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grigory [225]
2 years ago
11

Find x for 2x^2-8x-24=0

Mathematics
1 answer:
Galina-37 [17]2 years ago
7 0

Answer:

X1= -2 X2=6

Step-by-step explanation:

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Plz, help me with this question!
Hatshy [7]

Answer:

A. 24

Step-by-step explanation:

Angles in a triangle add up to equal 180

Thus, 66 + 90 + x = 180

66 + 90 = 156

156 + x = 180

180 - 156 = 24

Hence, x = 24

Note: There is a right angle indicated by the square inside of the triangle. A right angle has a measure of 90 degrees. So Just in case you were wondering that's where the 90 cam from

5 0
2 years ago
Read 2 more answers
How do you solve this?
Sholpan [36]

40% of 60 is 24


To convert from percent to decimal, divide the percent without the percent symbol by  100.

so, 40% = 40/100 = 0.4

40% 60 is just 0.4*60 = 24

6 0
2 years ago
Read 2 more answers
-9=k-6
Shkiper50 [21]

Answer:

k = -3

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>

-9 = k - 6

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

  1. Add 6 to both sides:                    -3 = k
  2. Rewrite:                                         k = -3
3 0
3 years ago
What is a name for a marked angle ? Answers to choose from :
katen-ka-za [31]

Answer:

Angles are named in two ways. You can name a specific angle by using the vertex point, and a point on each of the angle's rays. The name of the angle is simply the three letters representing those points, with the vertex point listed in the middle. You can also name angles by looking at their size.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
When 300 college students were surveyed, 220 said they own their car. Find a point estimate for p, the population proportion of
Scilla [17]

\text{Hello there!}\\\\\text{Point estimates would be represented as:}\,\,p=\frac{x}{t}\\\\\text{"x" would represent the value you know}\\\\\text{"t" would represent your total}\\\\\text{To find your point value, you would divide 220 by 300}\\\\220\div300=0.73333333\\\\\text{Round to the nearest thousandths place}\\\\\boxed{0.733}

4 0
3 years ago
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