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3 years ago

What is the distance of work 1 2/3 and 1 1/4

2 answers:

8 0

The distance is 5/12 because when i changed the denominator into 12 and multiplied the top by 3 and 4 then subtracted and got 5/12

PIT_PIT [208]3 years ago

5 0

$1\dfrac{2}{3}-1\dfrac{1}{4}=1\dfrac{2\cdot4}{3\cdot4}-1\dfrac{1\cdot3}{4\cdot3}=1\dfrac{8}{12}-1\dfrac{3}{12}=\dfrac{8-3}{12}=\boxed{\frac{5}{12}}$

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Solve system by using substitution show all work please quickly x + y = 2 y = 5

Olegator [25]

Answer:

(-3, 5)

General Formulas and Concepts:

Pre-Algebra

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:

Step 1: Define Systems

x + y = 2

y = 5

Step 2: Solve for x

Substitute in y: x + 5 = 2
Isolate x term: x = -3

5 0

3 years ago

Rebecca bought groceries using 50% of her paycheck from her part-time job. She saved 75% of the remaining amount of money and ha

USPshnik [31]

0.75 (1/2x) = 60

60/3 is 20, which is 25% of her remaining money,
So her total remaining money is $80.

Then 80 x 2 = 160

8 0

3 years ago

Can somebody answer this question? Please show work and whoever does it best get's brainliest and 5/5 stars

balandron [24]

Answer:

-49

Step-by-step explanation:

-49

5 0

3 years ago

C.) Apple offers a buyback program for iPhones after they are 5 years old. They

max2010maxim [7]

Answer: It would not be profitable to sell it back for 100$.

Step-by-step explanation:

It would not be profitable because you might have payed 300-1000$ (Depending what phone you buy) for your phone. It would only be profitable for the older generation of the phones like iPhone 5 and iPhone 6.

4 0

3 years ago

If cos A = 3 over 11, then which of the following is correct?

ziro4ka [17]

Answer: The answer is (a) sec A = 11 over 3.

Step-by-step explanation: Given that Cosine of an angle 'A' is 3 over 11,

i.e.,

$\cos A=\dfrac{3}{11}.$

And we need to find which one of the given four options is correct.

We have the following relations between cosine, secant and cosecant of an angle from trigonometry.

$\sec A=\dfrac{1}{\cos A}~~\textup{and}~~\csc A=\dfrac{1}{\sqrt{1-\cos^2 A}}.$

Therefore,

$\sec A=\dfrac{11}{3}$

and

$\csc A=\dfrac{1}{\sqrt{1-\frac{9}{121}}}=\dfrac{1}{\sqrt{\frac{112}{121}}}=\dfrac{11}{4\sqrt 7}.$

Thus, the correct option is (a) sec A = 11 over 3.

3 0

4 years ago