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mojhsa [17]
3 years ago
12

Write a real world problem that you could represent with the equation 20 - n = 4. Solve the equation to find the answer to your

problem
Mathematics
2 answers:
Oxana [17]3 years ago
8 0

Answer:

David has 20 baseball cards, he sells N cards and now he only has 4 cards. how many cards did David sell?

20-4=16

David sold 16 baseball cards.

larisa [96]3 years ago
6 0

Answer:

I used 16 out of my 20 dollars to buy some chips at the cvs now I only have 4 dollars to spare.

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What is the volume of the triangular prism?<br> A) 90,000 cm<br> B) 180,000 cm<br> C) 360,000 cm
SOVA2 [1]

Answer:

C) 360,000cm

Step-by-step explanation:

50x 40x 1.8 = 360,000

4 0
3 years ago
The mean height of 10 girls is 154cm. The mean height of 8 boys is 162cm. What is the mean height of the class?
olganol [36]

Answer:

158cm

Step-by-step explanation:

154+162=316

316/2=158

8 0
3 years ago
PLEASE HALP I GIVE OUT BRAINLIEST
jekas [21]

Since there is two negative signs in the original equation, you need two negative signs in the equivalent one as well.

Because one of the negatives if before the fraction, it doesn't matter if the second negative is on the 13 or on the 12.

The answer is A.

4 0
3 years ago
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What is 18 divided by 2
nevsk [136]
When 18 is divided by 2 the result is 9.
As in

18/2 = 9
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3 years ago
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XYZ has coordinates X(2, 3), Y(1,4), and Z(8,9). A translation maps X to X'(4,7). What are the coordinates for Y' and Z' for thi
Rashid [163]

Answer:

The coordinates are Y'(x,y) = (3, 8) and Z'(x,y) = (10, 13).

Step-by-step explanation:

First, we have to derive an expression for translation under the assumption that each point of XYZ experiments the same translation. Vectorially speaking, translation from X to X' is defined by:

X'(x,y) = X(x,y) + T(x,y) (1)

Where T(x,y) is the vector translation.

If we know that X(x,y) = (2,3) and X'(x,y) = (4,7), then the vector translation is:

T(x,y) = X'(x,y)-X(x,y)

T(x,y) = (4,7) - (2,3)

T(x,y) = (2, 4)

Then, we determine the coordinates for Y' and Z':

Y'(x,y) = Y(x,y) + T(x,y)

Y'(x,y) = (1,4) + (2,4)

Y'(x,y) = (3, 8)

Z'(x,y) = Z(x,y) + T(x,y)

Z'(x,y) =(8,9) + (2,4)

Z'(x,y) = (10, 13)

The coordinates are Y'(x,y) = (3, 8) and Z'(x,y) = (10, 13).

7 0
3 years ago
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