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aleksandrvk [35]
3 years ago
11

What is the value of x ??

Mathematics
1 answer:
almond37 [142]3 years ago
5 0
In a kite, all of the angles added together equal 360. You already know there are two right angles, and because of this, you would subtract 180 from the 360, leaving you with 180. In order to solve for x, you have to add 18x-2 to 12x+2 and set it equal to 180. Your equation would be 18x - 2 + 12x + 2 = 180. The 2's would cancel out, leaving you with 18x + 12x = 180, 30x = 180, then 6 = x.
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The triangle ABC and XYZ are similar in that order and AB:XY = 3:2. Find the ratio of the area of triangle ABC to that of triang
kotegsom [21]

Answer:

=9:4

Step-by-step explanation:

The relationship between area and side of triangle is

= (S1/S2)^2= (A1/A2)

=(3/2)^2=(A1/A2)

=9/4=(A1/A2)

=A1:A2=9:4

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B2x%7D%20%7D%7B%5Csqrt%7B%7D%20x-1%7D" id="TexFormula1" title="\frac{\sqrt{
Lubov Fominskaja [6]

Answer:

The expression is unclear so:

If the denominator is \sqrt{x}-1 then your set of existence is given by

\left \{ {{x\ge0} \atop {x\ne1}} \right.

since you want the quantity inside both square roots to be positive (and it happens for both to be simply x\ge0 and you don't want a zero at the denominator so you have to rule out 1.

If the square root includes the whole denominator \sqrt{x-1} the condition becomes \left \{ {{x\ge0} \atop {x>1}} \right.

where you don't include the extreme in the second condition since, again, you don't want to divide by 0. The answer in this case is simply x>1 since values between 0 and 1 will give a negative root which is not a real number.

4 0
3 years ago
15 % of 100 is what<br> number?
Mrrafil [7]

Answer:

The answer is 0.15 I think so

6 0
3 years ago
If f(x) = 2x2 + 1 and g(x) = x2 – 7, find (f + g)(x).
lara31 [8.8K]
Remember that, although it may look intimidating, (f+g)(x) is simply f(x) + g(x)
Therefore:
(f+g)(x) = f(x) + g(x)             Substitute the functions for f(x) and g(x)
(f+g)(x) = (2x² + 1 )+ (x² - 7)         
Notice that we first want to write the functions in as parenthesis before we add them. This helps us keep from getting confused on what signs to give each term.
(f+ g)(x) = 2x² + x² + 1 - 7    Collect like terms
(f + g) (x) = 3x² - 6
Answer is B
7 0
3 years ago
Ivan was given two data sets, one without an outlier and one with an outlier.
anastassius [24]

Answer:

The answer is B

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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