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sineoko [7]
2 years ago
13

Find the value of p(7, 4)​

Mathematics
1 answer:
Olegator [25]2 years ago
3 0

Answer:

P(7,4)= 840

Step-by-step explanation:

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You bought a magazine for $5 and four erasers. You spent a total of $25. How much did each eraser cost?
Delvig [45]

you bought a magazine for $5 and four erasers. you spent a total of $25.

Magazine cost: 5$ each

Eraser cost: X$ each

Total cost is the number of items (1 magazine) times the cost of each item (5$). We don't know the cost of each eraser, so we represent that using a variable, X.

1(5) + 4(X) = 25

5 + 4X = 25

subtract 5 from both sides

4X = 25 - 5

4X = 20

divide both sides by 4

X = 20/4

X = 5

Each eraser cost 5$

5 0
4 years ago
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42 + 8x for x = 3<br> Please Help
WINSTONCH [101]

Answer:

66

Step-by-step explanation:

42+8x

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3 years ago
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Write an expression equivalent to<br> b10/b5<br> in the form bm.
natka813 [3]

Answer: M equals 7. So it would be b^7. When you multiply exponents you add them. When you divided them you subtract

Step-by-step explanation:

8 0
3 years ago
you placed a 13.2% down payment on a new home. given that the amount of the down payment was $25,623.10, determine the price of
artcher [175]
13.2% of what is 25,623.10

0.132x = 25,623.10
x = 25,623.10 / 0.132
x = 194114.39 <==
5 0
4 years ago
a rectangular ponds refectuons in a part is 16 feet long. The maintenance crew placed a string of flags 20 feet long across the
frosja888 [35]

Answer:

width = 12 ft

Step-by-step explanation:

Given the figure of the pond and the fact that the corners form a right triangle that is across from the string of flags, you can use the Pythagorean Theorem to solve for the width of the triangle that is formed by the flags:

a² + b² = c², where 'a' and 'b' represent the legs of the triangle and 'c' represents the diagonal or hypotenuse.  Using 16 for 'a' and 20 for 'c':

16² + b² = 20²

256 + b² = 400

Subtract 256 from both sides: 256 - 256 + b² = 400 - 256 or b² = 144

Take the square root of both sides:  √b² = √144  or b = 12 ft

6 0
4 years ago
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