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dalvyx [7]
2 years ago
10

In triangle IJK, JK=8, KI=14, IJ=11. Which statement about the angles of triangle IJK must be true?

Mathematics
1 answer:
lora16 [44]2 years ago
3 0

Answer:true

Step-by-step explanation: It may be true but jus ask an adult ty

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nydimaria [60]

Answer:

17. is 20 18. is 9hours 19. is 60mph

you get this by doing 100 divided by 5 which equals 20 360 divided by 40=9 and 420 divided by 7 =60

5 0
3 years ago
Determine the selling price and amount of increase of a $450 painting with a 45% markup
melomori [17]

45% of 450 is 202.50

$202.50 is the price of markup

$652.50 is the selling price

8 0
3 years ago
What is the center of the hyperbola whose equation is (y+3)^2/81-(x-6)^2/89=1?
xxMikexx [17]

We have been given an equation of hyperbola \frac{(y+3)^2}{81}-\frac{(x-6)^2}{89}=1. We are asked to find the center of hyperbola.  

We know that standard equation of a vertical hyperbola is in form \frac{(y-k)^2}{b^2}-\frac{(x-h)^2}{a^2}=1, where point (h,k) represents center of hyperbola.

Upon comparing our given equation with standard vertical hyperbola, we can see that the value of h is 6.

To find the value of k, we need to rewrite our equation as:

\frac{(y-(-3))^2}{81}-\frac{(x-6)^2}{89}=1

Now we can see that value of k is -3. Therefore, the vertex of given hyperbola will be at point (6,-3) and option D is the correct choice.

6 0
3 years ago
How would i get the letter in 42n alone?
larisa86 [58]
42n, you can't take the "n" away. The "n" means times a number, so I I write n=2, then the expression will be 42 x 2, substitute the n with a 2
4 0
3 years ago
Read 2 more answers
What two numbers add to 4 and, when multiplied together, equal −12?
lara31 [8.8K]
<span>Let x = first number
Let y = second number
x + y = 4
x * y = (-12)
Solve the first equation for x.
x = 4 - y
Now substitute this value of x into the second equation.
(4 - y) * y = (-12)
4y - y² = (-12)
y² - 4y - 12 = 0
(y + 2) * (y - 6) = 0
Now set both polynomials equal to zero
y + 2 = 0
y = -2
y - 6 = 0
y = 6
If you substituted these two values for y into either equation and solve for x, you would get the combination of 6 and -2

Hope I was able to help you! :)
</span>
4 0
3 years ago
Read 2 more answers
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