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3 years ago

Special wallpaper that costs $2 per square foot. How much will the wallpaper cost in total?

Mathematics

2 answers:

Llana [10]3 years ago

3 0

well i need to know how much you are buying to know the total price XD

seraphim [82]3 years ago

3 0

Answer:

how many feet are there?

Step-by-step explanation:

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Triangle X Y Z is shown. The length of side X Y is (9 n + 12) feet and the length of side X Z is (15 n minus 6) feet. Angles X Y

zmey [24]

Answer:

$n = 3$

$XY = 39$

$XZ = 39$

Step-by-step explanation:

Given

$XY = 9n + 12$

$XZ = 15n - 6$

Solving (a): n

To solve for n;

We make use of

$XY = XZ$

Substitute values for XY and XZ

$9n + 12 = 15n - 6$

$9n - 15n = -12 - 6$

$-6n = -18$

Divide through by -6

$n = 3$

Solving (b) XY

$XY = 9n + 12$

Substitute 3 for n

$XY = 9 * 3 + 12$

$XY = 27 + 12$

$XY = 39$

Solving (c): XZ

$XZ = XY$

$XZ = 39$

7 0

3 years ago

I need sambady help my to rate the question

OLEGan [10]

Counting by tens is faster than counting by ones because you skip more numbers in between 10 and the next number than just counting by ones

8 0

3 years ago

I sell cookies for $3 and muffins for $7. Yesterday, I made $129. I sold a total of 27 items. How many of each did I sell? CAN S

nordsb [41]

Answer:

skp

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

write the equation of the line that passes through the point (6, -2) and is parallel to the line y = 1/2x - 4.

Nina [5.8K]

Y = 1/2x - 5

We know the slope to be 1/2 because lines that are parallel have the same slope. Then we can solve using slope-intercept form and the known point.

y = mx + b ----> Input known values
-2 = (1/2)(6) + b ---> Multiple
-2 = 3 + b ----> Subtract 3 from both sides
-5 = b

Now we can use the y-intercept found and the slope to write the equation above.

6 0

4 years ago

Suppose the population of a certain city is 5289 thousand. It is expected to decrease to 4530 thousand in 50 years. Find the per

Tcecarenko [31]

Answer:

14.4% decrease

Step-by-step explanation:

Here is the formula for finding the percentage of decrease:

(starting value - final value) / starting value * 100.

So for your question,

$\frac{5289-4530}{5289} =.0144\\.0144 * 100 = 14.4\\$ /

There was a 14.4% decrease within 50 years.

5 0

3 years ago