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12345 [234]
3 years ago
10

Simplify the expression: 7r2+5r2+9r

Mathematics
2 answers:
jenyasd209 [6]3 years ago
4 0

Answer:

9r+7r+9r

Step-by-step explanation:

Komok [63]3 years ago
4 0

Answer:

12r^2+9r

Step-by-step explanation:

You can only add the 7r^2 and the 5r^2. So, once you add them it's as simplified as you can get.

Hope you have a good day! (✿◡‿◡)(((o(*゚▽゚*)o)))

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A two digit multiple of 5 whose digits add that sum is 3.4 and 5.2
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3 years ago
I need help with this question
barxatty [35]
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Area= 60*52/2
Area= 3120/2

Area= 1560 yd^2 <========

Perimeter= 3s
Perimeter= 3(60)

Perimeter= 180 yds <======

Type: Equilateral <========
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7 0
3 years ago
The population of a city increases by 2.3% per year. If this year's population is 157,000, what will next year's population be,
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7 0
3 years ago
Consider the gender and class make-up of students at a large university by gender and status as given in the table.
azamat

Answer:

0.589

Step-by-step explanation:

THis is a conditional probability question. Let's look at the formula first:

P (A | B) = P(A∩B)/P(B)

" | " means "given that".

So, it means, the <u><em>"Probabilty A given that B is equal to Probability A intersection B divided by probability of B."</em></u>

<u><em /></u>

So we want to know P (Female | Undergraduate ). This in formula is:

P (Female | Undergraduate) = P (Female ∩ Undergraduate)/P(Undergraduate)

Now,

P (Female ∩ Undergraduate) means what is common in both female and undergraduate? There are 43% female that are undergrads. Hence,

P (Female ∩ Undergraduate) = 0.43

Also,

P (Undergraduate) is how many undergrads are there? There are 73% undergrads, so that is P (undergraduate) = 0.73

<em>plugging into the formula we get:</em>

P (Female | Undergraduate) = P (Female ∩ Undergraduate)/P(Undergraduate)

=0.43/0.73 = 0.589

this is the answer.

4 0
4 years ago
Jacques deposited $1,900 into an account that earns 4% interest compounded semiannually. After t years, Jacques has $3,875. 79 i
lisabon 2012 [21]

Answer:

T=50.99

Step-by-step explanation:

Given:

I=3,875.78

P=1,900

R=4% I.e 4/100 , 0.04

T=?

I=PRT

3,875.79=($1,900)(0.04)t

3,875.79=76t

3,875.79/76= t

T=50.99

5 0
2 years ago
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