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3 years ago

Combine the like terms to create an equivalent expression: -5r+ 8r+ 5

Mathematics

2 answers:

bulgar [2K]3 years ago

6 0

-5r+8r = equals 3 so the equivalent expression is 3r+5

Agata [3.3K]3 years ago

6 0

Answer:

3r + 5

Step-by-step explanation:

-5r + 8r = 3r
Re-write the expression: 3r + 5

I hope this helps!

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Martin took a total of 20 quizzes over the course of 5 weeks. After attending 15 weeks of school this quarter, how many quizzes

kirza4 [7]

Answer:

Step-by-step explanation:

First we divide 5 from 20 then we get 4 so 4 x 15 would be 60.

4 0

3 years ago

What is the discriminant of the quadratic equation

kkurt [141]

The discriminant is b^2 -4ac
a = 1
b = -2
c = 4

discriminant = 4 -4 * 1 * 4 =
4 -16 =
-12
I get MINUS 12 as the answer but that isn't one of the choices.

7 0

3 years ago

35-40 first with the correct answers will get brainliest

serious [3.7K]

Answer:

35.w/g=m

36. P=1/2Q-15

37. R=IV

38. b=-mx+y

39. a) t=-d-e+f

b) t=19.175

40. No, X=-2.4

Step-by-step explanation:

Explanation for 40:

2(x-4)-4x=-6x+9x+4

first do the parentheses

2x-8-4x=-6x+9x+4

next combine like terms

-2x-8=3x+4

add 2x to each side

-8=5x+4

subtract 4 from each side

-12=5x

divide both sides by 5

x=-2.4

7 0

3 years ago

Which value could be the length of the missing side of the triangle?

Nana76 [90]

Answer

12. Is your answer

6 0

3 years ago

A baseball team has home games on Friday and Sunday. The two games together earn $3432.00 for the team. Friday's game generate

scoundrel [369]

Answer:

Friday's game generates $1,664 while Sunday's, game generates $1,768 for a total of $3432.00.

Step-by-step explanation:

First, identify what you know:

1) A baseball team has home games on Friday and Sunday

2) Both games, combined, earned $3432.00

3) Friday's game generated $104.00 less than Sunday's game.

We can create a formula to solve our problem!

$3,432 = x + (x - 104)

$3,432 + 104 = x + x

$3,536 = 2x

$3,536/2 = x

x = $1,768

Sunday's game earned $1,768! If Friday's game earned $104 less, then simply subtract that from Sunday's earning!

$1,768 - $104 = $1,664

Friday's game cost $1,664, and Sunday's game earned $1,768!

Hope this helps! :)

7 0

3 years ago

Read 2 more answers