All categories

2 years ago

It does not make much sense to me how to answer this question

Mathematics

2 answers:

Marta_Voda [28]2 years ago

6 0

Answer:

286

Step-by-step explanation:

Gelneren [198K]2 years ago

3 0

Answer:

the answer is 150

Step-by-step explanation:

It says how many does nails does Susan have? You have to add all of the nails so 40+45+65 which is 150. Hope this helps. Good luck! :)

You might be interested in

A country's population in 1992 was 72 million. In 1998 it was 76 million. Estimate the population in 2012 using the exponential

stepan [7]

We assume the annual percentage increase is the same. We will work out the constant k using the formula

We have
P = 76
A = 72
t = 6 years (from 1992 to 1998)

Substitute into the formula
$76=72e^{6k}$
$\frac{76}{72}=e^{8k}$
Take log both sides give
$ln( \frac{76}{72})=ln(e^{6k})$
$0.05406722127=6k$
$k=0.009$

We can now work out the number of population by the end of 2012 using the formula

We have
A = 72 million
k = 0.009
t = 10 years (1992 to 2012)

$P=72e^{0.009*10}$ $P=78.78$ ≈79 million

7 0

2 years ago

Write a ratio, in simplest form and a percent for the shaded area

mars1129 [50]

Answer:

drhjrdrhj

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

What is the equation, in standard form, of a parabola that contains the following points? (-2,18),(0,4),(4,24)

nydimaria [60]

Y=ax² + bx + c and A(-2,18), B(0.4), C(4,24) given

1)Let's determine 1st the value of c in using the pair of B
4= a(0)² + b(0) + c , c=4 and y=ax²+bx+4

2) Use the pair of A: 18 = 4a -2b + 4===> 4a-2b=14

3) Use C pair: 24 = 16a+4b+4 ==> 16a+4b=20

4) solve the system equation in 2) and 3) and you'll find a=2 and b=-3

Hence the equation is y =2x²-3x+4

6 0

3 years ago

The area of a circle is 113.04 in.^2. What is the radius of the circle?

Lelechka [254]

$\bf \textit{area of a circle}\\\\
A=\pi r^2\qquad 
\begin{cases}
r=radius\\
------\\
A=113.04
\end{cases}\implies 113.04=\pi r^2
\\\\\\
\cfrac{113.04}{\pi }=r^2\implies \sqrt{\cfrac{113.04}{\pi }}=r$

5 0

2 years ago

Suppose m < ABC = 110. what is m < DBC

laiz [17]

I believe the answer is A. 40.

6 0

3 years ago