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Verdich [7]
3 years ago
13

Olivia's goal is to complete 200 sit ups Right now she is up to 50 sit ups What percentage of her goal has she reached?

Mathematics
1 answer:
Lelechka [254]3 years ago
8 0
She has reached 25 percent of her goal
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a surveyor measures the distance to the two landmarks as shown in the diagram what is the distance d. between the landmarks​
Inessa [10]
<h3>The distance between two landmarks is 123 meters</h3>

<em><u>Solution:</u></em>

We have to find the distance between two landmarks

<em><u>Use the law of cosines</u></em>

The third side of a triangle can be found when we know two sides and the angle between them

c^2 = a^2 + b^2 - 2ab\ cos c

Here, angle between 90 meters and 130 meters is 65 degrees

From figure,

a = 90

b = 130

c = d

Therefore,

d^2 = 90^2 + 130^2 - 2(90)(130)\ cos 65\\\\d^2 = 8100 + 16900 - 23400\ cos\ 65\\\\d^2 = 25000 - 23400 \times 0.4226\\\\d^2 = 25000 - 9889.267\\\\d^2 = 15110.73\\\\d = 122.92\\\\d \approx 123

Thus, the distance between two landmarks is 123 meters

8 0
3 years ago
Mr. Berger is building a sandbox for his children. The sandbox is in the shape of a right rectangular prism. The area of the bas
Kazeer [188]

Answer:

110.7 feet cubed

Step-by-step explanation:

5 0
2 years ago
A theater group is made up of 21 girls and 24 boys. Fifteen of the girls and 12 of the boys are also in a photography club.
bekas [8.4K]

Answer:

60%

Step-by-step explanation:

There are a total of 45 people 24 boys and 21 girl=45

27 of them are in the club 27 out of 45=60%

4 0
2 years ago
When 4(0.5x+2.5y-0.7x-1.3y+4) is simplified, what is the resulting expression?
padilas [110]

Answer:

-0.8x + 4.8y + 16

Step-by-step explanation:

4(0.5x+2.5y-0.7x-1.3y+4) = 4( 0.5x - 0.7x  + 2.5y - 1.3y + 4)

= 4( -0.2x  + 1.2y + 4)

= 4*(-0.2x)  + 4 *1.2y + 4*4

= -0.8x + 4.8y + 16

8 0
2 years ago
Read 2 more answers
Please omg I need help ASAP please! (Giving brainliest)
snow_lady [41]
Gradient =2 because the slope is 2 units. Y-intercept = -2 because it crosses the y-line at -2.
5 0
2 years ago
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