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anygoal [31]
4 years ago
6

Solve the following system of equations. (15 Points) x + 3y = -5 & 5y - 10 = -20x

Mathematics
1 answer:
Nikolay [14]4 years ago
6 0

plz mark brainliest of it helps

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A car is traveling down a highway at a constant speed, described by the equation d=65t, where d represents the distance, in mile
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Answer:

Step-by-step explanation:

We are given an equation d = 65 t, where d represents the distance, in miles, that the car travels at this speed in t hours.

We know distance, speed and time relation

d = s * t.

Where  d represents the distance, that the car travels at this speed in t  at the speed s.

If we compare that relation with the given equation, we can see s = 65.

So,

a) The 65 tell us speed of 65 miles per hour in this situation.

b) Second part seems to be incorrect. Please check it again.

c) We are given distance = 26 miles.

Plugging d= 26 in the given equation.

26 = 65 t

Dividing both sides by 65, we get

26/65 = t

t= 0.4 hours.

So, it takes 0.4 hours or 0.4 * 60 = 24 minutes o travel 26 miles at this speed.

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3 years ago
Find the value of x. 59 x 32​
tensa zangetsu [6.8K]
Answer= X is 1,888
Explanation:
Multiply 59*32= 1,888

Hope that this helped you. If available please give me a branliest.
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3 years ago
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Solve using the substitution method c + 3d = 8 c= 4d - 6 ​
mariarad [96]

Answer:

c= 2, d=2

Step-by-step explanation:

5 0
3 years ago
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Instructions: Problem 1 ! Find the missing angle in the image below. Do not include spaces in your answers
sweet-ann [11.9K]

Answer:

40 degrees

Step-by-step explanation:

The 100 degree angle is supplementary to angle CED. This means CED will end up being 80 degrees. Since the angles in all triangles equate to 180 degrees 80 + 60 + angle D must equal 180 degrees. Therefore, angle D has to be 40 degrees.

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3 years ago
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