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3 years ago

Sam works 5 days a week for 8 hours each day.He earns $8.00 per hour .How much money will he earn after 3 weeks?

Mathematics

1 answer:

kupik [55]3 years ago

5 0

960 dollars because 5 times 3 is 15. 15 times 8 is 120. 120 times 8 is 960

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Flura [38]

Answer:

4, -3

Step-by-step explanation:

The quadratic formula is $\frac{-b+-\sqrt{b^2-4ac} }{2a}$ .

When using the formula for both the negative and positive value of the sqrt, you will get:

x = 4, -3

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3 years ago

X^+5x+8=0<br> What is the answer to this question

ira [324]

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3 years ago

Solve. k + 6 > 19

Readme [11.4K]

Answer:

k > 13

Step-by-step explanation:

$k+6 > 19\quad :\quad \begin{bmatrix}\mathrm{Solution:}\:&\:k > 13\:\\ \:\mathrm{Interval\:Notation:}&\:\left(13,\:\infty \:\right)\end{bmatrix}$

$\mathrm{Subtract\:}6\mathrm{\:from\:both\:sides}$

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Thus, the answer is k > 13

[RevyBreeze]

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2 years ago

Harry is trying to solve the equation y = 2x^2 − x − 6 using the quadratic formula. He has made an error in one of the steps bel

Bond [772]

He made a mistake in step #2. It seemed to be a trivial mistake because it involved signs, but it still had a great impact. Since step#2, his solution was already wrong.

Instead of
(-1)²-4(2)(-6) = 1 + 48 = 49

What he did is
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3 years ago

A major baseball diamond is a square with side lengths of 90 feet.

iren2701 [21]

Answer: $\bold{a)\quad 90\sqrt2\qquad \qquad b)\quad 45\sqrt2}$

<u>Step-by-step explanation:</u>

Since you are looking for the distance from home plate to second base, you are actually looking for the length of the diagonal of the square. Use the Pythagorean Theorem: a² + b² = c² where a and b are the side lengths and c is the length of the diagonal.

$90^2+90^2=c^2\\8100+8100=c^2\\16200=c^2\\\sqrt{16200}=c\\\boxed{90\sqrt2}=c\qquad \qquad \text{which is approximately 127.28}\\\\\\\\\text{Halfway between home plate and 2nd base means divide that length by 2:}\\\\\dfrac{90\sqrt2}{2}=\boxed{45\sqrt2}$

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3 years ago