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ludmilkaskok [199]
2 years ago
14

Help please!! thank you

Mathematics
1 answer:
irina1246 [14]2 years ago
4 0

Answer:

28h + 54=379

Step-by-step explanation:

"28h"=hour of pages she could read.

"+54" because she already have read it, so add it to the equation.

"=379" total of the pages in book.

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What is the measure of А<br> 50"<br> 50°<br> B<br> C<br> [Not drawn to scale]<br> 50°<br> 80<br> 100<br> 130
Paladinen [302]

Answer:

solution given :

<A=?

<B=50°

<C=50°

if it is a triangle:

<A+<B+<C=180°( sum of interior angle of a triangle is 180°)

<A=180-50-50

<A=80°

<<u>A=</u><u>8</u><u>0° is a required answer.</u>

7 0
3 years ago
URGENT!!!!!!!!!!!!!!! Please help! Will mark brainlest
Nitella [24]

Answer:

2 nd one

Step-by-step explanation:

8 0
3 years ago
Which expression represents the distance between the points (11, 4) and (5,8)?
antiseptic1488 [7]

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>

Point (11, 4) → x₁ = 11, y₁ = 4

Point (5, 8) → x₂ = 5, y₂ = 8

<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{(5-11)^2+(8-4)^2}
  2. [√Radical] (Parenthesis) Subtract:                                                                 \displaystyle d = \sqrt{(-6)^2+(4)^2}
  3. [√Radical] Evaluate exponents:                                                                    \displaystyle d = \sqrt{36+16}
  4. [√Radical] Add:                                                                                               \displaystyle d = \sqrt{52}
  5. [√Radical] Simplify:                                                                                         \displaystyle d = 2\sqrt{13}
4 0
3 years ago
What is the value of a?
dexar [7]

Answer:

a= 2x <u><em>(edit: i just forgot it should be a integer x.x, forgive my blondiness)</em></u>

Step-by-step explanation:

usually when doing equations like that, you can separate one of the parenthesis with 0

(in this case, we will use (2x-a) )

Then create a equation, which should look like:

2x-a=0

Then solve for a

(-2x)2x-a=0(-2x)\\(-1)-a=-2x (-1) \\a=2x

5 0
3 years ago
Need some help with this please
marissa [1.9K]
Variable equals 12
Equation equals 16m+12b=112
Solution you just divide 112 by the product of 16+12
3 0
3 years ago
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