3 years ago

Please answer this quickly

Mathematics

1 answer:

MAXImum [283]3 years ago

6 0

Answer:

Polymomial with 4 terms i believe

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X^2-4x+c find the value of c

Sonbull [250]

Answer:

$c = 4$

Step-by-step explanation:

Given

$x^2 - 4x + c$

Required

Find c

The question is incomplete. However, I'll assume the expression is a perfect square.

To find c, we make use of the following formula

$c = (\frac{b}{2})^2$

Where

$ax^2 + bx + c$

By comparison with $x^2 - 4x + c$

$a =1$

$b = -4$

So, $c = (\frac{b}{2})^2$ becomes

$c = (\frac{-4}{2})^2$

$c = (-2)^2$

$c = 4$

<em>The value of c that makes the expression, </em> $x^2 - 4x + c$ <em> a perfect square is 4 and the expression is: </em> $x^2 - 4x + 4$ <em></em>

8 0

3 years ago

In triangle PQR, m∠P = 30°, m∠Q = 90°, and m∠R = 60°. If the triangle is rotated 90° clockwise about a point, what is the measur

bixtya [17]

m<P=60°

Refer to the attachments

8 0

2 years ago

384,000 in scientific notaion

bixtya [17]

Answer: 3.84 · 10^5

Step-by-step explanation:

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3 years ago

Suppose that land in downtown Savannah is valued at $20 per square foot. What is

saveliy_v [14]

Answer:

$165554

Step-by-step explanation: I use the Law of Cosines to find one of the angles of the triangle. Then use the formula for the area of the triangle: A = (1/2)absinC.

C= 92.856 degree

Area = (1/2)(112)(148)sin(92.856°) = 8277.7 ft^2

To find the price just need to take 8277.7 time 20 = 165554

So the answer is $165554

3 0

1 year ago

I don’t know my homework

GenaCL600 [577]

<h3>Whats your question?</h3>

7 0

3 years ago

Read 2 more answers