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Arada [10]
3 years ago
5

What is the radius?

Mathematics
1 answer:
Alona [7]3 years ago
5 0
D. 1010.37 km ! blah blah blah blah b
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Find the discriminant of the following equation:
vladimir1956 [14]

Option 1

The discriminant of given equation is 116

<em><u>Solution:</u></em>

We have to find the discriminant of given equation

<em><u>Given equation is:</u></em>

f(x) = 4x^2+6x-5

To find discriminant,

4x^2+6x-5 = 0

\text {For a quadratic equation } a x^{2}+b x+c=0, \text { where } a \neq 0

<em><u>Discriminant is given by:</u></em>

D = b^2-4ac

On comparing the given quadratic equation 4x^2+6x-5 = 0 with general quadratic equation ax^2+bx+c = 0

a = 4

b = 6

c = -5

<em><u>Substituting in above formula,</u></em>

D = 6^2-4(4)(-5)\\\\D = 36-16(-5)\\\\D = 36+80\\\\D = 116

Thus discriminant of given equation is 116

8 0
3 years ago
Question 1: Four expressions are shown below:
vekshin1

Answers;

Question 1 answer: The first and last option.

Question 1 explanation: 2(4x + 2) is 4x = 12 = 2 = 14 x 2 = 28 and 8x + 4 is 8 x 4 = 32 + 4 = 36 which is 8 more than 28 then, 3x = 9 + 2 + 3 x 2 = 28.

2(4x + 2) = 28 and 8x + 4 equals 36 which is 8 more and they're both equivalent to 2(3x + 2 + x) because 2(3x = 2 = x) equals 28.

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=7%5E%7Bx%7D%20%2C%20125%5E%7B5x-3%7D%20%3D%2025%5E%7B-5x%2B2%7D" id="TexFormula1" title="7^{x}
Vinvika [58]
The answer is 7 13/25
8 0
3 years ago
Emily wants to use multiplication to solve 1/5 divided by 3=a
kondaur [170]

Answer:

a = \frac{1}{15}

Step-by-step explanation:

<em>Hey there!</em>

<em />

To solve the given we'll use keep change flip.

\frac{1}{5} / 3 = a\\\\\frac{1}{5} *\frac{1}{3} = a\\\\\frac{1}{15} = a

<em>Hope this helps :)</em>

4 0
4 years ago
Please answer asap!!<br> What are three consecutive integers that have a sum of -51 ??
Setler79 [48]

Answer:

-18, -17, -16

Step-by-step explanation:

Let’s assign x to be our main integer. The next consecutive integer to x is x+1, and the third one after that is x+2. Add everything together and set it equal to -51: 3x+3 = -51

Now, solve for x: x = -18

Add one and add two to -18 to get the rest of your answer:

-18 + 1 = -17

-18 + 2 =-16

7 0
4 years ago
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