MATHEMATICS COLLEGE

1/2(x+2)+7=3x+(-32)

explained pls

Answers

Answer 1

Answer:

Answer:

x is equal to 16

Step-by-step explanation:

Combine multiplied terms into a single fraction

Multiply by 1

Subtract 7 from both sides of the equation

Simplify it

Subtract 3 from both sides of the equation

Simplify

Multiply all terms by the same value to eliminate fraction denominators

Simplify

Subtract 2 from both sides of the equation

Simplify

Divide both sides of the equation by the same term

Simplify!

That's it!

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What what the two coordinates be for (2x+3, 2y-9)

What is the probability that the average of four babies' weights will be within .6 pounds of the mean; will be between 8.4 and 9.6 pounds

Answers

The probability will be "0.7497".

Given:

Mean,

Standard deviation,

Number of babies,

The standard error of sample will be:

→ $S.E. = (sd)/(√(n) )$

$= (0.6)/(√(4) )$

$= (0.6)/(2)$

$= 0.3$

hence,

→ P(4 babies will be between 8.4 - 9.6 pounds)

$P(8.4 \leq X \leq 9.6) = (((8.4-9))/(0.3) \leq X \leq ((9.6-9))/(0.3) )$

$= P(-2 \leq X \leq 2)$

$= P(Z \leq 2) - P(Z \leq -2)$

$= 0.9772-0.2275$

$= 0.7497$

Thus the above response is right.

Learn more:

brainly.com/question/14008215

Complete question:

Some sources report that the weights of full-term newborn babies in a certain town have a mean of 9 pounds and a standard deviation of 0.6 pounds and are normally distributed.

Answer: 0.7497

Step-by-step explanation:

Mean = 9

sd = 0.6

n = 4

P(4 babies will be between 8.4 and 9.6 pounds)

P(8.4 ≤ X ≤ 9.6)

Standard error of the sample (S. E) :

S. E = sd/√n

= 0.6 /√4

= 0.6/2

= 0.3

P(8.4 ≤ X ≤ 9.6)= ((P(8.4 - 9) / 0.3) ≤ X ≤ (9.6 - 9)/0.3)

P(8.4 ≤ X ≤ 9.6) = P(-2 ≤ X ≤ 2)

P(Z ≤ 2) - P(Z < - 2)

0.9772 - 0.2275 = 0.7497

What is (0.4) exponential form?

Answers

Answer:

it would be 0.4 to the power (exponent) of 3

Step-by-step explanation:

should the answer be 0.4^3

(hope this helps can i plz have brainlist :D hehe)

In Exercise, solve the equation.
ex– 1 = 9

Answers

Answer:

x = ln 10

Step-by-step explanation:

You meant e^x - 1 = 9. Let's isolate e^x, by adding 1 to both sides. We get:

e^x = 10

Now make use of the property ln a = b <=> a = e^b

Then e^x = 10 becomes

x = ln 10

Please Explain/Show your work!

Answers

Answer:

24 crates

Step-by-step explanation:

The usable load capacity for 40-kg crates is ...

1050 kg - 82 kg = 968 kg

The number of 40-kg crates that can be loaded in a trailer with this capacity is ...

floor(968/40) = floor(24.2) = 24 . . . . crates

_____

The function floor(n) gives the greatest integer less than or equal to n. For positive numbers, it drops the fraction.

Can someone please help me with this question so i can i get my grades up: (2/9v)−(−1/3v+5/9)

Answers

Answer:

5v/9−5/9

Step-by-step explanation:

If its right can i plz have brainliest :)

If P = (2,-1), find the imageof P under the following rotation.
270° counterclockwise about the origin
([?], [])
Enter the number that belongs in
the green box.