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3 years ago

Bro what did I do?! Katie its always you that deletes my stuff isn't it-

Mathematics

1 answer:

Ksivusya [100]3 years ago

3 0

Answer:

this guy always has work to delete our questions

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HELP!! What is the approximate measure of angle x in the triangle shown?

Alex Ar [27]

<h3>Answer: D) 130.5 degrees</h3>

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Work Shown:

$c^2 = a^2 + b^2 - 2*a*b*\cos(C)\\\\10^2 = 5^2 + 6^2 - 2*5*6*\cos(x)\\\\100 = 25 + 36 - 60*\cos(x)\\\\100 = 61 - 60*\cos(x)\\\\100 - 61 = - 60*\cos(x)\\\\39 = - 60*\cos(x)\\\\\cos(x) = \frac{39}{-60}\\\\\cos(x) = -0.65\\\\x = \arccos(-0.65)\\\\x \approx 130.5416\\\\x \approx 130.5\\\\$

Note: I used the law of cosines. Make sure your calculator is in degree mode.

6 0

3 years ago

500

statuscvo [17]

Answer: The required ratio would be 3 miles : 4 minutes.

Step-by-step explanation:

Since we have given that

Speed of a cheetah = 45 miles per hour

So, it means

Distance = 45 miles

Time = 1 hour = 60 minutes

So, the ratio of the distance it travels to the time it takes would be

Distance : Time

$45\ miles:60\ minutes\\\\=3\ miles :4\ minutes$

Hence, the required ratio would be 3 miles : 4 minutes.

3 0

3 years ago

Janet plants 20 varieties of flowers in the spring . She reports that 90% of the flowers she have planted bloomed

SIZIF [17.4K]

Answer:

Step-by-step explanation:

90% of 20 is 18

8 0

3 years ago

Read 2 more answers

Select all that are true!!!!!!

nignag [31]

Answer:

The first and 3rd answer

Step-by-step explanation:

7 0

4 years ago

What integer is equal to |-10| + |-20|<br><br> Please answer

Stolb23 [73]

Answer:

Step-by-step explanation:

The absolute value function always gives a positive value, that is

| - a | = | a | = a

Given

| - 10 | + | - 20 |

= 10 + 20

= 30

5 0

3 years ago

Read 2 more answers

Bro what did I do?! Katie its always you that deletes my stuff isn't it-​

Bro what did I do?! Katie its always you that deletes my stuff isn't it-