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Nimfa-mama [501]
3 years ago
5

Solve for r. - 17 +r = 42

Mathematics
2 answers:
zysi [14]3 years ago
8 0
-17+r=42
-17+r+17=42+17
r=59
Vaselesa [24]3 years ago
7 0

Answer:

R = 25

Step-by-step explanation:

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What is 67 16/34 + 14/28 =?​
kirill [66]

Answer:

67.9705...

Add the two numbers.

67 16/34 + 14/28 = 67.9605...

That is your answer.

6 0
3 years ago
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HELPPPP FIRST GET BRAINLLEST Measure the difference between the lower quartile of Data Set A and the lower quartile of Data Set
m_a_m_a [10]

Answer:

26

Step-by-step explanation:

Let's find first the lower quartile in both A and B

steps:

  1. look for the smallest sum of two consecutive numbers
  2. divide by 2 to get the lower quartile

  • A

73 and 75 are the smallest consecutive numbers

  • 73+75 = 148
  • 148/2 =74

The lower quartile in A is 74

  • B

47 and 49 are the smallest consecutive numbers

  • 47+49 = 96
  • 96/2 = 48

The lower quartile in B is 48

  • 74-48 = 26
6 0
3 years ago
Read 2 more answers
Add polynomials (intro) Add. Your answer should be an expanded polynomial in standard form. (3x^3 + 4x²) + (3x^3 – 4x^2 – 9x) =
Vlad1618 [11]

(3x^3 + 4x²) + (3x^3 – 4x^2 – 9x) =​

We have to combine like terms, terms that have x raised to the same power:

First, eliminate the parenthesis:

3x^3 + 4x² + 3x^3 – 4x^2 – 9x =​

We have 2 terms raised to the second power (4x^2 and -4 x^2) simply add and subtract.

3x^3+3x^3+4x^2-4x^2-9x

6x^3-9x

7 0
1 year ago
5x + 7y = 17<br> x + 4y = 19
REY [17]
<h2>Answer:</h2>

5x + 7y = 17 ....(1)

x + 4y = 19 .....(2)

<u>From equation 2</u>

x + 4y = 19

x = 19 - 4y

<u>Putting the value of x in Equation (1)</u>

5(19 - 4y) + 7y = 17

95 - 20y + 7y = 17

- 20y + 7y = 17 - 95

-13y = -78

y = \frac{78}{13}

y = 6

<u>Now, putting the value of y in equation </u><u>(</u><u>2</u><u>)</u>

x + 4y = 19

x + 4(6) = 19

x + 24 = 19

x = 19 - 24

x = -5

<u>Therefore, the value of y is 6 and value of x is -5</u>

5 0
3 years ago
Khan question, please help
barxatty [35]

Answer:

A

Step-by-step explanation:

Khan gives you right answer and tells you what's wrong, but this site is for help so, all you need to do is use the destructive property.

12 x 2= 24 12 x 3 = 36 12 x -1 = -12

now you have the original expression, 24 + 36 - 12 (without the letters.)

3 0
2 years ago
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