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laila [671]
2 years ago
12

The graphs of these two equations intersect in how many points? x^2+y^2=25 x^2-y^2=3

Mathematics
1 answer:
Korolek [52]2 years ago
4 0

Answer:

Step-by-step explanation:

x²+y²=25

it is a circle with radius=5

x²-y²=3

it is a hyperbola.

x²-y²=3

so they intersect in four points.

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Is 2/13a repeating decimal
Veseljchak [2.6K]

Answer:

No

Step-by-step explanation:

2/13=0.15384615

6 0
3 years ago
Instead of dividing 400 by 16, Chip thought of an equivalent division problem that was easier for him to divide. Write an equiva
galben [10]
You can divided each by 4 and get this easy answer..

100 divided by 4= 25. Hope it helps!
5 0
3 years ago
A surveyor, Toby, measures the distance between two landmarks and the point where he stands. He also measured the angles between
vagabundo [1.1K]
What we know so far:
Side 1 = 55m
Side 2 = 65m
Angle 1 = 40°
Angle 2 = 30°

What we are looking for:
Toby's Angle = ?
The distance x = ?

We need to look for Toby's angle so that we can solve for the distance x by assuming that the whole figure is a SAS (Side Angle Side) triangle.

Solving for Toby's Angle:
We know for a fact that the sum of all the angles of a triangle is 180°; therefore,
180° - (Side 1 + Side 2) = Toby's Angle
Toby's Angle  = 180° - (40° + 30°)
Toby's Angle = 110°

Since we already have Toby's angle, we can now solve for the distance x by using the law of cosines r² = p²+ q²<span>− 2pq cos R where r is x, p is Side1, q is Side2, and R is Toby's Angle.
</span>
x² = Side1² + Side2² - 2[(Side1)(Side2)] cos(Toby's Angle)
x² = 55² + 65² - 2[(55)(65)] cos(110°)
x² = 3025 + 4225 -7150[cos(110°)]
x² = 7250 - 2445.44
x = √4804.56
x = 69.31m

∴The distance, x, between two landmarks is 69.31m
8 0
3 years ago
6 1/5 × 5 = <br> please help me i dont know the answer
Elan Coil [88]

Answer:

31

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Find the value of x for which
Artyom0805 [142]
B


hope this helps :)
(can you please mark me as brainliest?)
4 0
3 years ago
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