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nikdorinn [45]
4 years ago
10

Write a quadratic equation x with the solution 4 and -9

Mathematics
1 answer:
Maslowich4 years ago
7 0

Answer:

4

Step-by-step explanation:

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A lake measures 600 ft wide. A lodge is on one shore. From Rob’s point on the opposite shore, the angle of elevation to the top
GalinKa [24]
The lodge is 154.15 feet tall.
6 0
4 years ago
Show me how to get this answer show your work
Rama09 [41]

We know that angle MKJ is comprised of angle MKL and angle LKJ. That means if we add MKL and LKJ, we should get 80 degrees, which is the measure of angle MKJ.

MKL + LKJ= MKJ \implies \\ 2x+10+3x-5=80 \implies \\ 5x+5=80 \implies\\ 5x=75 \implies \\ x=15

So, we know that our x is 15. That is not enough to tell whether KL is an angle bisector, because we have to evaluate both MKL and LKJ with x=15, so:

MKL=2(15)+10 = 40\\ LKJ=3*15-5=40

So we see that these two angles are actually bisectors, and the third question best describes this phenomenon.

6 0
3 years ago
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I need help asap!
lisabon 2012 [21]

Write an equation and solve it. Call the length of the shorter piece "x", in this case, the longer piece is "3x". The sum of the two is equal to 116 inches.

4 0
3 years ago
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Find two numbers x and y with a sum of 200 and a difference of 82
enyata [817]

Answer:

Let x be the bigger number, and y be the smaller number.

x+y=200

x=200-y

Since the difference is 82,

x-y=82

Substitute x in:

(200-y)-y=82

200-2y=82

2y=200-82

2y=118

y=59

x=200-59

x=141

4 0
3 years ago
The can is 12cm high and the diameter is 4cm
Pachacha [2.7K]
Firstly, find the radius with the formula diameter (d) : 2

8 : 2 = 4 cm

The Vilume formula is r²hπ = 4²*12*π = 16*12*π = 192π cm³

Your exercise says to use "3" as a value for π

Then V is 192*3 = 576 cm³
4 0
3 years ago
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