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Rom4ik [11]
3 years ago
10

−5+(−5r)+10 answer plz

Mathematics
2 answers:
nata0808 [166]3 years ago
4 0

Answer:

-5r + 5

Step-by-step explanation:

We simply simplify by adding like terms. Only thing we can combine are the constants -5 and 10, which we get 5. So then our answer is -5r + 5.

Drupady [299]3 years ago
3 0

Answer:

5(1-r)

Simplified expression 5-5r

Step-by-step explanation:

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8 0
3 years ago
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The number of football games with a score less than or equal to 29 is equal to half the number of basketball games with a score
Rama09 [41]

Answer:

basketball player scored 40 points in a game. The number of three-point field goals the player made was 22 less than three times the number of free throws (each worth 1 point). Twice the number of two point field goals the player made was 11 more than the number of three point field goals made. Find the number of free-throws, two point field goals, and three point field goals that the player made in the game.

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8 0
2 years ago
There are 21 mathematic majors and 129 computer science majors at a college. A) How many ways are there to pick 4 representative
kirza4 [7]

Answer: 1,733,760

Step-by-step explanation:

The number of combinations of selecting m things from n things is given by :-

^nC_m=\dfrac{n!}{m!(n-m)!}

Given : There are 21 mathematics majors and 129 computer science majors at a college.

Then, the number of ways to pick 4 representatives, so that 2 are mathematics majors and the other 2 are computer science majors :-

^{21}C_2\times^{129}C_2\\\\=\dfrac{21!}{2!(21-2)!}\times\dfrac{129!}{2!(129-2)!}\\\\=\dfrac{21\times20\times19!}{2\times19!}\times\dfrac{129\times128\times127!}{2\times127!}\\\\=210\times8256= 1733760

Hence, the number of ways to pick 4 representatives, so that 2 are mathematics majors and the other 2 are computer science majors =1,733,760

7 0
3 years ago
Joanna received a loan from the bank for $5,000, and she plans on paying the loan back in 3 years. She will have paid $800 in si
sveta [45]

Answer:

5.3

Step-by-step explanation:

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3 years ago
Write the following<br> number in scientific<br> notation.<br> 5,673,091
Studentka2010 [4]

Answer:

5.673091 x 10^6

Step-by-step explanation:

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3 years ago
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