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wariber [46]
3 years ago
11

Which expression is equivalent to 10 a+ 3b -2a+b

Mathematics
2 answers:
Inga [223]3 years ago
8 0

Answer:

Step-by-step explanation:

Simplify like terms.

10a-2a+3b+b = 8a+4b

GarryVolchara [31]3 years ago
4 0

Answer:

8a +4b

4(2a+b)

Step-by-step explanation:

10 a+ 3b -2a+b

Combine like terms

10a-2a   +3b+b

8a +4b

We can factor out 4

4(2a+b)

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A total of 600 of the 1,000 people living in a retirement community classify themselves as Republicans, while the others classif
zheka24 [161]

Answer:

0.0847 = 8.47%

Step-by-step explanation:

Since 600 people are classified as Republicans, 400 people are classified as Democrats.

It can be calculated the number of people who voted for each party as follows:

Votes for Republicans = 600 (total Republicans) – 60 (Republicans who voted for the Democratic candidate) + 50 (Democrats who voted for the Republican candidate) = 590 votes

Votes for Democrats = 400 (total Democrats) – 50 (Democrats who voted for the Republican candidate) + 60 (Republicans who voted for the Democratic candidate) = 410 votes

A total of 590 people voted for the Republicans and 50 of those are Democrats. Thus, the probability that a person who voted for The Republican candidate is a Democrat can be calulated:

P = 50/590 = 0.0847 = 8.47%

8 0
3 years ago
Which of the following statements must be true ? Check all that apply
Viktor [21]
Right triangle
Sin A   = Opp./ Hypo. = BC/AC
Cos C = Adj./Hypo.    = BC/AC

Answer is D.
Sin A = Cos C

7 0
3 years ago
the conference room of a hotel measures 40 ft by 50 ft has a 12-foot ceiling what is the area of the walls​
Softa [21]

Answer:

The area of the walls is 2,160\ ft^{2}

Step-by-step explanation:

we know that

The area of the walls is equal to the perimeter of the conference room multiplied by the height of the ceiling

so

A=2[40+50](12)=2,160\ ft^{2}

5 0
3 years ago
The total number of cats and dogs at the shelteris 125. there are 5 more cats than dogs
juin [17]
If you're looking for the number of dogs (I'm assuming, you didn't specify), all you'd have to do is divide the number by two, then round down to find the number of dogs, then check your answer by adding that number and that number plus 5.

For example, yours would look like 125/6=62.5, and rounding down to 60.

Then check your answer by adding 60 and 65, the number of cats. 60+65=125.

There are 60 dogs inside the kennel.
5 0
4 years ago
A class quiz has 5 True/False questions. The correct answers are T, T, F, F, and T, in that order. John answered the
weeeeeb [17]

1/2 is your Answer

I came across this question to

7 0
3 years ago
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