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3 years ago

7

If the conditional statement, “If today is Friday, then yesterday was Thursday” is true, which other statement must also be true

?

1 answer:

myrzilka [38]3 years ago

4 0

Answer:

If today is not Thursday, then tomorrow is not Friday.

Step-by-step explanation:

I presume this is the answer off other peoples responses on the same question elsewhere.... next time include the whole question.

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Solve using the quadratic formula. Approximate answers to the nearest tenth.

Thepotemich [5.8K]

Answer:

$\displaystyle x = 2, \ 3$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Algebra I</u>

Standard Form: ax² + bx + c = 0
Quadratic Formula: $\displaystyle x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}$

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify variables</em>

x² - 5x + 6

↓

<em>a</em> = 1, <em>b</em> = -5, <em>c</em> = 6

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

Substitute in variables [Quadratic Formula]: $\displaystyle x = \frac{5 \pm \sqrt{(-5)^2-4(1)(6)}}{2(1)}$
[√Radical] Evaluate exponents: $\displaystyle x = \frac{5 \pm \sqrt{25-4(1)(6)}}{2(1)}$
[√Radical] Multiply: $\displaystyle x = \frac{5 \pm \sqrt{25-24}}{2(1)}$
[√Radical] Subtract: $\displaystyle x = \frac{5 \pm \sqrt{1}}{2(1)}$
[√Radical] Evaluate: $\displaystyle x = \frac{5 \pm 1}{2(1)}$
Multiply: $\displaystyle x = \frac{5 \pm 1}{2}$
Add/Subtract: $\displaystyle x = \frac{4}{2}, \ \frac{6}{2}$
Divide: $\displaystyle x = 2, \ 3$

6 0

3 years ago

What is the solution to -(4n + 19) = 6(n - 9)

Luda [366]

The answer should be 7/5 ..

7 0

4 years ago

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How many solutions can be found for the equation 4z + 2(z – 4) = 3z + 11? (4 points)

zlopas [31]

I hope this helps you

4z+2.z-4.2=3z+11

4z-3z+2z=11+8

3z=19

z=19/3

one solution

3 0

3 years ago

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What is the difference between 2,800 and 459?

DENIUS [597]

The difference is 2,341

4 0

3 years ago

4+5? i dont get it hmmm hmmm hmmm

juin [17]

Answer:

it's 9

Step-by-step explanation:

It's 9 because the value of 4 and the value of 5 combined together is 9. I hope that helped :)

3 0

3 years ago

Read 2 more answers