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aksik [14]
3 years ago
6

Mclane is playing a game where you get 5 points for correct answers and lose 3 points for incorrect answers. If he gets 6 questi

ons correct and 7 questions incorrect, what was his final score?
Mathematics
1 answer:
s2008m [1.1K]3 years ago
5 0

Answer:

9

Step-by-step explanation:

final score = total points for correct answer - total points for wrong answer

total points for correct answer = 5 x 6 = 30

total points for wrong answer = 7 x 3 = 21

30 - 21 = 9 points

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If the height of a rectangular prism is doubled, what effect does that have on the volume?
jasenka [17]

Answer:

The new volume is two times the original volume

Step-by-step explanation:

we know that

The volume of a rectangular prism

V=BH

where

B is the area of the base

H is the height of the prism

If the height of a rectangular prism is doubled,

then

The new volume is equal to

V=B(2H)

V=2BH

therefore

The new volume is two times the original volume

3 0
3 years ago
What is 11/12 divided by 1/3
Elena-2011 [213]

2.75 hope this helps

4 0
3 years ago
Read 2 more answers
Write and equation of the translated or rotated graph in general form (picture below)
Svetlanka [38]

Answer:

Option b

Step-by-step explanation:

The equation 4x ^ 2 + 5y ^ 2 = 20 has center in (0,0).

But the transformation T(5, -6) shifts the center of the equation to the point (5, -6).

Therefore, when applying T(5, -6) we will have the following equation translated.

4(x-5) ^ 2 + 5(y - (-6)) ^ 2 = 20.

Simplifying we have:

4(x-5) ^ 2 + 5(y + 6) ^ 2 = 20

Now we expand (x-5) ^ 2 and (y + 6) ^ 2

4(x ^ 2 -10x +25) + 5(y ^ 2 + 12y +36) = 20\\\\4x ^ 2 -40x + 100 + 5y ^ 2 + 60y + 180 = 20\\\\4x ^ 2 + 5y ^ 2 -40x + 60y +260 = 0

The equation of a circle has the form

h(x-a) ^ 2 + q(y-b) ^ 2 = r

For h = 1 and q = 1.

If h \neq 1 and q\neq 1 then the graph becomes an ellipse.

In this problem h = 4 and q = 5 therefore the figure is an ellipse

3 0
3 years ago
12. A fruit basket contains oranges and grapefruits. One-third of the orange
frosja888 [35]

Answer:

There were 12 + 28 = 40 pieces of fruit in the basket.

Step-by-step explanation:

Suppose there were x oranges and y grapefruit.

Then we have

1 /3 x =  4

x = 4*3 = 12.

1/4 y = 7

y = 7*4 = 28.

5 0
4 years ago
Danny keeps five cards with the picture of a cat and six cards with the picture of a dog on a table face down, so the pictures a
Trava [24]
Total cards with cat = 5
Total cards with dog = 6
Total cards = 5 + 6 = 11

He removed a card with dog.
Total cards with dog = 6 - 1 = 5
Total number of cards = 11 - 1 = 10

P(dog) = 5/10 (Answer C)

7 0
3 years ago
Read 2 more answers
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