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2 years ago

Which number line shows the solution to the inequality -2x-3> -11

Mathematics

2 answers:

ioda2 years ago

7 0

Answer:

x < 4 (description of number line in explanation)

Step-by-step explanation:

First we solve the inequality with inverse operations.

-2x-3 > -11

We can add 3 to both sides to cancel it out

-2x > -8

To isolate x, we divide both sides by -2. (When dividing or multiplying by a negative number the inequality sign swaps.)

x < 4

Now we can make the number line! (I will describe it because I can't draw)

First we plot 4 on the number line. The circle will be open, not filled because it is not <=.

Then because x is anything less than 4, shade in everything to the left of 4 and we are done!

Brut [27]2 years ago

3 0

Answer:

-4

Step-by-step explanation:

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Multiply (5x^2-6x+2) x (4x^2-3x)

V125BC [204]

Answer:

$20x^{4} - 39x^{3} + 26x^{2} - 6x$

hope this helps

5 0

2 years ago

DONT ANSWER IF YOU SEND LINKS OR NOT CORRECT ANSWERS

marta [7]

What form of math is this?

4 0

3 years ago

Christine Wong has asked Dave and Mike to help her move into a new apartment on Sunday morning. She has asked them both, in case

lozanna [386]

Answer:

0.3339 = 33.39% probability that both Dave and Mike will show up

Step-by-step explanation:

Probability of independent events:

If A and B are independent events, the probability of both happening at the same time is given by:

$P(A \cap B) = P(A)P(B)$

In this question:

Event A: Dave shows up.

Event B: Mike shows up.

Christine knows that there is a 47% chance that Dave will not show up and a 37% chance that Mike will not show up.

This means that $P(A) = 1 - 0.47 = 0.53, P(B) = 1 - 0.37 = 0.63$ .

a. What is the probability that both Dave and Mike will show up

$P(A \cap B) = P(A)P(B) = 0.53*0.63 = 0.3339$

0.3339 = 33.39% probability that both Dave and Mike will show up

8 0

3 years ago

Two train leave stations 210 miles apart at the same time and travel toward each other. One train travels at 80 miles per hour w

Brrunno [24]

SOLUTION

At the same time t,

Train 1 would have covered a distance of 80t, since distance = average speed x time.

Train 2 would have covered a distance of 70t.

Now both added should give 210 miles

That is 80t + 70t = 210

150t = 210

t = 210/150

t = 1.4 hours

3 0

1 year ago

The function g(x) = 8(4x) is reflected across the x-axis to create f(x). What is the equation for f(x)? f(x) =_____ (4)x

dalvyx [7]

Answer:

f(x) = -8(4)x

Step-by-step explanation:

The reflection of the point (x,y) across the x-axis is the point (x,-y).

Having said this, to reflect the function y=g(x) = 8(4x) over the x-axis, we just need to evaluate the equation in the point: (x,-y).

y = 8(4x) ⇒ -y = 8(4x) ⇒ y = -8(4x)

Then f(x) = -8(4x)

Attached you will find the graph of g(x) (blue) and f(x) (red),

6 0

3 years ago

Read 2 more answers