Find the solution to the system of equations...

Mathematics

2 answers:

kifflom [539]3 years ago

8 0

The solution is the point where the lines intersect. (4, 1)

stiks02 [169]3 years ago

7 0

X = 4 and y = 1

answer is (4,1) is the solution . b is the answer (2nd choice)

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What is 10k+-1=4k+-43 and how?

azamat

10k+(-1)=4k+(-43)
10k-1=4k-43
Subtract 45 from both sides and add 1 to both sides:
6k=-42
Divide by 6 on both sides
k= -7

3 0

4 years ago

The equation d=0.05v2+1.1v models the distance, d, that it takes are car traveling v miles per hour to come to a complete stop.

liq [111]

Answer:

Hannah was not speeding because her speed was about 61 mph, which is below the speed limit.

Explanation:

Just to correct some typos, this is the complete question:

The equation d=0.05v² + 1.1v models the distance, d, that it takes a car traveling at a speed of v miles per hour to come to a complete stop. If Hannah’s car stopped after travelling 250 feet on a highway with a speed limit of 65 mph, was Hannah speeding? Explain using math whether she was speeding and how you know.

<h2>Solution</h2>

To find whether Hannah was speeding, you must find the velocity that is solution for the equation:

250=0.05v² + 1.1v

Write it in standard form:

0.05v² + 1.1v - 250 = 0

Use the quadratic formula:

$v=\dfrac{-1.1\pm\sqrt{(1.1)^2-4(0.05)(-250)}}{2(0.05)}$

$v=\dfrac{-1.1\pm 7.1561}{0.1}$

$v=60.6\text{ or }v=-82.6$

The speed can only be positive; thus, it is about 61 miles per hour, which is below the speed limit of 65mph.

In conclusion, she was not speeding.

5 0

3 years ago

A tangent contains at most how many chords?

Ivan

This really doesn't make any sense.

A tangent is the slope of a curve at some given point, so it's a straight line. "Chords" don't even apply to straight lines.

The only response that's even in the same galaxy as this weird question is zero.

It's like asking....how many dinosaurs live in the cow pasture?

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3 years ago

the figure at the right represents the design for a new hole for a miniature golf course. the new turf to cover the hole costs $

Goshia [24]

You would take $1.50 and multiply it by how large the area is then you would have your answer.

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4 years ago

Choose the missing step in the given solution to the inequality −6x − 10 > 14 + 2x. −6x − 10 > 14 + 2x _______________ −8x

Vanyuwa [196]

-6x - 10 > 14 + 2x

-2x -2x

-8x - 10 > 14 THIS IS THE MISSING STEP