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4 years ago

15 Points!! Hurry Help Plzz!!! Will Give Brainliest!!!

Mathematics

2 answers:

svetoff [14.1K]4 years ago

8 0

Answer:

C.

Step-by-step explanation:

I already used this example but...

Converse. Switching the hypothesis and conclusion of a conditional statement. For example, the converse of "If it is raining then the grass is wet" is "If the grass is wet then it is raining."

Note: As in the example, a proposition may be true but have a false converse.

It has to have the same meaning, but in a different format, so the only answer that follows this rule is C.

Hope this helps, have a good day. c;

Genrish500 [490]4 years ago

6 0

Heyy!!

Your answer is C because the other two answers don't make sence to me and the question asks for the positive answer and C is the only positive one there, also a and b are talking about not having the same as the other.

to sum it up the answer is C

Hope this helps!!

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Miguel made 80 on his Math test. He made 95 in last week's Math test. What is the percent of change on his scores? (Round your

storchak [24]

Answer:

15.78 %

Step-by-step explanation:

It is given that,

Miguel made 80 on his Math test. He made 95 in last week's Math test.

We need to find the percent change on his scores. It can be calculated as follows :

$\%=\dfrac{\text{original score-initial score}}{\text{original socre}}}\times 100\\\\\%=\dfrac{95-80}{95}\times 100\\\\\%=15.78\%$

So, there is a percent change of 15.78%.

4 0

3 years ago

find the volume of a solid that is generated by rotating around the indicated axis the plane region bounded by the giveb curves:

Fofino [41]

Assuming the area below the line y=0 (i.e. x>1) does NOT count, the area to be rotated is shown in the graph attached.

A. Again, using Pappus's theorem,
Area, A = (2/3)*1*(1-(-1))=4/3 (2/3 of the enclosing rectangle, or you can integrate)
Distance of centroid from axis of rotation, R = (2-0) = 2
Volume = 2 π RA = 2 π 2 * 4/3 = 16 π / 3 (approximately = 16.76 units)

B. By integration, using the washer method
Volume = $2\pi\int_{-1}^1(1-x^2)(2-x)dx$
$=2\pi\int_{-1}^1(x^3-2x^2-x+2)dx$
$=2\pi[x^4/4-2x^3/3-x^2/2+2x]_{-1}^{1}$
$=2\pi([1/4-2/3-1/2+2]-[1/4+2/3-1/2-2])$
$=2\pi(8/3)$
= 16 π /3 as before

3 0

3 years ago

Someone please help me, I’m begging! I will brainliest and everything!! 20 (points) too

Vadim26 [7]

Answer:

I dont think its accepted

Step-by-step explanation:

because 2 out of 3 groups had majority of the people opposing the proposal so I say that it's not accepted.

6 0

3 years ago

State the name of the angle

Bess [88]

The answer is C, hope this helps

6 0

3 years ago

Which point gives the vertex of ƒ(x) = –x2 + 4x – 3?

Dmitriy789 [7]

Answer:

The vertex is (2,1)

Step-by-step explanation:

ƒ(x) = –x^2 + 4x – 3

Factor out the negative

= -(x^2 -4x+3)

Factor

What 2 numbers multiply to +3 and add to -4

-3*-1 = 3

-3+-1 = -4

f(x) = -( x-3)(x-1)

Find the zeros

0 = -( x-3)(x-1)

0 = x-3 0 = x-1

x=3 x=1

The x value of the vertex is 1/2 way between the two zeros

(3+1)/2 = 4/2 =2

To find the y value, substitute x=2 in

f(2) = -( 2-3)(2-1)

=-(-1)(1) = 1

The vertex is (2,1)

4 0

3 years ago