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kakasveta [241]

4 years ago

9

4THROUGH 6 PLEASE HELP 25 POINTS

2 answers:

Mumz [18]4 years ago

5 0

Simple boy learn idk lol im a student

Wittaler [7]4 years ago

4 0

4. 15 of the 300 glowsticks are defective, so in a fraction, it would be 15/300. in percentages, it is 5%
5. there are 37 wins out of a total of 41 games. it is 37/41 in a fraction. in percentages, it is about 90%
6. there are 3 losses out of a total of 28 games. in a fraction, it is 3/28. in percentages, it is about 11%

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-4 + (-3) + 6 simplified

Maru [420]

Answer:

$- 4 + ( - 3) + 6 \\ = - 7 + 6 \\ = - 1$

6 0

3 years ago

Which shows the correct substitution of the values a, b, and c from the equation 1 = –2x + 3x2 + 1 into the quadratic formula? Q

Tanzania [10]

First of all, you have to manipulate the equation into the standard

$ax^2+bx+c=0$

form. You can simplify the 1's on both sides and you have

$3x^2-2x=0$

This means that your coefficients are

$a=3,\quad b=-2,\quad c=0$

And since the solving formula is

$x_{1,2}=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

Plugging your values yields

$x_{1,2}=\dfrac{-(-2)\pm\sqrt{(-2)^2-4\cdot 3\cdot 0}}{2\cdot 3}$

5 0

3 years ago

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romanna [79]

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5 0

4 years ago

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2. Make a conjecture:<br> What do you think is the measure of the<br> angle of rotation?

aksik [14]

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Step-by-step explanation: it said i was right

7 0

3 years ago

Solve the inequality:<br> 14.3 > 5(z- 2) - 2.1

natta225 [31]

Answer:

z < 5.28

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtract Property of Equality

Step-by-step explanation:

<u>Step 1: Define</u>

14.3 > 5(z - 2) - 2.1

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

Distribute 5: 14.3 > 5z - 10 - 2.1
Subtract: 14.3 > 5z - 12.1
Add 12.1 on both sides: 26.4 > 5z
Divide 5 on both sides: 5.28 > z
Rewrite: z < 5.28

Here we see that any value <em>z </em>smaller than 5.28 would work as a solution to the inequality.

3 0

3 years ago