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Katyanochek1 [597]
3 years ago
13

Noah bought 15 baseball cards for $9.00. Assuming that each baseball card costs the same amount, answer the following questions.

How much will 30 baseball cards cost?
Mathematics
1 answer:
STatiana [176]3 years ago
5 0

Answer:

270 dollars

Step-by-step explanation:

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Which pair of ratios form a proportion?
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You can simplify this.
Divide the first part by 2.
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Choose the expression which represents the simplest form of (-4x2)
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Step-by-step explanation:

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8 0
2 years ago
Please help <br>factories 2 - 50x^2​
denpristay [2]

Answer:

2[(1 + 5x) (1 - 5x)]

Step-by-step explanation:

Given:

Expression

2 - 50x²

Find:

Factorization of the given expression

Computation:

2 - 50x²

By taking 2 as common

⇒ 2[1 - 25x²]

⇒ 2[(1)² - (5x)²]

We know that;

⇒ a² - b² = (a + b)(a - b)

In given expression;

⇒ a = 1

⇒ b = 5x

⇒ 2[(1)² - (5x)²]

2[(1 + 5x) (1 - 5x)]

Factorization of the given expression

2[(1 + 5x) (1 - 5x)]

3 0
3 years ago
during a hot summer week the water level in wei's pool decreased by 1.9 centimeters. wei added water to the pool increasing the
tangare [24]
First week : -1.9 + 3.5 = 1.6
2nd week : -2.4

original water level had an increase of 1.6 inches
new water level has a decrease of -2.4 inches
7 0
3 years ago
Read 2 more answers
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