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Kaylis [27]
2 years ago
5

2nd attempt at this question please answer right. 2 images below:

Mathematics
2 answers:
damaskus [11]2 years ago
8 0

Answer:

15.75

Step-by-step explanation:

The formula for the area of a triangle is A=1/2BH (Half base times height)

Do the calculation using a calculator

Area= 1/2 x 9 = 4.5

Area= 4.5 x 3.5 = 15.75

zhenek [66]2 years ago
3 0

Answer:

idk what yah do right there brah what grade u in

Step-by-step explanation:

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Solve for x in the triangle. Round your answer to the nearest tenth.
rewona [7]

Answer:

i think the answer might be 9

8 0
3 years ago
PLEASE PLEASE PLEASE PLEASE HELP!
gayaneshka [121]
X - 5 <= -2

x <= 3

This is saying, x is less than or equal to 3., so take a filled dot, put it on 3, then draw a line from it towards the left
3 0
3 years ago
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Find the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if BY = 3, YC = 2
Mazyrski [523]

Answer:

The ratio of the area of triangle XBY to the area of triangle ABC is \frac{9}{25}

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is equal to the scale factor and the ratio of its areas is equal to the scale factor squared

In this problem

Triangles XBY and ABC are similar, because the corresponding internal angles are congruent

see the attached figure to better understand the problem

step 1

Find the scale factor

Let

z-------> the scale factor

z=\frac{BY}{BC}

we have

BY=3\ units

BC=2+3=5\ units

substitute

z=\frac{3}{5}

step 2

Find the ratio of the area of triangle XBY to the area of triangle ABC

Remember that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

we have

z=\frac{3}{5} -----> scale factor

so

z^{2} =(\frac{3}{5})^{2} =\frac{9}{25}


5 0
3 years ago
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A plane leaves airport A and travels 570 miles to airport B on a bearing of Upper N 32 degrees Upper E. The plane later leaves a
Karolina [17]

Answer:

769.46 miles

Step-by-step explanation:

Please have a look at the photo attached in this answer

The missing part of the angle is 32 degrees, so the total angle of B is:

32 + 73  = 105 degrees.

Let x is the distance from airport A to airport C to the nearest tenth of a mile, we use cosine law to find x:

x^{2} = 570^{2}  + 390^{2}  - 2(570)(390)cos(105)

<=> x^{2} = 592070

<=> x = \sqrt{592070} = 769.46 miles

5 0
3 years ago
Two less than 6 times the difference of 9 and 5
serious [3.7K]
9-5×6-2
4×6-2
24-2
=22

you might want to double check
8 0
2 years ago
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