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ivann1987 [24]
2 years ago
6

20. Find the solution to the system of linear equations below:

Mathematics
1 answer:
Luden [163]2 years ago
3 0

Answer:

The last option

Step-by-step explanation:

When you plug in 1 for the x and 2 for y, the answer is -5 for the first equation and is 12 for the second equation. I hope that helps!

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Find the surface area of a square pyramid with a base length of 24 cm and a height of 16 cm. Explain how you solved the problem.
icang [17]

Answer:

the answer b

Step-by-step explanation:

[surface area]=[area of 4 triangles sides]+[area of square base]

[area of square base]=24*24--------> 576 cm²

[area of one triangles side]

l=slant height

l²=16²+12²-------> l²=400-----------> l=20 cm

[area of one triangles side]=24*20/2--------> 240 cm²

[area of 4 triangles sides]=4*240----------> 960 cm²

[surface area]=[960]+[576]--------> 1536 cm²

6 0
3 years ago
A lighthouse that is 36 ft tall stands on the shore of lake michigan. Looking out from atop the lighthouse, a ship suddenly appe
UNO [17]
The distance (in miles) viewable to horizon of a lighthouse oh height h (in feet) is given by approximately

\sqrt{ \frac{7h}{4} }

Given that a<span> lighthouse that is 36 ft tall stands on the shore of Lake Michigan, the distance of the boat it can see on the horizon is given by approximately

</span>\sqrt{ \frac{7\times36}{4} } = \sqrt{63} \approx7.94<span>
</span>
4 0
3 years ago
1. How could you figure out the coordinates of a reflection over the x-axis? What would the coordinates of that reflected point
zzz [600]

The reflection of a point over the x axis is given by the equation (x, y) ⇒ (x, -y).

If the point (-8,2) is reflected over the y-axis, the new point would be (8, 2)

<h3>What is a transformation?</h3>

Transformation is the movement of a point from its initial location to a new location. Types of transformation are <em>reflection, translation, rotation and dilation.</em>

The reflection of a point over the x axis is given by the equation (x, y) ⇒ (x, -y).

If the point (-8,2) is reflected over the y-axis, the new point would be (8, 2)

Find out more on transformation at: brainly.com/question/4289712

#SPJ1

7 0
2 years ago
If a new soccer ball is labeled $22, what would the new price be if the sign above it says "68% off"? Round your answer to the n
Rom4ik [11]
7.04
.68 x 22 = 14.96
14.96 - 22 = $7.04
4 0
3 years ago
Y = f(x) = 2x<br><br><br> Answer as a decimal
skad [1K]

Answer:

insufficient data

Step-by-step explanation:

please give complete question

4 0
2 years ago
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