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suter [353]
2 years ago
7

Which of these is a mathematical expression?

Mathematics
2 answers:
Ainat [17]2 years ago
8 0

Answer:

4 - 3r

Step-by-step explanation:

D is just a statement of words, completely unrelated to math. C is an equation since because of the product and equal sign. hope that makes sense.

vlabodo [156]2 years ago
5 0

B) 4-3r is a mathematical expression.

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Someone help me plz!!
likoan [24]

Answer: x=15

Step-by-step explanation:

Since these are supplementary angles, we know that if we add them together we would get 180 deg. so....

(7x-10)+ (6x-5)=180

Kay so now we can combine like terms.

13x-15=180

Now we can add 15 to both sides.

13x=195

Finally Divide 13 on both sides.

X would then now equal 15.

6 0
2 years ago
Read each of the following situations and select ALL of the ones considered plagiarism.
mrs_skeptik [129]

Answer:

Ashley uses internal citation to give credit for someone else's idea

7 0
2 years ago
The cumulative distribution function of a continuous random variable is the probability that the random variable X is greater th
ivann1987 [24]

Answer:

The correct answer is False.

Step-by-step explanation:

The cumulative distribution function of a continuous random variable is the probability that the random variable X is less than or equal to x, where x is a specific value of the continuous random variable X.

The cumulative distribution function is a function that is usually derived from a continuous random variable. We actually calculate the area underneath a probability density function between two points.

6 0
3 years ago
Which expression can be used to model the phrase “ the sum of three and a number”?
olga nikolaevna [1]

Answer:

x + 3

Step-by-step explanation:

A 'sum' means addition, 'a number' is represented by a variable, in this case, I chose 'x'.  I could have picked any variable I wanted.

The sum of three and a number means:  three plus some number, which is

 3 + x       in math language.     We write variables before constants, so it gets

                  rewritten as x + 3

5 0
3 years ago
Read 2 more answers
If the angles of a quadrilateral measure 67 degrees 123 degrees and 58 degrees what is the measure of the other angle
Cloud [144]
The other angle measures 112°.
All the angles in any 4-sided polygon will add up to 360°, like how all angles in a triangle add up to 180°. A good way to remember this is with the sum of interior angles formula:
180 x (n - 2), where n is the number of sides.

Hope that helps! if you liked this answer please rate it as brainliest so i can gain the next rank!! thank you!!!!
7 0
3 years ago
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