 0
3 years ago
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Very buys a basket of mangoes that is priced $14 before tax. ​ ​The sales tax is 6%. ​ ​What is the total price Avery pays for t
igor_vitrenko [27]

Answer:

Avery needs to pay $14.84

Step-by-step explanation:

When there's a tax we need to sum the original value of the product with the tax's value. To find the amount of money Avery needs to pay in taxes we can apply a rule of three as shown below:

\frac{14}{x} = \frac{100}{6} \frac{\%}{\%}

Where "x" is the tax value, and $14 represents 100%, since it's the value used to calculate the tax. We have:

x = \frac{14*6}{100}\\x = \frac{84}{100}\\x = 0.84

The value to be paid is the product value plus the tax, therefore:

\text{paid} = 14 + 0.84 = 14.84

Avery needs to pay $14.84

6 0
3 years ago
Write the equation of a circle with a center at (-1,2) and a radius of 7
Sever21 [200]

Answer:

(x+1)^2+(y-2)^2=49

Step-by-step explanation:

The standard form for the equation of a circle is (x-h)^2+(y-k)^2=r^2 where  r  is the radius, and the center is (h, k).

(h, k) = (-1, 2),  r = 7

(x-(-1))^2+(y-2)^2=7^2\\\\(x+1)^2+(y-2)^2=49

5 0
3 years ago
The area of a circle is 201cm² . what is the diameter ?
lisabon 2012 [21]

The answer is 16 cm approx.

Diameter= 2\sqrt{a/pi}

=>2\sqrt{201 / 22/7}

=>2\sqrt{201*7/22}

=>15.997.......

=> 16 approx

Hope this helps you!!

8 0
3 years ago
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Which of the following expressions are equal to -58? Select all that apply.
timama [110]
0 - 78 - (-34) + (-14)
34 - 78 - 14
34 + (-14) - 78
I believe those are the correct answers
4 0
2 years ago
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