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nlexa [21]
3 years ago
6

11) The sum of two numbers is 25. The difference of two numbers is 3.

Mathematics
1 answer:
kupik [55]3 years ago
5 0

Answer:

11) 14 and 11

Step-by-step explanation:

i can't help in number 12 , sorry !

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I'm almost done if ur up​
nirvana33 [79]

Answer:

1/4 gallon

Step-by-step explanation:

the least number that has at least one x is 1/4

5 0
1 year ago
Which of the solution sets is all real numbers? |x| < -1 |x| = -1 |x| > -1?
charle [14.2K]
|x| > -1 represents all real numbers.
5 0
3 years ago
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On a standardized exam, the scores are normally distributed with a mean of 165 and astandard deviation of 40. Find the z-score o
vladimir1956 [14]

The Z-score is calculated by the formula below

\begin{gathered} z-score=\frac{(x-\mu)}{\sigma}_{} \\ \mu=\operatorname{mean} \\ \sigma=s\tan dard\text{ deviation} \\ x=\text{score} \end{gathered}

Step 2: Substitute the given parameters in the formula

\begin{gathered} z-\text{score}=\frac{145-165}{40} \\ Z=-\frac{20}{40} \\ Z=-\frac{1}{2} \\ Z=-0.5 \end{gathered}

Hence, the z-score of a person who scored 145 on the exam is -0.5

8 0
1 year ago
Which of the following is a radical equation?<br> x√3=13<br> x+3√3=13<br> √x+3=13<br> x+3=√13
Shtirlitz [24]
The answer would be: <span>√x+3=13

</span>A radical equation is an equation with at least one variable put on a radical form. In this question, there is only one kind of variable which is x. Then, you need to find the equation where x is in the radical form. The radical form can be expressed with square root symbol.
The option with √x would be only <span>√x+3=13
</span>
7 0
3 years ago
Read 2 more answers
Identify rational numbers and intergers from the following
Nina [5.8K]

Answer:

Rational: all

Integers: 4, -36, -6

Step-by-step explanation:

A rational number is a number that can be written as a fraction of integers.

All numbers shown are rational numbers.

The integers are all positive and negative whole numbers and zero.

The integers are: 4, -36, -6

6 0
3 years ago
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