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GalinKa [24]
3 years ago
8

I just need a little help ​

Mathematics
2 answers:
Anvisha [2.4K]3 years ago
6 0

Answer:

its the second answer!

Step-by-step explanation:

polet [3.4K]3 years ago
6 0
The answer is B your welcome
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The median size of a new house grew from 1780ft in 1997 to 2223ft in 2008. What is the percent of increase?
USPshnik [31]
So we know that 1780ft was the original thus it's = to a hundred percent. To find the percentage increase, first look at the increase in general 2223-1780= 480ft. So now we know the median increased by 480ft. So to express that as a percentage we can write the equation

X/100 = 480/1780
X = (480 • 100)/1780
X = 26.9662921%

X = 26.97 %

So the % increase is 26.97%
5 0
3 years ago
WILL MARK THE BRAINIEST!!! HELP NEEDED
Citrus2011 [14]

Functions can be represented on graphs

The value of f(k + 3) is 0

Given that:

\mathbf{f(-5) = k}

From the graph, we have:

\mathbf{f(-5) = 2}

So, by comparison:

\mathbf{k = 2}

Substitute 2 for k in f(k + 3)

\mathbf{f(k + 3) = f(2 +3)}

\mathbf{f(k + 3) = f(5)}

From the graph, f(5) = 0

So, we have:

\mathbf{f(k + 3) = 0}

Hence, the value of f(k + 3) is 0

Read more about functions and graphs at:

brainly.com/question/1289308

4 0
3 years ago
Find compound interest on rs 5000 at rate of 10% p.a compounded semi-annually for 1 1/2 years
Sav [38]
Compound interest formula is A = P(1+ \frac{r}{n} ) ^{nt} where A is the amount after T years, P is the principal amount you start with, R is the interest rate, and N is the amount of compounding periods. Semi-annually means we only have 2 compounding periods.

Now plug in: A=5000(1+ \frac{0.10}{2}) ^{1.5*2} which becomes A=5000(1+ \frac{0.10}{2}) ^{3}. Plug this into your calculator. 

A = 5788.125. Because it's money, you would round to the nearest penny.

A = 5,788.13 dollars
5 0
3 years ago
How would I start this?
solong [7]

Answer:

  (0, ∞)

Step-by-step explanation:

A good place to start is by visualizing what the graph looks like on a number line.

For x > 0, it is an open circle at x=0, and shading to the right extending to infinity.

__

So, the left end of the interval is 0, but 0 is not included in the interval.

The right end of the interval is infinity, but there is no such number, so "infinity" is not included in the interval.

"Not included" means you use round brackets ( ) for the corresponding end of the interval. ("Included" would mean you use square brackets [ ].)

So, the interval 0 < x < ∞ is written in interval notation as ...

  (0, ∞)

4 0
4 years ago
Practice question — Given the trapezoid to the right find the length of legs in the following isosceles trapezoid
ad-work [718]

Given:

A figure of an isosceles trapezoid with bases 18 and 24, and the vertical height is 4.

To find:

The legs of the isosceles trapezoid.

Solution:

Draw another perpendicular and name the vertices as shown in the below figure.

From the figure it is clear that the AEFD is a rectangle. So,

EF=AD=18

Since ABCD is an isosceles trapezoid, therefore in triangle ABE and DCF,

AB=DC               (Legs of isosceles trapezoid)

AE=DF                (Vertical height of isosceles trapezoid)

m\angle AEB=m\angle DFC             (Right angle)

\Delta ABE\cong \Delta DCF                (HL postulate)

BE=CF                (CPCTC)

Now,

BE+EF+FC=BC

2BE+18=24

2BE=24-18

2BE=6

BE=3

Using Pythagoras theorem in triangle ABE, we get

Hypotenuse^2=Perpendicular^2+Base^2

(AB)^2=(AE)^2+(BE)^2

(AB)^2=(4)^2+(3)^2

(AB)^2=16+9

(AB)^2=25

Taking square root on both sides, we get

AB=\pm \sqrt{25}

AB=\pm 5

Side length cannot be negative. So, AB=5.

Therefore, the length of legs in the given isosceles trapezoid is 5 units.

3 0
3 years ago
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