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Olegator [25]
3 years ago
14

What can we conclude? please answer asap

Mathematics
1 answer:
Pani-rosa [81]3 years ago
6 0

Answer:

B

Step-by-step explanation:

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What is 12.25 as a fraction
Finger [1]

Answer:

\large\boxed{12.25=\dfrac{49}{4}}

Step-by-step explanation:

12.\underbrace{25}_{2}=\dfrac{1225}{1\underbrace{00}_2}=\dfrac{1225:25}{100:25}=\dfrac{49}{4}\\\\12.25=12+0.25=12+\dfrac{25}{100}=12+\dfrac{25:25}{100:25}=12+\dfrac{1}{4}\\\\=\dfrac{12\cdot4}{4}+\dfrac{1}{4}=\dfrac{48+1}{4}=\dfrac{49}{4}

8 0
3 years ago
In the diagram, AC =BD.<br><br> A.true<br> B.false
nikdorinn [45]

Answer:

B.False

Step-by-step explanation:

Because it built different

4 0
3 years ago
What is the only unknown (variable) needed to find the volume of a sphere?
yuradex [85]

Sphere

The radius of the sphere is the only unknown variable need to find the volume of a sphere.

Step-by-step explanation:

Sphere is a geometrical three dimensional round figure with every point on its surface equidistant from its center. It is a three dimensional representation of a circle. A line which connects from the center to the surface is called radius of the sphere.The diameter of the sphere is the longest straight line which passes through the center of the sphere.

The volume of sphere is given by:

Volume of sphere(V) = \frac{4}{3}\pi r^{3} \\

where V is the volume of the sphere

r is the radius of the sphere

\pi = \frac{22}{7}  = 3.14

Hence the only unknown variable to find the volume of a sphere is the radius.

5 0
3 years ago
I’m not good at math can someone please help me with this .
Salsk061 [2.6K]

Answer:

Please like this i need pointgs

Step-by-step explanation:

the add 229129802032s3 9230

3 0
3 years ago
Paulo's economics course requires two papers ? ?one long and one short ? ?throughout the semester. The number of pages, l l, in
mixer [17]

Answer:

27 pages.

Step-by-step explanation:

Let l be the number of pages in the long paper and s be the number of pages in the short paper.

We have been given that the total number of pages for both papers is 40. We can represent this information in an equation as:

l+s=40...(1)

We are also told that the number of pages in the long paper is one more than two times the number of pages in the short paper. We can represent this information in an equation as:

l=2s+1...(2)

We will use substitution method to solve system of linear equations.

From equation (1) we will get,

s=40-l

Upon substituting this value in equation (2) we will get,

l=2(40-l)+1

l=80-2l+1

Upon adding 2l to both sides of our equation we will get,

l+2l=80-2l+2l+1

l+2l=80+1

3l=81

Let us divide both sides of our equation by 3 we will get,

\frac{3l}{3}=\frac{81}{3}

l=27

Therefore, there must be 27 pages in the long paper.

8 0
3 years ago
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