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3 years ago

Which quadrilateral with side lengths shown will have a perimeter of 25 meters?

Mathematics

2 answers:

Tju [1.3M]3 years ago

5 0

Answer:

Its d

Step-by-step explanation:

9966 [12]3 years ago

4 0

Answer:

Step-by-step explanation:

it's a d because it add up to 25 Let see

8 + 5 + 6 + 6 = 25

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The length of the rectangle is x cm. The length of a diagonal of the rectangle is 8 crn. The perimeter of the rectangle is 20 cm

klemol [59]

Answer:

$x^2-10x+18=0$

a = -10 and b = 18.

Step-by-step explanation:

Let w represent the width of the rectangle.

We are given that the perimeter of the rectangle is 20 cm, this means that:

$20=2(x + w)$

Let's put w in terms of x. Divide both sides by two:

$10=x+w$

And solve for w:

$w=10-x$

So, the rectangle measures x by (10 - x) cm.

According to the Pythagorean Theorem:

$a^2+b^2=c^2$

a and b are the legs and c is the hypotenuse.

Substitute x for a, w for b, and 8 for c:

$x^2+w^2=8^2$

Simplify and substitute:

$x^2+(10-x)^2=64$

Square:

$x^2+(100-20x+x^2)=64$

Isolate the equation. So:

$2x^2-20x+36=0$

Since the leading coefficient is one, divide both sides by two:

$x^2-10x+18=0$

Therefore, a = -10 and b = 18.

6 0

2 years ago

For f(x)=13^x,find f(3/2)

tekilochka [14]

Answer:

f(3/2) = 13√13 ≈ 46.872167

Step-by-step explanation:

Put 3/2 where x is and evaluate.

f(3/2) = 13^(3/2) = 13^(1 +1/2) = 13√13

f(3/2) ≈ 46.872167

5 0

2 years ago

Gina randomly selected students at her school to ask them about their

Nesterboy [21]

Answer:

252

Step-by-step explanation:

7/25=252/900

3 0

3 years ago

!!please help!! I have an F in this class and really need to get it up!

lisov135 [29]

I may be wrong, I think I remember how to do this. A straight line has an angle of 180, so y would be 133, making the area 55571.63u. (u = whatever unit is measuring the circle.) If x = 1/20 of the area, then the red area = 2,778.5u or 2,779u. I hope this helps, but I honestly don't remember how I would find x, and I don't want you to get the question wrong.

5 0

2 years ago

can anyone help me its urgent. i have to get it done with the right answer by 3:25. can anybody help me and dont post saying dum

solmaris [256]

Answer:

Step-by-step explanation:

All pieces of data for seventh grade classes are larger than that of any kindergarten class on the table. This also proves with the mean provided.

The MAD, mean absolute deviation, helps you to identify the variation. The MAD for seventh grade was significantly larger than that of the kinder classes. The range for both sets of data is two times one another, further proving that 7th grade classes varies more.

C and D are irrelevant, and B says "varies less" which is the opposite of what's going on.

Hope that helps!

5 0

3 years ago

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