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Nezavi [6.7K]
3 years ago
9

Tree times the sum of ten and a number is 25. What is the number? (Fraction)

Mathematics
2 answers:
ella [17]3 years ago
6 0

Answer:

Step-by-step explanation:

3(10+n) = 25

30 +3n =25

30-30 and 25-30=

3n=-5

3/3 and 5/-3

Leni [432]3 years ago
5 0

Answer:

3×(25-10)= 3×15=45.

However, if you are asking for the number which adds to 10 and makes 25, then the answer is 15.

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What is the equation for the graph below?
algol13

Answer:2nd one

Step-by-step explanation:

Y=log5(x-5)

8 0
3 years ago
A normal random variable with mean and standard deviationboth equal to 10 degrees Celsius. What is the probability that the temp
Korvikt [17]

Answer:

0.57142

Step-by-step explanation:

A normal random variable with mean and standard deviation both equal to 10 degrees Celsius. What is the probability that the temperature at a randomly chosen time will be less than or equal to 59 degrees Fahrenheit?

We are told that the Mean and Standard deviation = 10°C

We convert to Fahrenheit

(10°C × 9/5) + 32 = 50°F

Hence, we solve using z score formula

z = (x-μ)/σ, where

x is the raw score = 59 °F

μ is the population mean = 50 °F

σ is the population standard deviation = 50 °F

z = 59 - 50/50

z = 0.18

Probability value from Z-Table:

P(x ≤59) = 0.57142

The probability that the temperature at a randomly chosen time will be less than or equal to 59 degrees Fahrenheit

is 0.57142

4 0
3 years ago
Use properties of operations to determine whether 4r + 4t and 4(r+t) are equivalent. Explain your answer.
Vikki [24]

There is only one property used to determine whether

4r+4t=4(r+t).

The property is called the distributive property and in a nutshell it states, a(b+c)=ab+ac, which means a is distributed through b+c using multiplication. So 4(r+t) says, distribute 4 to r and t which then translates into 4r+4t.

4 0
2 years ago
1. Simplify: (-9x3 + 4x2 – 5) - (14x2 - 10x - 3)<br> Show work please
zimovet [89]

Answer:

I got <em>-9x^3-10x^2+10x-2</em>

Step-by-step explanation:

3 0
3 years ago
Please explain to me what the Law Of Syllogism is. 100pts... Explain it well please...
3241004551 [841]
The Law Of Syllogism, which is also called Reasoning by Transitivity, is basically if a = b and b = c, then a = c, which is also the transitive property. Hence the alternate name. It can be used for mathematical deductions and is mainly used in the unit of logic statements, such as conditional and inverse statements. Here is an example:
If it is raining today, then I will wear my raincoat.
If I wear my raincoat today, then I will wear my boots.
When we use the Law of Syllogism, we get:
If it is raining today, then I will wear my boots.

Hope this helps and have a nice day!
7 0
3 years ago
Read 2 more answers
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