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4 years ago

What is the value of the exression below 0.72/0.36*2

Mathematics

1 answer:

Alexxandr [17]4 years ago

7 0

You just divide 0.72 by 0.36 which gives you 2. then you multiply that by 2 which gives you an answer of 4

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Work out the area of this quarter circle of radius 8cm, Give you answer in terms of pi

oee [108]

Answer:

The area of the quarter circle is $16\pi\ cm^{2}$

Step-by-step explanation:

we know that

The area of a quarter circle is equal to

$A=\frac{1}{4}\pi r^{2}$

we have

$r=8\ cm$

substitute the value

$A=\frac{1}{4}\pi (8)^{2}$

$A=16\pi\ cm^{2}$

3 0

3 years ago

Factor the expression 45b+40

natali 33 [55]

Answer:

5(9b + 8)

Step-by-step explanation:

Rewrite 45 as 5 * 9

Rewrite 40 as 5 * 8

= 5 * 9b + 5 * 8

Factor out common term 5

=5 (9b + 8)

6 0

2 years ago

Read 2 more answers

ſ x - 5y = -9( 4x + 4y = - 12Step 1 of 2: Determine if the point (-4,1) lies on both of the lines in the system of equations by

Phoenix [80]

Given:

$\begin{gathered} x-5y=-9\ldots\ldots(1) \\ 4x+4y=-12\ldots\text{.}\mathrm{}(2) \end{gathered}$

The given point is (-4,1)

Let's check the ordered pair (-4,1) in the first equation

$\begin{gathered} x-5y=-9 \\ (-4)-5(1)=-9 \\ -4-5=-9 \\ -9=-9 \end{gathered}$

Hence, (-4,1) is a solution of the first equation x-5y=-9.

Now, let's check (-4,1) in the second equation.

$\begin{gathered} 4x+4y=-12 \\ 4(-4)+4(1)=-12 \\ -16+4=-12 \\ -12=-12 \end{gathered}$

So, (-4,1) is a solution of the second equation 4x+4y=-12.

Hence, (-4,1) is a solution of both equation in the system, then it is a solution to the overall system.

3 0

1 year ago

Which best explains whether point G can be the centroid?

wariber [46]

The answer is C.
Point G can be centroid because 12:6 equals 2:1

FG = 6
FC = 18
so
GC = 12

12:6 = 2:1

6 0

3 years ago

Jim, Dora, Ada, and Kim together placed a total of 60 cupcakes on a tray. Jim placed 0.45 of the cupcakes, Dora placed 10of the

Zigmanuir [339]

Jim- 60× .45= 27
Dora- 10 of the 60
Ada- 60× .25= 15
Kim- 8 remaining

Jim placed the most with 27

7 0

3 years ago

Read 2 more answers