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3 years ago

Billy puts $4900 in a bank that pays 6% annually.

Mathematics

1 answer:

Maru [420]3 years ago

6 0

If it's adding to the 4,900 in the bank just add the numbers to 4,900.

After 4 years. 1,176.

Year 1: 294

Year 2: 588

Year 3: 882

Year 4: 1176

Year 5: 1470

Year 6: 1764

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If m = (3x-1) and n = (3x+1),sjow that x² = mn+1 by 9

aalyn [17]

Step-by-step explanation:

${x}^{2} = \frac{mn + 1}{9}$

$(3x - 1)(3x + 1)$

$9 {x}^{2} - 1$

${x}^{2} = \frac{9 {x}^{2 } - 1 + 1 } {9}$

${x}^{2} = \frac{9 {x}^{2} }{9}$

${x}^{2} = {x}^{2}$

So this identity is true.

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3 years ago

3 quarts of maple syrup cost $19.47. How much do 3 gallons of maple syrup cost?

Murljashka [212]

Answer:

$ 77.88

Step-by-step explanation:

1 Gallon = 4 Quarts

3 Gallons = 3*4=12 Quarts

thus (19.47/3)*12 =$ 77.88 (we know 3 quarts cost $19.47, so divide by 3 and multiply by 12 gives the result.

8 0

3 years ago

The temperature went from -12°F to 18°F. How much did the temperature change

vlada-n [284]

Answer:

18 - (-12)

Step-by-step explanation:

Final temp. - Initial temp. = the change in temperature

By -12, we're indicating that is below zero (which is obvious) meaning that it is not in the "normal" scale nor in the imaginary scale of numbers. So, we can operate the following...

18 - (-12) = 30

So the temperature changed by 30 values or the temperature increased by 30 values, because the number is positive.

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3 years ago

Eriko cuts out a paper quadrilateral with two angles that each measure 60° and two angles that each measure 120°. Only two of th

Whitepunk [10]

Answer:

The quadrilateral is Parallelogram.

Step-by-step explanation:

A quadrilateral is a four-sided regular polygon.

A parallelogram is a quadrilateral.

The opposite sides of a parallelogram are parallel and equal in length.

The opposite angles of a parallelogram are also equal.

In this case the quadrilateral is defined as follows:

two angles that each measure 60°
two angles that each measure 120°
Only two of the sides have a length of 3.2 inches.

Consider the quadrilateral ABCD below.

The quadrilateral ABCD is Parallelogram.

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3 years ago

Fill in the blanks to complete the description of the track. The track has ____ sides of the square and the distance around ____

rjkz [21]

Answer:

Step-by-step explanation:

The track has four sides of the square and the distance around 2 complete circle(s)

8 0

3 years ago