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jonny [76]
3 years ago
6

Which pair is a base and corresponding height for the triangle?

Mathematics
1 answer:
sergiy2304 [10]3 years ago
8 0
 I believe the answer is B. because the dashed line in the middle of your triangle shows the height, and the only side that is perpendicular to the dashed line, is the one b = 20
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{y=-x+1<br> {y=4x-14<br> please help me <br> my paper is due today
Temka [501]

- x + 1 = 4x - 14 \\  - x - 4x =  - 14 - 1 \\  - 5x =  - 15 \\ x = 3

Substitute x = 3 in any given equations. I will do in y = - x + 1

y =  - x + 1 \\ y =  - 3 + 1 \\ y =  - 2

Therefore the answer is (3,-2)

7 0
3 years ago
At each mile marker for the first five miles of a marathon, Ellie was 18 seconds, 9 seconds, 14 seconds, 6 seconds, and 3 second
mixas84 [53]
The mean is the average.

Let A = mean

A = (18 + 14 + 9 + 6 + 3)/5

A = 50/5

A = 10

Ellie's mean time is 10 seconds.
3 0
3 years ago
1 4/5 x 6 =???<br> please help
icang [17]
10 4/5 is the answer.
7 0
3 years ago
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Solve 3x &lt; 39. please
Vesna [10]

Answer:

x < 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

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

3x < 39

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Divide 3 on both sides:                    x < 13

Here we see that any value <em>x</em> smaller than 13 would work as solution to the inequality.

8 0
3 years ago
Read 2 more answers
Find the values of​ a, b, and c for which the quadratic equation ax^2 + bx + c = 0 has the solutions 8i and −8i.
ozzi
Work backward:  Multiply out (x-8i) and (x+8i).

The product is x^2 - [64i^2], or x^2 - [-64], or x^2 + 64

This is equivalent to 1x^2 + 0x + 64, and so a=1, b=0 and c=64.
4 0
3 years ago
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