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3 years ago

10

What percent of 75.5 is 81.54

1 answer:

lutik1710 [3]3 years ago

8 0

If you would like to know what percent of 75.5 is 81.54, you can calculate this using the following steps:

x% of 75.5 is 81.54
x% * 75.5 = 81.54
x/100 * 75.5 = 81.54
x = 81.54 * 100 / 75.5
x = 108%

Result: 108% of 75.5 is 81.54.

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Can someone help me on this Proofs problems? It's just number one and two.

leonid [27]

See Explanation

Step-by-step explanation:

1. By interior angle sum Postulate of a triangle.

$m\angle a+ m\angle y +m\angle z= 180\degree.... (1)\\\\m\angle a+ m\angle w +m\angle x= 180\degree.... (2)\\\\$

From equations (1) & (2), we find:

$m\angle a+ m\angle y +m\angle z= m\angle a+ m\angle w +m\angle x\\\\m\angle y +m\angle z= m\angle w +m\angle x\\$

Hence proved

2. In $\triangle PQS, \: \angle QSR$ is exterior angle.

Therefore, by remote interior angle theorem, we have:

$m\angle QPS + m\angle PQS= m\angle QSR\\\\x + m\angle PQS= 2x\\\\m\angle PQS= 2x-x\\\\m\angle PQS = x.... (1)\\\\m\angle QPS = x.... (given).... (2)\\$

From equations (1) & (2), we find:

$m\angle PQS = m\angle QPS\\\\\therefore \angle PQS \cong \angle QPS\\\\\therefore PS \cong QS\\(sides\: opposite \: to\: congruent \:\angle s) \\\\$

$\therefore \triangle PQS$ is an isosceles triangle.

Thus proved.

3 0

3 years ago

1) There were 11 bales of hay in the barn. Jason stacked more bales in the barn

Alina [70]

Answer:

68

Step-by-step explanation:

79 - 11 is 68, so I think 68 is the answer.

6 0

3 years ago

Simplify completely: 5+3(x-1)

Olin [163]

Answer:

Step-by-step explanation:

first add 3+5 = 8

then multiply 8 times x and 8 times -1

which is 8x-8

4 0

3 years ago

2 triangles are shown. The first triangle has side lengths 35, 20, and 20. The second triangle has side lengths x, 44, 44.

Ad libitum [116K]

The value of x is 77 cm which will make the triangles similar by SSS similarity theorem

Given length of the three sides of one triangle are 35 , 20 and 20

and length of the three sides of another triangle are x, 44,44

We need to find the values of x by using SSS Similarity theorem

We know that triangles are are similar by side - side - side similarity creation and hence the sides are in the same ratio

As both the triangles are isosceles triangles

Therefore ,

x/35 = 44/20=44/20 (Using ratio)

Solving the equation we get

x=44*35/20

x= 77

Hence the value of x is 77cm

Learn more about similarity of triangles here brainly.com/question/14285697

#SPJ10

8 0

2 years ago

Segment AB has endpoints with coordinates A: (-4, -7) and B: (8, -4). Determine the value of the x-coordinate of the interior po

Nadusha1986 [10]

Answer:

≈ <em>3.4</em><em> </em>

Step-by-step explanation:

Coordinates of the point that divide segment with endpoints A( $x_{1}$ , $y_{1}$ ) and B( $x_{2}$ , $y_{2}$ ) in a ratio a : b are

$\frac{bx_{1} +ax_{2} }{a+b}$ , $\frac{by_{1} +ay_{2} }{a+b}$ )

A(- 4, - 7)

B(8, - 4)

Ratio 8 : 5

x-coordinate is $\frac{5(-4)+8(8)}{8+5}$ = $\frac{44}{13}$ ≈ <em>3.4</em>

3 0

3 years ago