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4 years ago

7p²-30p + 8 how do you factor this trinomial

Mathematics

1 answer:

tamaranim1 [39]4 years ago

8 0

Step-by-step explanation:

7p²-30p+8

=(p-4)(7p-2)

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What would you add to x^2-16x+___ to complete the square? a. 4 b. 8 c. 64 d. 16

Black_prince [1.1K]

Answer:

c. 64

Step-by-step explanation:

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3 years ago

A central angle of a circle with radius 150 cm cuts off an arc of 200 cm. Find each measure in Exercises 4 and 5.

Harrizon [31]

Answer:

Part 1) The exact value of the arc length is

Part 2) The approximate value of the arc length is

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference of a circle is equal to

$C=2\pi r$

we have

$r=5$ $in$

substitute

$C=2\pi (5)$

$C=10\pi$ $in$

step 2

Find the exact value of the arc length by a central angle of 150 degrees

Remember that the circumference of a circle subtends a central angle of 360 degrees

by proportion

$\frac{10\pi }{360}=\frac{x}{150}$

$x=10\pi *150/360$

$x=\frac{25}{6} \pi$ $in$

step 3

Find the approximate value of the arc length

To find the approximate value, assume

$\pi =3.14$

substitute

6 0

2 years ago

What's the percent of change for 30 to 90

Agata [3.3K]

First of all, remember that 100% is one whole thing.

Then.look at the problem, and see that 90 is three times 30.

-- 90 is 300% of an entire 30 .

-- To go from 30 to 90, you have to increase the 30 by 200% of itself.

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3 years ago

3/4plus 1/9 In the simplest form

ryzh [129]

Answer:

0.861

Step-by-step explanation:

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3 years ago

Read 2 more answers

Enter the equation of the line in the form y=mx where m is the slope.Immersive Reader

kari74 [83]

Answer:

y = 1/2x

Step-by-step explanation:

The slope is the rise (up) over run (left or right depending on if the number is negative) between points. So the next point on the graph is up 5 and over 10. this simplified is 1/2. Then you put this into y=mx which is y=1/2x

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3 years ago