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3 years ago

Solve , -5x + 20 < 5

Mathematics

2 answers:

katovenus [111]3 years ago

7 0

Answer:

x>3

Step-by-step explanation:

julsineya [31]3 years ago

6 0

Let's solve your inequality step-by-step. −5x+20<5

Step 1: Subtract 20 from both sides. −5x+20−20<5−20−5x<−15

Step 2: Divide both sides by -5.‌ −5x−5‌<‌−15−5‌x>3

Answer: x>3

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Driving to your friend's house, you travel at an average rate of 35 miles per hour. On your way home, you travel at an average r

kenny6666 [7]

Answer:

14 miles

Explanation:

The relation that will be used to solve this problem is:

$Distance = Velocity*Time$

which can be rewritten as:

$Time = \frac{Distance}{Velocity}$

Assume that:

Distance from your house to your friend's house is d

Time taken from your house to your friend's house is t₁

Time taken from your friends house to your house is t₂

1- From your house to your friend's house:

Average rate = 35 miles/hour

Therefore:

$t_{1} = \frac{d}{35}$

2- From your friend's house to your house:

Average rate = 40 miles per hour

Therefore:

$t_{2} = \frac{d}{40}$

3- Round trip:

We know that the round trip took 45 minutes which is equivalent to 0.75 hours

This means that:

t₁ + t₂ = 0.75 hours

$\frac{d}{35}+\frac{d}{40}=0.75\\ \\\frac{40d + 35d}{1400}=0.75\\ \\\frac{75d}{1400}=0.75\\ \\ 1050 = 75d\\ d=14 miles$

Hope this helps :)

3 0

4 years ago

teresa says the two expressions below are equivalent: 2(5x-3) + 6x and 16x -3 is teresa correct? Explain why or why not

Anestetic [448]

Answer:

No.

Step-by-step explanation:

2(5x-3) + 6x is equal to 16x-6:

Distribute:

=(2)(5x)+(2)(−3)+6x

=10x+−6+6x

Combine Like Terms:

=10x+−6+6x

=(10x+6x)+(−6)

=16x+−6,

Which is not equal to 16x-3

4 0

3 years ago

Which graph could represent a function ? ?

mrs_skeptik [129]

Answer:

The third Graph

Step-by-step explanation:

Using the vertical line test to determine whether or not a graph represents a function. If a vertical line is moved across the graph and, at any time, touches the graph at only one point, then the graph is a function. If the vertical line touches the graph at more than one point, then the graph is not a function.

6 0

3 years ago

Read 2 more answers

<,>,=. Which one is more bigger 0.2 or 1/5

lubasha [3.4K]

Answer:

0.2 = 1/5

Step-by-step explanation:

Convert 0.2 into a fraction.

You get 2/10.

Now simplify that number by dividing both the numerator and the denominator by 2.

You get 1/5.