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zalisa [80]
1 year ago
9

A rectangular garden has a length of (3x + 30) units and a width of (x + 20) units. The garden also consists of a walkway, which

has an area of (x2 + 30x + 200) square units. Complete the polynomial expression that represents the total planting area in the garden.
Mathematics
2 answers:
denis23 [38]1 year ago
7 0
2x^2 + 60x + 400

If you multiply the first two equations to find the total area of the garden, then you can subtract the size of the path from tha and then you'll have your answer.... Math is the best thing ever
WARRIOR [948]1 year ago
4 0

Answer:

2x^2+60x+400

Step-by-step explanation:

First we have to find the total area of the garden then:

(3x+30)(x+20)=3x^2+60x+30x+20=3x^2+90x+600

Now we just have to substract the walkway area tha is x^2+30+200 then:

3x^2+90x+600-(x^2+30x+200)=3x^2+90x+600-x^2-30x-200)=

2x^2+60x+400

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Arthur wrote that 15 – 14.7 = 3.
PilotLPTM [1.2K]
3 is incorrect because 14.7 + 3 = 17.7
The answer of 15 - 14.7 = 0.3
8 0
1 year ago
Given directed line segment QS , find the coordinates of R
Degger [83]

Answer:

The answer is below

Step-by-step explanation:

The question is not complete, what are the coordinates of point Q and R. But I would show how to solve this.

The location of a point O(x, y) which divides line segment AB in the ratio a:b with point A at (x_1,y_1) and B(x_2,y_2) is given by the formula:

x=\frac{a}{a+b}(x_2-x_1)+x_1\\ \\y=\frac{a}{a+b}(y_2-y_1)+y_1

If point Q is at (x_1,y_1) and S at (x_2,y_2)  and R(x, y) divides QS in the ratio QR to RS is 3:5, The coordinates of R is:

x=\frac{3}{3+5}(x_2-x_1)+x_1=\frac{3}{8}(x_2-x_1)+x_1\\ \\y=\frac{3}{3+5}(y_2-y_1)+y_1=\frac{3}{8}(y_2-y_1)+y_1

Let us assume Q(−9,4) and S(7,−4)

x=\frac{3}{8}(7-(-9))+(-9)=\frac{3}{8}(16)-9=-3\\\\y=\frac{3}{8}(-4-4)+4=\frac{3}{8}(-8)+4=1

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2 years ago
A survey of over 7,000 randomly selected employees in 15 nations recently showed that employees who work
arlik [135]

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Not necessarily, because this wasn't an experiment.

Step-by-step explanation:

7 0
1 year ago
Given that the two parallel lines are cut by a transversal, and the measure of angle 2 is 50 degrees. Find each of the missing a
Mandarinka [93]

Answer:

Step-by-step explanation:

Lines m and l are the parallel lines and a line 'n' is a transverse intersecting these lines.

m∠2 = 50°

m∠1 + m∠2 = 180° [Linear pair of angles]

m∠1 = 180° - 50°

m∠1 = 130°

m∠3 = m∠1 = 130° [Vertically opposite angles]

m∠3 + m∠5 = 180° [Consecutive interior angles]

m∠5 = 180° - m∠3

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        = 50°

m∠6 + m∠5 = 180° [Linear pair of angles]

m∠6 = 180° - 50° = 130°

7 0
2 years ago
Ms. Corley wants to take her class on a trip to either the nature center or the zoo the nature center charges $4 per student plu
lianna [129]
X- class members
y-total cost of a trip
The nature center: y=4$*x+95$
The zoo: y=9$*x+75$
4x+95=9x+75⇒5x=20⇒x=20/5
x=4, y=111
<span>If Ms. Corley has 22 students in her class, cost for nature center would be 4$*22+95$=183$ and for the zoo 9$*22+75$=273$.
The zoo would cost less.
</span>
3 0
1 year ago
Read 2 more answers
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