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Fynjy0 [20]
3 years ago
7

Melissa made 45 greeting cards.she put them is 5 equal piles.How many cards did she put in each pile

Mathematics
2 answers:
guajiro [1.7K]3 years ago
5 0
The answer is 9 since 45 divided by 5 is equal to 9
Ivanshal [37]3 years ago
3 0

Answer:

she put 9 cars in each pile since 9times 5 equals 45.

Step-by-step explanation:

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Triangle PQR is transformed to triangle P'Q'R'. Triangle PQR has vertices P(3, −6), Q(0, 9), and R(−3, 0). Triangle P'Q'R' has v
Serggg [28]

Step-by-step explanation:

that's for Part B

Part C: triangles PQR and P"Q"R" are not congruent since the corresponding sides are not equal

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3 years ago
An isosceles triangle has two sides of equal length, a, and a base, b. The perimeter of the triangle is 15.7 inches, so the equa
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Please inform me if I am wrong

7 0
3 years ago
Find a and b so that f(x) = x^3 + ax^2 + b will have a critical point at (2,3).
Digiron [165]

Using the critical point concept, it is found that a = -3 and b = 7.

<h3>What are the critical points of a function?</h3>
  • The critical points of a function are the values of x for which:

f^{\prime}(x) = 0

In this problem, the function is:

f(x) = x^3 + ax^2 + b

Hence, the derivative is:

f^{\prime}(x) = 3x^2 + 2ax

Then:

f^{\prime}(x) = 0

3x^2 + 2ax = 0

x(3x + 2a) = 0

x = 0

3x + 2a = 0

3x = -2a

x = -\frac{2a}{3}

Since the critical point is at x = 2, we have that:

-\frac{2a}{3} = 2

-2a = 6

2a = -6

a = -3

Then:

f(x) = x^3 - 3x^2 + b

Critical point at (2,3) means that when x = 2, y = 3, then:

3 = 2^3 - 3(2)^2 + b

8 - 12 + b = 3

b = 7

You can learn more about the critical point concept at brainly.com/question/2256078

4 0
2 years ago
Evaluate for the given value of the variable y x 6 for y =2/3
yaroslaw [1]
2/3 * 6= 4 Or .66 * 6 = 3.999 etc Rounded Is 4
8 0
3 years ago
Simplify <br> 10g + 8g - 5g
hichkok12 [17]

Answer:

13g

Step-by-step explanation:

10g + 8g = 18g

18g - 5g = 13g

7 0
3 years ago
Read 2 more answers
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