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IgorC [24]
3 years ago
12

Find the sum or difference.

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
6 0
\left[\begin{array}{ccc}-6&-1&5\\4&-4&1\end{array}\right]
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Is the graph of 6x2 - 2y = 7 a line? Explain.
Hoochie [10]

Answer:

No, it is a parabola. (assuming that you meant to write 6x² - 2y = 7).

Step-by-step explanation:

If there is a square in the x or y, this gives it away that it cannot be a straight line.

6 0
3 years ago
Josue leans a 26-foot ladder against a wall so that it forms an
postnew [5]

Answer:

25.61 feet

Step-by-step explanation:

First, we can draw a picture (see attached picture). With the wall representing the rightmost line, and the ground representing the bottom line, the ladder (the hypotenuse) forms a 80 degree angle with the ground and the wall and ground form a 90 degree angle.

Without solving for other angles, we know one angle and the hypotenuse, and want to find the opposite side of the angle.

One formula that encompasses this is sin(x) = opposite/hypotenuse, with x being 80 degrees and the hypotenuse being 26 feet. We thus have

sin(80°) = opposite / 26 feet

multiply both sides by 26 feet

sin(80°) * 26 feet = opposite

= 25.61 feet as the height of the wall the ladder reaches

6 0
2 years ago
Kon'nichiwa !!<br><br>What's the Value of <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20-%203%20%5Ctimes%20-%20%203%7D%2
NeX [460]

Answer:

3 answer

Step-by-step explanation:

hope it helps!!!

3 0
2 years ago
Read 2 more answers
Hello there
den301095 [7]

Answer:

4: 20 cm3

Step-by-step explanation:

6 x 4 = 24

24 x 10 = 240

it is cubic since it is volume

7 0
2 years ago
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-4 (x + 10) -6 = -3 (x-2)
Luba_88 [7]

Answer:

-52

Step-by-step explanation:

3 0
3 years ago
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