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3 years ago

Which expression best represents Maria's age if she is 1 3 of her father's age?

Mathematics

2 answers:

Vsevolod [243]3 years ago

6 0

X-13=y
hope this helps

Anna71 [15]3 years ago

5 0

Please paste the answer choices next time....
The expression should include a variable for marias age compared to a variable for her fathers

Something like
M=1/3F

M being maria's age and F being her fathers age

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lara [203]

21 I hope this helps :)

5 0

3 years ago

Find the area of circle o if DCBO is a rectangle and DB measure 10 units

Dmitrij [34]

Answer:

$100\pi$

Step-by-step explanation:

Step 1: Identity the radius.

Since O is the center of the circle, and C and E lie on the circumference, OC and OE are the radii of the circle and thus,

OC=OE.

Step 2: Consider the rectangle.

All diagonals in a rectangle are congruent so this means

DB= OC ( OC is also a diagonal).

Thus, OC= 10 units.

Step 3: Analyze

So this means OE is also 10 units as well.

Since we know the length of the radius, Use the area of circle,

$\pi {r}^{2}$

$\pi( {10}^{2} ) = 100\pi$

So the area of a circle is 100 pi.

3 0

2 years ago

Read 2 more answers

What is the area, in square inches, of this trapezoid?

Kisachek [45]

Answer:

Step-by-step explanation:

Area = ((a+b)/2)h=((7+13)/2)*6=60

7 0

2 years ago

Given the function g(x)= -x^2 + x + 5, determine the average rate of change of the function over the interval -4 ≤ x ≤ 3.

OleMash [197]

Answer:

The average rate of change is 2.

Step-by-step explanation:

We are given the function:

$g(x)=-x^2+x+5$

And we want to find the average rate of change over the interval:

$-4\leq x\leq 3$

The average rate of change is synonymous with the slope. So, we will evaluate the function at its endpoints and find the slope between them.

Our first endpoint is given by:

$g(-4)=-(-4)^2+(-4)+5=-15$

And our second endpoint is given by:

$g(3)=-(3)^2+(3)+5=-1$

This gives us two points (-4, -15) and (3, -1). The average rate of change will be the slope between them. Thus:

$\displaystyle ARC=\frac{-1-(-15)}{3-(-4)}=\frac{14}{7}=2$

The average rate of change is 2.

8 0

3 years ago

(x - 3)(2x +9) – 16x<br><br><br><br>helpp simplify the following expressions

BabaBlast [244]

Answer:

2x^2 -13x-27

Step-by-step explanation:

I hope you get it

5 0

3 years ago