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3 years ago

Karen works 42 hours in a week and earns 6.85 per hour. Estimate the amount of money she earns in a week.

Mathematics

2 answers:

katen-ka-za [31]3 years ago

7 0

Answer:

287.7 u gotta be kidding,

Step-by-step explanation:

42×6.85=287.7

faust18 [17]3 years ago

5 0

6.85x42=ur answer good luck just use calculator

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Point b has coordinates (-8,15) and lies on the circle whose equation is x^2+y^2=289. If an angles is drawn in standard position

Alenkinab [10]

Answer:

$\cos \theta=-\dfrac{8}{17}$

Step-by-step explanation:

Coordinates of Point b $=(-8,15)$

b lies on the circle whose equation is $x^2+y^2=289$

$x^2+y^2=17^2$

Comparing with the general form a circle with center at the origin: $x^2+y^2=r^2$

The radius of the circle =17 which is the length of the hypotenuse of the terminal ray through point b.

For an angle drawn in standard position through point b,

x=-8 which is negative

y=15 which is positive

Therefore, the angle is in Quadrant II.

$\cos \theta=\dfrac{Adjacent}{Hypotenuse} \\$Adjacent=-8\\Hypotenuse=17\\\cos \theta=\dfrac{-8}{17} \\\cos \theta=-\dfrac{8}{17}$

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3 years ago

Y+3=−4(x+7)<br> what is the slope>

Wewaii [24]

Answer:

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2 years ago

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An expression involves subtracting two numbers from a given first number under what circumstance will the value of the expressio

vagabundo [1.1K]

Say that you start from a number $x$ . Then, you subtract $y$ and $z$ from $x$ , which means that the expression is

$x-y-z = x-(y+z)$

If we want this expression to be negative, we have

$x-(y+z)$

So, in order for the expression to be negative, the two numbers we are subtracting, combined, must be more than the starting number.

For example, if we start from 10 and we subtract 4 and then 8, we have

$10-4-8 = 10-12=-2$

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3 years ago

A bottle full of liquid weighed 2kg 209g the empty bottle weighed 1kg 146g . What was the weight of the liquid?

Neko [114]

Answer:

1.063

Step-by-step explanation:

Firstly, I turned the grams to kg=0.209

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3 years ago

Jeff had $46.18 in his wallet Monday morning. He gave half of his money to his brother. He then bought two donuts for $0.75 each

Vilka [71]

To start the day, Jeff had $46.18
he gave half to his brother so
46.18/2 = 23.09
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23.09 - 1.50 = 21.59
he now has $21.59

now he bought a coffee for $2.99
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Jeff has $18.60 left

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