2 years ago

Which of the following polynomials contains like terms?

Mathematics

2 answers:

zhuklara [117]2 years ago

3 0

Answer:

The last one.

ANEK [815]2 years ago

3 0

-x7+x7+x5-4 is your answer

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What is -9(3d - 2) = -29

OverLord2011 [107]

-9(3d-2)=-29
-27d+18=-29
-27d=-29-18
-27d=-47
d=-47/-27
d=47/27

4 0

3 years ago

Mary is planning to provide online math and french language tutoring sessions. The math session will be 45 minutes long, and the

alisha [4.7K]

Answer:

3/4m + 1/2f ≤ 30
f ≤ 30

Step-by-step explanation:

Math session = 45 min = 3/4 hr
French session = 30 min = 1/2 hr
Number of math sessions = m, total math hours = 3/4m
Number of French sessions = f, total French hours = 1/2f

Total hours constraint:

3/4m + 1/2f ≤ 30

Number of session constraint:

f ≤ 30

So the system is:

3/4m + 1/2f ≤ 30
f ≤ 30

4 0

2 years ago

Read 2 more answers

When you multiply any odd number by 2, the result is an odd number Is the following statement always true, sometimes true, or ne

Strike441 [17]

Answer:

Always true

Step-by-step explanation:

5 0

2 years ago

X = -0.25 and y = -6 Solve the expression: xy

Vitek1552 [10]

Answer:

If x = -0.25 and y = -6 then we have -6(-0.25) = 1.5

Hope this helps!

5 0

2 years ago

On monday maggie ran n miles, on tuesday she ran 90% of the number of miles that she ran on monday. on wednesday she ran 50% of

Andrew [12]

Step-by-step explanation:

On Monday maggie ran n miles.

On Tuesday, she she ran 90% of the number of miles that she ran on Monday i.e $\dfrac{90}{100}\times n=0.9n$ .

On Wednesday, she ran 50% of the number of miles that she ran on Tuesday i.e. $\dfrac{50}{100}\times 0.9n=0.45n$

First expression : n+0.9n = 1.9 n

Second expression : n + 0.9 n + 0.45 n = 2.35 n

Hence, this is the required solution.

3 0

3 years ago