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galben [10]
3 years ago
15

Answer for 17 please???????????

Mathematics
1 answer:
uranmaximum [27]3 years ago
7 0

The amount of degrees in a polygon: 360

In a pentagon: 360 / 5 = 72

9x - 18 = 72     Add 18 to both sides

9x = 90               Divide by 9

x = 10

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. A garden measuring 12 m by 16 m is to have a pedestrian pathway that is ???????? meters wide installed all the way
Radda [10]

Answer:

1.5m

Step-by-step explanation:

Let the length of the pathway across all its side be x. This means we are adding a length of 2x to both the length and breadth to 12+2x and 16+2x respectively.

The new area thus becomes:

(12+2x)(16+2x) = 285

24x + 32x + 192 + 4x^2 = 285

4x^2 + 56x + 192 = 285

4x^2 + 56x + 192 - 285 =0

4x^2 + 56x -93 = 0

4x^2 + 62x - 6x - 93 = 0

2x( 2x + 31) - 3(2x + 31) = 0

(2x - 3)(2x + 31) = 0

This means x = 3/2 or -31/2

Since length cannot be negative , we choose the first and neglect the second meaning our answer is 3/2 which is 1.5 meters

4 0
3 years ago
1.Which numbers below could be classified as integers? 2.Which number belongs in the shaded portion of the diagram below?
BigorU [14]

Answer:

1). Option (3)

2). Option (D)

Step-by-step explanation:

1). Integers are the numbers which are whole numbers with negative or positive notations.

Integers can't be a fraction or a number with decimal.

Out of the numbers given,

-18 and 4 will be the integers

Option (3) is the correct answer.

2). Shaded portion of the diagram represents the rational numbers excluding integers,

By the definition of the rational numbers, any number which can be written as a fraction is a rational number.

Rational numbers → All numbers given are the rational numbers

Integers → \frac{16}{4}=4, -\frac{30}{5}=6, -\frac{32}{8}=-4

Therefore, only one number \frac{30}{9} will lie in the shaded region.

Option (D) will be the answer.

4 0
4 years ago
Quick anyone know the answer to this algebra question?
dlinn [17]

The function plotted looks like

f(x)=\log_4 x

which is going to have many things in common with g(x).

Both graphs increase... CHECK

Same x intercept.  Yes, log(1)=0 in every base.  CHECK

No y intercept; log(0) is always undefined.  CHECK

Neither has a vertical asymptote.  No, the y axis, x=0, is the vertical asymptote for both functions.   FALSE, no check

Both graphs have a horizontal asymptote.  No, both functions are slowly growing but grow without bound.  FALSE, no check

5 0
3 years ago
5n + 11 = 46 <br> Solvig simple equations
kobusy [5.1K]
5n+11=46
5n=35  (subtract 11 from both sides)
n=7      (divide both sides by 5)
8 0
4 years ago
Read 2 more answers
Please help me solve this
Ira Lisetskai [31]
I’m sorry I do not know the other person was rude
6 0
3 years ago
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