2 years ago

Please help me on this problem

Mathematics

2 answers:

Otrada [13]2 years ago

6 0

The answer is 3 out of 8
there are 8 sides but there are only 3 so 3/8 or 3 out of 8

ioda2 years ago

4 0

A. 3 out of 8 because there are 8 pieces in total, and 3 of those pieces are z.

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The area of a rectangle is 216 square inches. If the perimeter is 60 inches, find the length and width of the rectangle

mojhsa [17]

A=Lw

P=2L+2w

216=Lw

W=216/L...substitute to Perimeter equation

60=2L+2(216/L)

60L=2L^2 + 432

2L^2-60L+432=0

2(L^2 - 30L + 216)=0

2(L-18)(L-12)=0

L=12, W=18 or L=18, W=12

3 0

2 years ago

25 feet in 4 seconds; 80 feet in x seconds write a proportion for each phrase and solve it

ozzi

Answer:

12.8 seconds

Step-by-step explanation:

Create a proportion where x is the number of seconds for 80 feet

$\frac{25}{4}$ = $\frac{80}{x}$

Cross multiply and solve for x

25x = 320

x = 12.8

So, the answer is 12.8 seconds

3 0

2 years ago

1. Consider f(x) = 3x - 5

Rzqust [24]

Answer:

Step-by-step explanation:

Here we have the function

$f(x)=3x-5$

We want to find the following ratio:

$\frac{f(x+h)-f(x)}{h}$

Note that the limit of this for $h\rightarrow 0$ is equivalent to the derivative of the function.

Here we have:

$f(x+h)=3(x+h)-5=3x+3h-5$

And

$f(x)=3x-5$

Therefore we have

$f(x+h)-f(x)=3x+3h-5-(3x-5)=3h$

And therefore,

$\frac{f(x+h)-f(x)}{h}=\frac{3h}{h}=3$

4 0

2 years ago

Alonzo will rent a car for the weekend. He can choose one of two planes. The first plan has an initial fee of $38 and cost an ad

Naya [18.7K]

Answer:

in 220 miles both plans will cost the same

Step-by-step explanation:

38 + .12m = 49 + .07m

38 + .05m = 49

.05m = 11

m = 11/.05

8 0

2 years ago

What is the answer to this?

PSYCHO15rus [73]

Answer:

i can only say that you should use this forumla, the sins law

sin(a)/A = sin(b)/B = sin(c)/C

Step-by-step explanation:

7 0

2 years ago