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3 years ago

15

(03.03) The point R is halfway between the integers on the number line below and represents the number ____. (Use the hyphen for

negative numbers and write the answer as a decimal, such as -6.4).

1 answer:

madam [21]3 years ago

3 0

Answer:

Halfway 8787

Step-by-step explanation:

Okay man so wouwiw r Kelly 888999

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STALIN [3.7K]

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3 years ago

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Solve the following:<br> a. 4x^2 + 5x + 3 = 2x^2 − 3x<br> b. c^2 − 14 = 5c

Jet001 [13]

Answer:

(a) x = -0.418 , -3.581

(B) c = 6.855, -1.855

Step-by-step explanation:

(A) We have given equation $4x^2+5x+3=2x^2-3x$

$2x^2+8x+3=0$

On comparing with standard quadratic equation $ax^2+bx+c$

a = 2, b = 8 and c = 3

So roots of the equation will be $x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}=\frac{-8\pm \sqrt{8^2-4\times 2\times 3}}{2\times 2}=\frac{-8\pm 6.324}{4}=-0.418,-3.581$

(b) $c^2-14=5c$

$c^2-5c-14=0$

a = 1, b = -5 and c= -14

So $c=\frac{-b\pm \sqrt{b^2-4ac}}{2a}=\frac{-(-5)\pm \sqrt{(-5)^2-4\times 1\times (-14)}}{2\times 1}=\frac{5\pm 8.71}{2}=6.855,-1.855$

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3 years ago

Does this table represent a function? Why or why not?

artcher [175]

Answer:

NO. B is the answer

Step-by-step explanation:

because there are two of the same x values, causing there to <u>not</u> form a straight line.

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What is the area of a sector with a central angle of 3pi/5 radians and a diameter of 21.2cm

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To find the answer, first you have to start by finding the percent of the circle in the sector. Convert the radians given to 108 degrees. 108 out of 360 is 30%.

Now, find the area of the circle. It's pi x r^2, so the area is 352.810.

Multiply this by 30% to find our area of 105.84 cm^2

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3 years ago

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irga5000 [103]

Answer: 1/3

Step-by-step explanation:

lol hope i helped:)

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