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prohojiy [21]
2 years ago
13

3. Find x. Round to the nearest tenth. *

Mathematics
2 answers:
Ad libitum [116K]2 years ago
4 0
13.3 I’m very positive
bogdanovich [222]2 years ago
3 0
13.3 is correct I think
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30 is 60% of <br> due today
Paha777 [63]

Answer:

30 is 60% of 50.

Step-by-step explanation:

30 ÷ 60% = 50

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3 years ago
Find the measure of angle h
AnnZ [28]

Answer:

62 degrees

Step-by-step explanation:

Since we know 3 sides of the triangle, we can use law of cosines.

{gk}^{2}  =  {gh}^{2}  +  {kh}^{2}  - 2(gh)(kh) \times  \cos(h)

{8}^{2}  =  {17}^{2}  +  {15}^{2}  - 2(17(15) \times  \cos(h)

64 = 289  + 225 - 510 \times  \cos(h)

64 = 314 - 510 \times  \cos(h)

- 250 =  - 510 \times  \cos(h)

\frac{250}{510}  =  \cos(h)

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Take the arcos or cosine inverse

\cos {}^{ - 1}  =  \frac{25}{53}

Which is about 62 degrees.

7 0
2 years ago
What are the coordinates of the orthocenter of △XYZ with vertices at X(−3, 3) , Y(1, 3) , and Z(−3, 0) ?
klemol [59]
<span>Orthocenter is at (-3,3) The orthocenter of a triangle is the intersection of the three heights of the triangle (a line passing through a vertex of the triangle that's perpendicular to the opposite side from the vertex. Those 3 lines should intersect at the same point and that point may be either inside or outside of the triangle. So, let's calculate the 3 lines (we could get by with just 2 of them, but the 3rd line acts as a nice cross check to make certain we didn't do any mistakes.) Slope XY = (3 - 3)/(-3 - 1) = 0/-4 = 0 Ick. XY is a completely horizontal line and it's perpendicular will be a complete vertical line with a slope of infinity. But that's enough to tell us that the orthocenter will have the same x-coordinate value as vertex Z which is -3. Slope XZ = (3 - 0)/(-3 - (-3)) = 3/0 Another ick. This slope is completely vertical. So the perpendicular will be complete horizontal with a slope of 0 and will have the same y-coordinate value as vertex Y which is 3. So the orthocenter is at (-3,3).</span>
8 0
3 years ago
A book 2 3/7 inches think and another book 3.56 inches thick , if he stacks the books about how tall will they be
bazaltina [42]

Answer:

About 6 inches tall.

Step-by-step explanation:

One book has a thickness of 2\frac{3}{7} inches.

Another book has a thickness of 3.56 inches

Converting 2\frac{3}{7} inches to decimals will give; 2.4285714286 inches

If the books are stacked together, they become 2.4285714286 inches + 3.56 inches = 5.988571429 inches tall or about 6 inches tall (answer rounded up to nearest whole number).

7 0
2 years ago
I need some help pls :'(
Luda [366]

Answer:

a

Step-by-step explanation:

4 0
2 years ago
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