3 years ago

1. 24x - 18

Mathematics

1 answer:

egoroff_w [7]3 years ago

5 0

letter c. its correct but pls get bigger the pt and im will be your brainly tracher

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the 7th grade teachers want to buy the principal a giant stuffed tiger for his office cost of $50 however the store is having a

melomori [17]

So with the 10% discount, thats 45$, adding tax, that's <span>$47.70.</span>

3 0

4 years ago

Matthew has recorded the amount he's saved every three months. Months Savings 3 $1,800 6 $3,600 9 $5,400 Christopher saves $550

sammy [17]

The <u>correct answer</u> is:

Matthew's rate is higher by $50 per month.

Explanation:

We know that Christopher's rate is $550 per month.

To find Matthew's rate, we will treat the data we have as ordered pairs:
(3, 1800)
(6, 3600)
(9, 5400)

We find the slope of the line between these points. The formula for slope is:

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

Using the first two points, we have:
$m=\frac{3600-1800}{6-3}=\frac{1800}{3}=600$

To verify Matthew saves the same amount each month, we will find the slope between the second two points and make sure they're the same:

$m=\frac{5400-3600}{9-6}=\frac{1800}{3}=600$

Matthew's rate is $600 per month.
This is higher than Christopher's by 600-550=$50 per month.

6 0

3 years ago

Read 2 more answers

Find the value of each variable by getting a quadratic equation equal to 0 first, then solve. Justify x^2 + 32 = 12x

Bingel [31]

Answer:

x = 4 ; x = 8

Step-by-step explanation:

$x^2 + 32 = 12x$