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natka813 [3]
4 years ago
11

Solve the following equation for x. x2 - 9x + 18 = 0

Mathematics
1 answer:
maksim [4K]4 years ago
3 0

Answer: x=3 or x=6

Step-by-step explanation:Factor the left side of the equation. Then set factors equal to 0.

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Please find X when x÷20=5
tia_tia [17]
X=100 because 20 X 5 is 100
6 0
4 years ago
Read 2 more answers
What is the surface area of the sphere below?
dedylja [7]

Answer:

C. 36π units²

Step-by-step explanation:

Surface area of a sphere: 4πr²

4\pi r^2\\4\pi (3)^2\\4\pi (9)\\36\pi

7 0
3 years ago
0.4 miles<br> 1.69 miles<br> 3.0 miles<br> 6.4 miles
anygoal [31]

Answer:

.4 is the answer

Step-by-step explanation:

This is a right triangle problem.  We have one leg as .5 in length and the other leg as 1.2 in length.  The "straight" way to your grandma's house is the hypotenuse.  We need to find that length which will give us the distance straight from your house to their house if you didn't have to go out of your way to avoid the water.  The hypotenuse is found with Pythagorean's Theorem.  It will be filled in and solved as follows:

.5^2+1.2^2=c^2

.25+1.44=c^2

1.69=c^2

and c = 1.3

That's the straight distance.  You had to go out of your way to the tune of .5+1.2 which is 1.7 miles.  You figure out how much shorter it is taking the straight path by subtracting 1.7 - 1.3 which is .4

7 0
3 years ago
Using the slope formula, find the slope of the line through the given points. (-2,-3) and (2,-3)
Goryan [66]

<em>Answer:</em>

<em>0</em>

<em>Step-by-step explanation:</em>

<em>   Slope formula: </em>

<em>           ↓</em>

<em> \frac{Y_2-Y_1}{X_2-X_1}</em>

<em> Slope intercept formula:</em>

<em>             ↓</em>

<em>    </em>

<em>      Y=MX+B</em>

<em>\frac{(-3)-(-3)}{2-(-2)}=\frac{0}{4}=0</em>

<em>Therefore the slope is 0.</em>

<em></em>

<em></em>

<em>0 is the correct answer.</em>

<em>I hope this helps you, and have a wonderful day!</em>

5 0
3 years ago
Triangle LMN has been dilated to form triangle L'M'N'. What is the least amount of information needed to determine if the two tr
artcher [175]

The least amount of information needed to establish congruence is; Angles M and M' are congruent, and angles N and N' are congruent.

<h3>What is the least amount of information needed to determine if the two triangles are similar?</h3>

If follows from concept of congruence that two triangles are congruent only if all three angle measures are congruent or all corresponding sides are in the same ratio.

Hence, when angles M, N and M', N' are established as congruent, it follows that the measures are equal respectively.

Ultimately, the measure of angles L and L' are equal and hence, all three angles are congruent in each triangle.

Therefore, the least amount of information needed is; Angles M and M' are congruent, and angles N and N' are congruent.

Read more on congruent triangles;

brainly.com/question/1675117

#SPJ1

8 0
2 years ago
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