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astra-53 [7]
3 years ago
10

How did u get the z value

Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0

Answer:

The value Z is a variable.

Step-by-step explanation:

A variable is a letter.

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A rectangular plot measures 20 ft. By 30ft. A 3ft wide side walk surrounds it. Find the area of the side walk
r-ruslan [8.4K]

Answer:

336 feet²

Step-by-step explanation:

If we have a rectangle that is 30 by 20 feet, that means the area of that rectangle would be 20 × 30 feet squared, which is 600 ft².

If there is a 3 feet sidewalk surrounding it, that means that the end of the sidewalk will extend 3 feet extra around each side of plot. Since there are two ends to one side, that means an extra six feet is added on to each dimension. Therefore, 36 × 26 are the dimensions of the sidewalk+plot. 36 × 26 = 936 ft².

To find the area of the sidewalk itself, we subtract 600 ft² from 936 ft². This gets us with 336 ft².

Hope this helped!

3 0
2 years ago
Justyna invested $1500 in an account at a 2.5% interest rate compounded annually. She made no deposits or withdrawals on the
olga55 [171]

Answer:

$1783.03

Step-by-step explanation:

Annually compounding interest formula:

PV(1+i)ⁿ

1500(1+.025)⁷

1500(1.025)⁷

1783.028631

which rounds to

1783.03

4 0
2 years ago
Read 2 more answers
Answer the equation according to the directions
Alchen [17]
Answer: 2x^9 Hope this helps!
5 0
3 years ago
What is the value of numerical expression 5/8 - 5/12 (3-1/4)+2/3
makvit [3.9K]
It would be 7/48 or the decimal would be 0.15
8 0
3 years ago
Find the equation of the line that passes through the two points (5,-3) and (-5,2). Write your answer in standard form. Help me
lidiya [134]

Answer:

x + 2y = -1

Step-by-step explanation:

First, we'll find the slope.

Slope = (2 - (-3)) / (-5 - 5) = 5 / -10 = -1/2

Since we know the slope and a point that belongs to the line, we can write this in point-slope form which will be:

y - 2 = -1/2(x - (-5))      *I used (-5, 2) but it doesn't matter which point you use

y = -1/2(x + 5) + 2

y = -1/2x - 1/2

Standard form:

1/2x + y = -1/2

x + 2y = -1

8 0
3 years ago
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