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Katena32 [7]
3 years ago
14

2×2×9×7×9

"TexFormula1" title="2 { }^{2} + 2 \times {2}^{2} " alt="2 { }^{2} + 2 \times {2}^{2} " align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
Damm [24]3 years ago
7 0

Answer:

1. 2268.

2. 12.

Step-by-step explanation:

1. Given the mathematical expression; 2 * 2 * 9 * 7 * 9

We would simplify the expression;

2 * 2 * 9 * 7 * 9 = 4 * 81 * 7

2 * 2 * 9 * 7 * 9 = 28 * 81

2 * 2 * 9 * 7 * 9 = 2268

2. Given the mathematical expression; 2² + 2 * 2²

From BODMAS (Bracket Of Division Multiplication Addition Substraction), we would first of all multiply before performing an addition operation.

Therefore,

2² + 2 * 2² = 4 + 2 * 4  

2² + 2 * 2² = 4 + 8

2² + 2 * 2² = 12

goblinko [34]3 years ago
5 0

Answer:

1. 2268 2. 12

Step-by-step explanation:

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The cost of toner cartridges is 19.50 more than the cost of an ink cartridge. Colleen ordered 11 ink and 4 toner cartridges and
blagie [28]

Answer:

Toner = $45.00; ink = $25.50

Step-by-step explanation:

Let T = the cost of a toner cartridge and I = the cost of an ink cartridge

We have two conditions:

(1)                      T = I + 19.50

(2)           4T + 11I = 460.50     Substitute (1) into (2)

4(I + 19.50) + 11I = 460.50     Remove parentheses

 4I + 78.00 + 11I = 460.50     Combine like terms

      15 I + 78.00 = 460.50     Subtract 78.00 from each side

                    15I = 382.50      Divide each side by 15

(3)                  I = 25.50

=====

Substitute (3) into (1)

T = 25.50 + 19.50

T = 45.00

=====

<em>Check: </em>

(1)                         45.00 = 25.50 + 19.50

                           45.00 = 45.00

(2) 4×45.00 + 11×25.50 = 460.50

         180.00 + 280.50 = 460.50

                        460.50 = 460.50


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3 years ago
What is one result of meiosis?
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Ahmed collects x kilograms of recycling. Kimaya collects 2/5 more than that. Write an equation that describes the relationship b
mrs_skeptik [129]

Answer: y=2/5x

Step-by-step explanation:

Y times x 2/5 which would be the answer

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3 years ago
A city's current population is 1,000,000 people. It is growing at a rate of 3.5% per year. The equation P=1,000,000(1.035)^x mod
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To determine the number of years to reach a certain number of population, we need an equation which would relate population and the number of years. For this problem, we use the given equation:

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</span>P=1,000,000(1.035)^x
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ln 7/5 = ln 1.035^x
x = ln 7/5 / ln 1.035
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Therefore, the number of years needed to reach a population of 1400000 with a starting population of 1000000 would be approximately 10 years.
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