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Aliun [14]
3 years ago
14

Plz help me and plz show work

Mathematics
2 answers:
s2008m [1.1K]3 years ago
6 0
Y=400x and the Y intercept would be 0
Lana71 [14]3 years ago
5 0
There is no y intercept since there are no points on y axis so?
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Find the value of x in the triangle shown below.<br> 13<br> 5<br> х
katen-ka-za [31]

Answer:

x=12

Step-by-step explanation:

This is a right triangle, so the Pythagorean theorem can be used. The Pythagorean theorem states that C^2=a^2+b^2 where C is the hypotenuse and a and b are legs. In this question, we are given a and C. So, plugin 13 for C and 5 for a and solve for b. Once you rearrange the equation you get, b=\sqrt{13^2-5^2}. Next, solve what is under the root to get, b=\sqrt{144}. Finally, square root 144 for the final answer b=12.

3 0
3 years ago
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A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B
Goshia [24]

A, B and C working together will finish same piece of work in 10 days

A can do a piece of work in 20 days. That is A is doing the work at a rate of  1 / 20. Therefore

B = 1 / 30

C = 1 / 60

A, B and C working togehter their rate will be added together =

A + B + C =  1 / 20 + 1 / 30 + 1 / 60 = 1 / 10

so they can work together to finish same piece of work in 10 days

4 0
2 years ago
What is 21/75 simplified sorry guys really bad at this
Romashka [77]
7/25 because you can divide everything. Y 3
8 0
3 years ago
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Type only a number for your answer​
UNO [17]

Answer:

x = 80

Step-by-step explanation:

x + 30 = 110 (opposite sides are congruent/equal)

x = 110 - 30 (subtract the 30 from both sides to get X by itself)

x = 80 (simplify)

7 0
2 years ago
Use the image below to answer the following question. Find the value of sin x° and cos y°. What relationship do the ratios of si
stiks02 [169]

The relationship that sin x° and cos y° share is that; cos x = sin y and sin x = cos y = 12/13

<h3>How to work with Pythagoras Theorem?</h3>

From the definitions of trigonometric ratios, we know that;

sin x = opposite leg/hypotenuse

cos y = adjacent leg/hypotenuse

From the Pythagorean theorem, we can find the hypotenuse as;

6² + 8² = hypotenuse²

The cosine is the sine of the complementary angle. Since x and y are complementary angles as they sum up to 90°, we have cos x = sin y and sin x = cos y = 12/13

Read more about Pythagoras Theorem at; brainly.com/question/27572671

#SPJ1

7 0
2 years ago
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