All categories

2 years ago

What is the answer to the equation -0.5x+1.75x<-1.75+2.75x

Mathematics

1 answer:

PIT_PIT [208]2 years ago

8 0

X>7/6
Combine like terms
Subtract 2.75x from both sides
Combine like terms
Divide -1.5 from both sides

You might be interested in

Solve for y. xy + p = 5 A) y = 5 - p - x B) y = (5-p)/x C) y = 5 - px

Damm [24]

Minus p both sides
xy=5-p
divide both sides by x
y=(5-p)/x

B

6 0

2 years ago

Can someone help me find the surface area of the cube???

nirvana33 [79]

The equation needed is (Surface area of a cube)
A=6×a²
Therefore your answer would be...
194.94 in.³

7 0

2 years ago

PLEASE HELP AND EXPLAIN! Find the height of the triangle.

dlinn [17]

Hello!

So you need to find the sin of the angle:

sin20 = x / 10

10 x sin20 = x

x = 3.4

Hope this helps :))

7 0

2 years ago

Read 2 more answers

what is 1 plus 2 jjjjjjjjjjjjjjjlkkn buy4fref7g8f7f3g87egf87ewdc7cc wc68efce ewtedg67cccf6cw6f6cfefecec c e6ve6 ev fve

salantis [7]

ANSWER:

3 jjjjjjjjjjjjjjjlkkn buy4fref7g8f7f3g87egf87ewdc7cc wc68efce ewtedg67cccf6cw6f6cfefecec c e6ve6 ev fve

3 0

3 years ago

Read 2 more answers

The state highway department is studying traffic patterns on one of the busiest highways in the state. As part of the study, the

larisa86 [58]

Answer:

The need to sample 76 days.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.99}{2} = 0.005$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.005 = 0.995$ , so $z = 2.575$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

How many days do they need to sample

We need to sample n days.

n is found when M = 300.

We have that $\sigma = 1010$

$M = z*\frac{\sigma}{\sqrt{n}}$

$300 = 2.575*\frac{1010}{\sqrt{n}}$

$300\sqrt{n} = 2.575*1010$

$\sqrt{n} = \frac{2.575*1010}{300}$

$(\sqrt{n})^{2} = (\frac{2.575*1010}{300})^{2}$

$n = 75.1$

Rounding up

The need to sample 76 days.

3 0

2 years ago