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barxatty [35]
3 years ago
14

Mr. Juarez opened a savings account with an initial deposit of $560 and will not make any additional deposits or withdrawals. Th

e account earns 1% simple interest. What is the total amount that Mr. Juarez will have in his account at the end of 3 years?
Mathematics
1 answer:
olga_2 [115]3 years ago
5 0

Answer:

$576.80

Step-by-step explanation:

We have been given that Mr. Juárez opened a savings account with an initial deposit of $560 and will not make any additional deposits or withdrawals. The account earns 1% simple interest.

We are asked to find the total amount that Mr. Juárez will have in his account at the end of 3 years.

We will use simple interest formula to solve our given problem.

A=P (1+rt)

A = Final amount after t years,

P = Principal amount,

r = Annual interest rate in decimal form,

t = Time in years.

Let us convert 1% into decimal form,

1%=1/100=0.01

P=$560 and t=3

A=$560 (1+0.01(3))

A=$560 (1+0.03)

A= $560 (1.03)

A= $576.80

Therefore, Mr. Juárez will have $576. 80 in his account at the end of 3 years. Hope this helps!

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The sum of the squares of three consecutive integers is 50. Find the integers. (Hint: If one integer is x, the next consecutive
Agata [3.3K]

Answer:

There's two answers.

-5, -4, and -3

3, 4, 5

Step-by-step explanation:

x^{2} +(x+1)^{2} +(x+2)^{2} =50\\x^{2} +x^{2} +2x+1+x^{2} +4x+4=50\\3x^{2} +6x+5=50\\3x^{2} +6x-45=0\\3(x^{2} +2x-15)=0\\(x+5)(x-3)=0\\x = -5\\x = 3\\

3 0
3 years ago
Help me please!!!!!!!!
xxTIMURxx [149]

Answer:

1. 2=180-90

=90

1=180-(90+72)

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2. 180-(40+55)

180-95

85

5 0
3 years ago
In △ABC AL is an angle bisector (L∈ BC ). Point M∈ AB so that LM=AM=BM. Find the angles in △ABC, if AC=2AL.
Diano4ka-milaya [45]

If AM=BM, then point M is a middle point of side AB.

1. Consider triangle AML. You know that AM=ML, then this triangle is isosceles and AL is its base. The angles adjacent to the base of isosceles triangle are conruent, this means that \angle MAK\cong \angle AML.

2. Consider lines ML and AC. The angle bisector AL is transversal. Since alternate interior angles \angle MAK\cong \angle AML, you have that lines ML and AC are parallel. This means that ML is a middle line of triangle and 2ML=AC. Also you know that AC=2AL. This gives you that ML=AL. Now ML=AL and ML=AM gives you that triangle AML is equilateral.

3. In equilateral triangle AML all angles are congruent and have measures 60°. Thus, m∠AML=m∠MLA=m∠LAM=60°.

4. AL is angle bisector, then m∠MAL=m∠LAC=60° and m∠BAC=m∠MAL+m∠LAC=120°.

5. Consider ΔBML, it is isosceles, because BM=ML and m∠BML=180°-m∠AML=180°-60°=120°. Then,

m\angle MBL=m\angle MLB=\dfrac{180^{\circ}-120^{\circ}}{2}=30^{\circ}.

6. Consider triangle ABC. In this triangle m∠A=120°, m∠B=30°, then

m∠C=180°-m∠A-m∠B=180°-120°-30°=30°.

Answer: m∠A=120°, m∠B=m∠C=30°.

3 0
3 years ago
Given that ΔABC and ΔA'B'C' are similar right triangles that share the same slope, m, on the coordinate plane. Find the equation
Oksana_A [137]

Answer:

y=\frac{2}{3}x

Step-by-step explanation:

The similar triangles are drawn in the figure attached.

As shown in the figure, the smaller triangle ΔABC, and the larger triangle ΔA'B'C' share the same slope; therefore, the slope of the hypotenuse is the length of the triangle ΔA'B'C' divided by its base:

m=\dfrac{rise}{run} =\dfrac{height}{base}= \dfrac{4}{6}=\dfrac{2}{3}  \\\\ \boxed{m= \frac{2}{3}}

Therefore, the equation of the hypotenuse is

\boxed{y=\dfrac{2}{3} x}

6 0
3 years ago
Christina has 50 coins consisting of quarters and dimes. The coins combined value is $9.50. Write a system of equation to determ
Doss [256]

Answer:

Christina has 30 quarters and 20 dimes.

Step-by-step explanation:

Given that a quarter is worth 0.25 dollars and a dime is worth 0.10 dollars, if Christina has 50 coins and these add up to a total of $ 9.50, to determine the number of quarters and dimes that she has in her possession, the following calculation must be carried out, taking into account that the difference between a quarter and a dime is 0.15 dollars:

50 x 0.25 = 12.5

12.5 - 9.5 = 3

Thus, the difference between the value that Christina has and the value that she would have if all of her coins were quarters is 3 dollars. Thus, since 0.15 x 20 equals 3, of the 50 coins Christina has, 30 are quarters and 20 are dimes.

This is confirmed through the following equation:

30 x 0.25 + 20 x 0.1 = X

7.5 + 2 = X

9.5 = X

4 0
3 years ago
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