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Leto [7]
3 years ago
9

Tim bought five new baseball trading cards to add to his collection. The next

Mathematics
2 answers:
Nastasia [14]3 years ago
6 0
48 cards to start with
OLEGan [10]3 years ago
5 0

Answer:

43 cards   i hope this helps!   :)

Step-by-step explanation:

24 * 2 = 48

48 - 5 = 43

he had 43 to begin with. got the 5 to get 48. then his dog ate half 48 / 2 = 24

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Multiply: (5x − 2)(4x2 − 3x − 2)?
Ronch [10]

Answer:

-140

Step-by-step explanation:

Are thoses X's multiplication

6 0
3 years ago
How do you factor the trinomial 3x^2+18x-21?
snow_lady [41]

Answer:

(3)(x+7)(x-1)

Step-by-step explanation:

3x^2+18x-21

Let's start by taking 3 out of the equation.

3(x^2+6x-7)

Now, when we factor, we need to find two numbers that add up to 6 and multiply to -7.

The numbers would be 7 and -1.

So the factored form of this would be:

(3)(x+7)(x-1)

7 0
3 years ago
Find the missing exponent in each expression
Naily [24]

Answer:

See below.

Step-by-step explanation:

Multiplying terms with exponents make the exponents add together.

13.) x² · x⁵ = x⁷

14.) b⁵ ·  b³ = b⁸

15.) y⁴ · y⁷ = y¹¹

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8 0
3 years ago
Which of the following correlation coefficients would represent the strongest correlation? -0.9 -0.16 0.04 .78
kolezko [41]

Answer:

0.4 would represent the strongest correlation.

Step-by-step explanation:

Generally, a value of r greater than 0.7 is considered a strong correlation. Anything between 0.5 and 0.7 is a moderate correlation, and anything less than 0.4 is considered a weak or no correlation

8 0
3 years ago
The sum of two numbers is 22. The difference is 6. What are the two numbers?
algol [13]

Answer:

Numbers are 14 and 8

Step-by-step explanation:

Let the 2 numbers be x and y.

Write 2 equations:

x + y = 22

x - y = 6

Solve by substitution:

x - y = 6

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Plug into the other equation:

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Plug into either equation:

x + 8 = 22

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Numbers are 14 and 8

7 0
3 years ago
Read 2 more answers
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