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3 years ago

How many values of x are there that are solutions to the equation |x| + 22 = 63

2 answers:

7 0

Absolute value is how far the number is from 0, so -41 and 41 are equivalently far from 0, 41 units away. so two values ^^

Delvig [45]3 years ago

5 0

Answer:

Two, 41 and -41

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there ar 2.54 centimeters in 1 inch. how many cantimeter are in 1 foot? in 1 yard explain you reasoning

stellarik [79]

2.54 * 12=30.48, so 30.48 in one foot, then multiply that by three for a yard, so for a yard it is 91.44 .

4 0

3 years ago

pH measurements of a chemical solutions have mean 6.8 with standard deviation 0.02. Assuming all pH measurements of this solutio

aalyn [17]

Answer: 2.14 %

Step-by-step explanation:

Given : pH measurements of a chemical solutions have

Mean : $\mu=6.8$

Standard deviation : $\sigma=0.02$

Let X be the pH reading of a randomly selected customer chemical solution.

We assume pH measurements of this solution have a nearly symmetric/bell-curve distribution (i.e. normal distribution).

The z-score for the normal distribution is given by :-

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

For x = 6.74

$z=\dfrac{6.74-6.8}{0.02}=-3$

For x = 6.76

$z=\dfrac{6.76-6.8}{0.02}=-2$

The p-value = $P(6.74$

$P(z$

In percent, $0.0214\times=2.14\%$

Hence, the percent of pH measurements reading below 6.74 OR above 6.76 = 2.14%

6 0

3 years ago

Pls help im being timed

dimaraw [331]

Answer:

He needs 8 health packs

Step-by-step explanation:

3x + 5 $\geq$ 29

3x $\geq$ 24

x $\geq$ 8

3 0

2 years ago

An astronaut visited mars. his weight on earth was 180 pounds, and his weight on mars was only 72 pounds. he removed a rock with

Anton [14]

The question given above may be answered through the concept of ratio and proportion. The ratio of the man's weight on Earth and Mars should be equal to the ratio of the rock's weight on Earth and Mars. By letting x be the rock's mas on Earth, the equation that would best represent the situation is,
180 / 72 = x / 16
The value of x is equal to 40. Thus, the rock weighs 40 pounds on Earth.

3 0

3 years ago

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What is the equation of the line in slop-intercept form?

NNADVOKAT [17]

Y = 5/2x + 5
or
y = 2.5x + 5

5 0

2 years ago

Read 2 more answers