2 years ago

X/2 + 3/2 < 5/2 give solution

Mathematics

1 answer:

Nataly [62]2 years ago

8 0

Start with

$\dfrac{x}{2}+\dfrac{3}{2}$

Multiply the whole equation by 2. Since 2 is positive, we don't need to switch the inequality sign:

$x+3$

Subtract 3 from both sides:

$x$

You might be interested in

Speeding: On a stretch of Interstate-89, car speed is a normally distributed variable with a mean of 69.1 mph and a standard dev

Alborosie

Answer: 11.9%

Step-by-step explanation:

Given : On a stretch of Interstate-89, car speed is a normally distributed variable with $\mu=69.1$ mph and $\sigma=3.3$ mph.

Let x be a random variable that represents the car speed.

Since , $z=\dfrac{x-\mu}{\sigma}$

z-score corresponds x = 73 , $z=\dfrac{73-69.1}{3.3}\approx1.18$

Required probability :

$\text{P-value }: P(x>73)=P(z>1.18)\\\\=1-P(z$

[using z-value table.]

Hence, the approximate percentage of cars are traveling faster than you = 11.9%

8 0

3 years ago

What is the answer for this math problem 4-4×7+3=

Varvara68 [4.7K]

$4-4*7+3=4-28+3=-24+3=-21$

8 0

3 years ago

Maria calculated that she could make $18,000 over the summer. Instead she ended up making 15,000. Calculate the variance.

Luden [163]

Answer:

3000 i think that's the answer.

Step-by-step explanation:

8 0

3 years ago

Write an equation for the line in slope-intercept form.

antoniya [11.8K]

Y=3x+4
it’s hard to tell where the line is meeting the corners of the small squares but slope intercept is y=mx+b
m is slope
b is y intercept
it appears as the line intercepts the y axis at 4 so that is your y intercept. the slope is 3/1 which is just 3 so you would end up with y=3x+4

5 0

2 years ago

Expression 3 + y and 2 (6+y) are equivalent?

Assoli18 [71]

Answer:

3+y and 12+2y

Step-by-step explanation:

I mean they aren't equivalent because if you do PEMDAS (parenthesis, exponents, multiply, divide, add, subtract) Then, you would do 2 times 6 because parenthesis, that equals 12 so the answer would be

3+y and 12+2y

6 0

2 years ago

X/2 + 3/2 < 5/2 give solution ​

X/2 + 3/2 < 5/2 give solution