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lubasha [3.4K]
3 years ago
5

Solve the following equation. Show your work. x 2 - 4 = 0

Mathematics
1 answer:
n200080 [17]3 years ago
4 0

Answer:

-4 sorry if not right i had this question before

Step-by-step explanation:

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Kristi invests $3,000 at a 7.25% annual simple interest rate, and her sister Kari invests $3,200 at a 6.25% annual simple intere
True [87]

Answer:

Kristi

Step-by-step explanation:

The formula for Simple Interest =

Principal × Rate × Time

For Kristi

Kristi invests $3,000 at a 7.25% annual simple interest rate,

Principal = $3000

Rate = 7.25% = 0.0725

Time = 1

Simple interest = $3000 × 0.0725 × 1

= $217.5

For Kari

Her sister Kari invests $3,200 at a 6.25% annual simple interest rate.

Principal = $3200

Rate = 6.25% = 0.0625

Time = 1

Simple interest = $3200 × 0.0625 × 1

= $200

From the above calculation, we can see that: Kristi will earn the greater amount of interest after one year

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3 years ago
During the spring, when the snow and ice melt in the Inka Binka Mountains, it causes the Habooka River to rise. If the river ris
stepladder [879]

Answer:

6 centimeters per day

Step-by-step explanation:

Since there are 7 days in one week, 42 cm divided by 7 days will equal to the answer 6 centimeters per day.

5 0
2 years ago
1/(cot^2 (x)) - 1/(cos^2 (x))
Airida [17]

Step-by-step explanation:

1 is your answer its law of trig identises

5 0
3 years ago
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Which statement can be used to prove that a given parallelogram is a rectangle?
RSB [31]

The <em>correct answer</em> is:


The diagonals of the parallelogram are congruent.


Explanation:


In every parallelogram, opposite angles are congruent. This would not mean it is a rectangle.


Consecutive sides of a parallelogram are only congruent if the parallelogram is a rhombus or a square; this would not be a rectangle.


The diagonals of every parallelogram bisect each other. This would not mean it is a rectangle.


The diagonals of a rectangle bisect each other. If we know this is true about our parallelogram, this means our parallelogram is a rectangle.

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3 years ago
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Sin230° = _____<br><br> -sin50°<br> sin50°<br> sin130°
likoan [24]
Sin230=sin(180+50)=sin180cos50+cos180sin50=-sin50 answer 1
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3 years ago
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