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3 years ago

Evaluate this please

Mathematics

1 answer:

AleksandrR [38]3 years ago

4 0

This would give you 0.027 which equals 1/36

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Alaina is selling wreaths and poinsettias for her chorus fundraiser. Wreaths cost $27 each poinsettia cost $20 each. If she sold

marishachu [46]

Answer:

The number of wreaths Alaina sells is 9 .

Step-by-step explanation:

As given

Alaina is selling wreaths and poinsettias for her chorus fundraiser.

Wreaths cost $27 each poinsettia cost $20 each.

If she sold 15 poinsettias and made $543.

Let us assume that the number of wreaths Alaina sells = x

As the number of poinsettias Alaina sells = 15

Than the equation becomes

27x + 15 × 20 = 543

27x + 300 = 543

27x = 543 - 300

27x = 243

$x = \frac{243}{27}$

x = 9

Therefore the number of wreaths Alaina sells is 9 .

4 0

4 years ago

How do you solve a rhombus with area and premiter

Maksim231197 [3]

By "premiter" do you mean perimeter?

3 0

4 years ago

Your test scores in one class are 75 and 83. What possible scores can you earn on your next test to have a test average between

garik1379 [7]

Answer:

A score between 79 to 100

Step-by-step explanation:

As the average is not a simple number but a range between 79 and 86 you need to make a decision on what average number to choose, for example we can choose the 79 or 86

First we choose 79

Then (test1+test2+test3)/3=79

(75+83+test3)/3=79

75+83+test3=237

Test3=237-75-83

Test3=79

Second we choose 86

(test1+test2+test3)/3=86

(75+83+test3)/3=86

75+83+test3=258

Test3=258-75-83

Test3=100

According to this you need a score in the range from 79 to 100 to have a test average between 79 to 86

3 0

3 years ago

The line shown represents the amount of money left on a gift card, y, after Mina buys lattes. After buying 2 lattes, she has $2

vladimir2022 [97]

Answer:

$y-2 = -3(x-2)$

Step-by-step explanation:

Find the diagram to the question attached.

The standard equation of a line in point-slope form is expressed as:

$y-y_0 = m(x-x_0)$ where:

m is the slope of the line

$(x_0, y_0)$ is coordinate point on the line

First is to get the slope of the line.

$m = \frac{y_2-y_1}{x_2-x_1}$

If after buying 2 lattes, she has $2 left, hence one of the coordinate of the line is (2, 2). We can get the other coordinates from the graph. From the graph, it can be seen that when x = 0, y = 8. Hence the other coordinates is (0, 8)

$m = \frac{8-2}{0-2}\\m = \frac{6}{-2}\\m = -3$