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2 years ago

a store owner has 7.11 lbs. of candy. if she puts the candy into 9 jars , how much candy will each jar contain?

1 answer:

3 0

7.11 / 9 = 0.79

This is assuming that they equally split the candy among the jars.

The answer is 0.79 lbs of candy per jar.

Hope this helps! :)

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The twenty-six coins in my pocket are all dollar coins and quarters, and they add up to seventeen dollars in value. How many dol

Law Incorporation [45]

Currency such as dollars can come in various forms such as dimes, quarters, pennies, and nickels.

The number of quarter coins is 12 and the number of dollar coins is 14 coins.

Let's represent:

The number of 1 dollar coin = d

The number of 1 quarter coin = q

The twenty-six coins in my pocket are all dollar coins and quarters. The algebraic equation for this statement above is =

d + q = 26 ........ Equation 1

Making d the subject of the formula

d = 26 - q

1 dollar coin = $1

1 quarter = $0.25

The value of the dollar and nickel coins is seventeen dollars. The algebraic expression for this statement is :

$1 x d + $0.25 x q = 17

d + 0.25q = 17.................Equation 2

Substitute 26 - q for d in Equation 2

26 - q + 0.25q = 17

Collecting like terms

26 - 17 = q - 0.25q

9 = 0.75q

Divide both sides by 0.75

9/0.75 = 0.75q/0.75

q = 12 coins

Solving for number of dollar coins

d = 26 - q

q = 12

d = 26 - 12

d = 14 coins

Therefore, the number of quarter coins is 12 and the number of dollar coins is 14 coins.

To learn more, visit the link below:

brainly.com/question/22799498

7 0

1 year ago

Which digit makes 345 ___ divisible by 2? 1 8 3 7

storchak [24]

8. You can tell a number is divisible by 2 if it ends in a 0,2,4,6, or 8

7 0

2 years ago

Eight times a number plus five times another number is -13. The sum of the number is 1. What are the nymber?

azamat

Answer:

x=-6 y=7

Step-by-step explanation:

8x+5y=-13; x+y=1

Isolate x and substitute

(-13-5y)/8 +y=1

Isolate y

y=7

substitute y=7

(-13-5*7)/8=-6

7 0

2 years ago

BRAINLIESTTT ASAP! PLEASE HELP ME :)

cupoosta [38]

See above information

I am joyous to assist you anytime.

* Since you are in a hurry, check out this link for more information:

brainly.com/question/12725478?utm_source=android&utm_medium=share&utm_campaign=question

7 0

2 years ago

Describe and correct the error the student made when writing the equation of the line that passes through (-8,5)

pshichka [43]

Option D (The student should have used as the slope of the perpendicular line.) is correct.

Step-by-step explanation:

We need to identify the error that the student made in finding equation of the line that passes through (-8,5) and is perpendicular to y = 4x + 2

The slope of the required line would me -1/m because both lines are perpendicular.

So, slope of new line will be: -1/4

because the equation of slope-intercept form is: $y=mx+b$ where m is the slope

Now, for finding equation the student used point slope form i.e $y-y_1=m(x-x_1)$

where y_1 and x_1 are the points and m is the slope.

Putting values:

x_1=-8, y_1=5 and m=-1/4

$y-5=-\frac{1}{4}(x-(-8))\\y-5=-\frac{1}{4}(x+8)\\y-5=-\frac{1x}{4}-2\\y=-\frac{1x}{4}-2+5\\y=-\frac{1x}{4}+3$

This is the correct solution.

The student made error by using the wrong slope he used 2 instead of -1/4

in the step $y-5 = 2(x-(-8))$

So, Option D (The student should have used as the slope of the perpendicular line.) is correct.

Keywords: Equation of line using Slope

Learn more about Equation of line using Slope at:

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3 0

2 years ago

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