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3 years ago

12

Kasey needs to get 80% of his questions correct on his math test to get B for the quarter. If his test has 60 questions, how man

y questions will he need to get right?

1 answer:

Neko [114]3 years ago

6 0

Answer:

80 4 4

___ x 60 = ____ 60 = _____ x 12 = 48 questions he will need to get right.

100 5 1

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4( 3x + 1.5) + 5x solve please

svlad2 [7]

Answer:

Step-by-step explanation:

12x + 6 + 5x

collect like terms

12x + 5x + 6

17x + 6

5 0

3 years ago

coach Cliffman made a deposit of $1800 into an account that earns 2% annual simple interest. find the amount of interest that co

NeX [460]

Answer:

The amount of interest Coach Cliffman earned after 3 years is $108.

Step-by-step explanation:

The equation for simple interest is A = P(1 + rt). To determine the revenue earned, subtract the principal amount ($1800) from the total accured amount (principal + interest). The equation for simple interest is A = P(1 + rt), <em>P </em>meaning principal interest, <em>r</em> being the rate of interest per year in decimal form, and <em>t</em> as time in years.

Let P = $1800, r = .02, and t = 3 and you'll end up with a total accrued amount of $1908. Finally, subtract 1908-1800 to get your answer of $108.

4 0

4 years ago

Consider this system of equations. Which equation represents the first equation written in slope-intercept form? 5 x minus 2 y =

frosja888 [35]

Answer:

$y = \frac{5x}{2} - 5$

Step-by-step explanation:

Given the equation 5x - 2y = 10, to write the equation in slope-intercept form, we need to write it in the standard format y = mx+c where m is the slope/gradient and c is the intercept.

From the equation given 5x - 2y = 10, we will make y the subject of the formula as shown;

$5x - 2y = 10\\\\subtract \ 5x \ from \ both \ sides\\\\5x - 2y - 5x = 10 - 5x\\\\-2y = 10-5x\\\\Dividing \ both \ sides\ by \ -2;\\\\\frac{-2y}{-2} = \frac{10-5x}{-2}\\ \\$

$y = \frac{10}{-2} - \frac{5x}{-2} \\\\y = -5 + \frac{5x}{2}\\\\y = \frac{5x}{2} - 5$

Hence the equation that represents the first equation written in slope-intercept form is $y = \frac{5x}{2} - 5$

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3 years ago

Difference between negatives and positives. The average temperature in Neptune is -320 F while the average temperature in Venus

Vlada [557]

Answer:

1187 degrees is the difference

Step-by-step explanation:

8 0

4 years ago

Which of the following answer choices shows the correct way to balance this reaction: Fe + O₂ → Fe₂O₃

ira [324]

I think the answer is Fe+02=fe 203

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3 years ago