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blsea [12.9K]
3 years ago
10

(-3)*(2a+b)-4(b-a) I WILL AWORD BRILLEEST

Mathematics
1 answer:
Fynjy0 [20]3 years ago
4 0

Answer:

-3(2a+b)4+a/(2a+b)4

Step-by-step explanation:

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How to simplify 1/8 - ( - 5/8 )
guajiro [1.7K]

Answer:

3/4

Step-by-step explanation:

First distribute the negative

1/8+5/8

then add both fractions together

1/8+5/8=6/8

6 and 8 can both be divisible by 2

Therefore,

6/2=3

8/2=4

Final answer is going to be 3/4

6 0
3 years ago
Estimate the amount of the tip by rounding the bill to the nearest dollar before calculating.
Mashutka [201]

Answer:

$17

Step-by-step explanation:

First, round $85,39 to the nearest dollar:

85,39 ≈ 85

Then calculate the amount of the tip:

\frac{1}{5}(85) = 17 \\  \\  \frac{1}{5}  = 20\%

I am joyous to assist you anytime.

4 0
3 years ago
2(8y-7)=2(3+8y)<br>please help I am having trouble ​
KonstantinChe [14]

Answer:

its undefined

Step-by-step explanation:

u dont have enough information ahh

4 0
3 years ago
Read 2 more answers
What is the distance between the points (2, 1) and(6, 7)?
icang [17]

Answer:

\displaystyle d = 2\sqrt{13}

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Coordinates (x, y)

<u>Algebra II</u>

  • Distance Formula: \displaystyle d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

Point (2, 1)

Point (6, 7)

<u>Step 2: Find distance </u><em><u>d</u></em>

Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>

  1. Substitute in points [Distance Formula]:                                                         \displaystyle d = \sqrt{(6 - 2)^2 + (7 - 1)^2}
  2. [√Radical] (Parenthesis) Subtract:                                                                   \displaystyle d = \sqrt{4^2 + 6^2}
  3. [√Radical] Evaluate exponents:                                                                       \displaystyle d = \sqrt{16 + 36}
  4. [√Radical] Add:                                                                                                 \displaystyle d = \sqrt{52}
  5. [√Radical] Simplify:                                                                                           \displaystyle d = 2\sqrt{13}
3 0
3 years ago
How do I do these problems?
katen-ka-za [31]
For number 1) You need to get m alone, so you must add 4.4 to 2.6.
For number 2) Same thing as #1
For number 3) You must get c alone, you need to divide 10 by 2.5
For number 4) Same as #3
For number 5) You need to get t alone, so you must multiply both sides by 2.5
For number 6) Same as #5
5 0
3 years ago
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