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Dovator [93]
3 years ago
10

2x - y = 5

Mathematics
2 answers:
belka [17]3 years ago
8 0

Answer:

<h3> C.) 7</h3>

Step-by-step explanation:

<h3>#CarryOnLearning</h3>
solong [7]3 years ago
6 0

9514 1404 393

Answer:

  C)  7

Step-by-step explanation:

The determinant is the difference of the cross products of the coefficients.

 D = (2)(3) -(1)(-1) = 6 +1 = 7

The system determinant is 7.

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4 to the second power divided by (3 + 1)
Citrus2011 [14]

Answer:

4

Step-by-step explanation:

3 + 1 = 4

4 to the second power / 4 is 4

5 0
3 years ago
Read 2 more answers
2
emmasim [6.3K]

Answer:

The answer is B

Step-by-step explanation:

hope this helps

5 0
3 years ago
What is a factor of 21x² + 13x - 20
Tems11 [23]

Answer:

(7x-5)(3x+4)

Step-by-step explanation:

4 0
3 years ago
What is the surface area of a conical grain storage tank that has a height of 37 meters and a diameter of 16 meters? Round the a
jek_recluse [69]
The surface area of a cone is equal to the base plus the lateral area.

The base is a circle, and has a diameter of 16 meters.
The radius is always half the diameter, so it is 8 meters.
The area of a circle = πr², where r is the radius. π(8)² = 64π ≈ 201.06193
The area of the base is ≈ 201.06193.

To find the lateral area of the cone, we need to find the slant height.
Since the height, radius, and slant height of the cone form a right triangle, we can use the Pythagorean Theorem to find the slant height with what we are given.
radius² + height² = slant height²
8² + 37² = slant height²
64 + 1369 = slant height²
1433 = slant height²
slant height = √1433

The lateral area of a cone is equal to πrl, where r = radius and l = slant height.
πrl = π(8)(√1433) ≈ 951.39958
(there are other formulas which do the same thing, but it doesn't matter.)

Now we add the lateral area and base together to find our surface area.
201.06193 + 951.39958 = 1152.46151 which rounds to C. 1,152 m².
8 0
4 years ago
What all are the factors off 453,738
vazorg [7]

Answer:

1, 2, 3, 6, 47, 94, 141, 282, 1609, 3218, 4827, 9654, 75623, 151246, 226869, 453738

Step-by-step explanation:

I looked it up

6 0
3 years ago
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