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kramer
2 years ago
10

2 × (5 + 5) Which of the following describes (5 + 5) in the expression above?

Mathematics
2 answers:
Basile [38]2 years ago
7 0

Answer:

20

Step-by-step explanation:

devlian [24]2 years ago
3 0

the answer your looking for is 20

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The fish population of a lake is decreasing each year. A study is conducted. But, unfortunately some data was lost. The research
Solnce55 [7]

Answer:

F(t) = 18000(0.6666)^{t}

Step-by-step explanation:

The fish population after t years can be modeled by the following equation:

F(t) = F(0)(1-r)^{t}

In which F(0) is the initial population and r is the constant rate of decay.

Year one the fish population was 18000

This means that F(0) = 18000

In year three the fish population was 8000 fish.

Two years later, so F(2) = 8000

F(t) = F(0)(1-r)^{t}

8000 = 18000(1-r)^{2}

(1-r)^{2} = 0.4444

\sqrt{(1-r)^{2}} = \sqrt{0.4444}

1 - r = 0.6666

r = 0.3334

So

F(t) = 18000(0.6666)^{t}

4 0
3 years ago
Find the factorization of the polynomial below.
Marina CMI [18]
Using slip and slide
2x^2+7x+6
x^2+7x+12
(x+3)(x+4)
(2x+3)(x+2)
The best answer is none of the above.
When foiling the answer choices,
A: 2x^2+10x+8
B: 2x^2+8x+6
C: 2x^2+5x+3
D: 4x^2+10x+6
3 0
2 years ago
Write the following number in expanded and word form 5,325,603.712
creativ13 [48]
Expanded:5,000,000+300,000+20,000+5,000+600+3+0.7+0.01+0.002

Word: five million, three hundred twenty-five thousand, six hundred three and seven hundred twelve thousandths
8 0
3 years ago
Find the measure of each missing angle , and state the angle relationship I used
Delvig [45]
(4x+28)+(x+19)+(3x+13)=180
8x+60=180( combine like terms)
8x+60-60= 180-60
8x=120
8/8x=120/8
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The missing angles are 88°, 34° and 58°
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3 years ago
Name a quadrilateral with exactly two pairs of congruent angles.
Inessa [10]

parallogram it has exactly 2 pairs of congruent angles

7 0
3 years ago
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