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Ainat [17]
2 years ago
10

Sonny deposited $8,500 in an account that earns 4% simple interest. If Sonny makes no more deposits or withdrawals, then how muc

h interest will he earn at the end of 2 years?
answer choices

a $68,00.00
b $68,000.00
c $680.00
d $9,180.00
Mathematics
2 answers:
SashulF [63]2 years ago
5 0

Answer: $680.00

Step-by-step explanation:

Principal= 8500

Rate= 4%

Time= 2 years

Interest= (Principal×Rate×Time)/100

= (8500×4×2)/100

= 68000/100

= $680

The interest is $680

dmitriy555 [2]2 years ago
5 0

Answer:

C

Step-by-step explanation:

In this question, we are tasked with calculating the simple interest on an amount of money that was saved for two years.

Mathematically, simple interest can be calculated using the formula;

I = PRT/100

Where I is the amount of interest earned which we are trying to calculate

P is the principal which is the amount saved originally which is $8,500

R is the rate which is 4%

T is the time taken which is 2 years

Plugging these values, we have;

I = (8500 * 4 * 2)/100 = 68000/100 = $680

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Ruben has two congruent wooden dowels. He cuts one dowel in two in order to have three pieces to make a triangle. Explain why, d
e-lub [12.9K]
Let us use the Pythagorean theorem in identifying what triangle can be formed.

Let us assume that the 2 wooden dowels each measure 8 inches. We cut off one wooden dowel into half, so it becomes 2 pcs of 4 inches each.

The 3 wooden dowels now measure, 4 inches, 4 inches, and 8 inches. 

The Pythagorean theorem states: 

a² + b² = c²
4² + 4² = 8²
16 + 16 = 64
34 ≠ 64

The measure of the cut wooden dowel must be longer than the uncut wooden dowel to create a triangle. 

I also tried this on a piece of paper, I cut each piece according to the assumed measure. No triangle can be formed under this activity. 
4 0
2 years ago
Read 2 more answers
A local park is adding a new 14 ft long slide to the playground. The vertical height of the slide is h. The
Nadusha1986 [10]
A.
   h = 14 ft · sin 30° = 14 ft · 0.5 = 7 ft.
b.
   From the bottom of the height to the bottom of the slide:
   y² = 14² - 7² = 196 - 49 = 147
   y = √147 = 12.12 ft
   15 ft - 12.12 ft = 2.88 ft ( from the bottom of the stairs to the bottom of the height )
    tan x = 7 / 2.88 = 2.43
    ∠x = tan^(-1) 2.43
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8 0
2 years ago
4C stands for twice Cathy's age.
Setler79 [48]
Well I think it is 8 because if you say 4C is Cathy then 4x2=8. Because twice means 2. So take 4 and multiply 2 and you get 8.

I hope this helped you!

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4 0
2 years ago
OABC is a tetrahedron and OA=a, OB=b, and OC=c. The point P and Q are such that OA =AP and 2OB = BQ. The point M is a midpoint o
kondaur [170]

Given

.OABC is a tetrahedron

OA=a, OB=b, and OC=c.

point P and Q are such that OA =AP and 2OB = BQ

point M is a midpoint of PQ.

Find AB ,PQ, CQ ,QM ,MB ,OM in terms of a, b, and c.

To proof

we proof this by using the Triangle law of vector addition

when two vectors are represented by two sides of a triangle in magnitude and direction taken in same order then third side of the third side of that triangle represents in magnitude and direction the resultant of the vectors.

by using the diagram as shown below

 \vec{OA}=\vec{a}, \vec{OB}=\vec{b}\\\vec{OP}=2\vec{a},\vec{OQ}=3\vec{b}

\vec{OA}+\vec{AB}=\vec{OB}\\\vec{AB}=\vec{b}-\vec{a}

\vec{OP}+\vec{PQ}=\vec{OQ}\\\vec{PQ}=3\vec{b}-2\vec{a}

\vec{OC}+\vec{CQ}=\vec{OQ}\\\vec{CQ}=3\vec{b}-2\vec{c}\\\vec{QM}=-\frac{1}{2}\vec{PQ}\\

\vec{QM}=\vec{a}-\frac{3}{2}\vec{b}\\\vec{OM}=\vec{OQ}+\vec{QM}

\vec{OM}=\vec{a}+\frac{3}{2}\vec{b}\\\vec{MB}=-\vec{a}-\frac{1}{2}\vec{b}

hence proved




     



6 0
1 year ago
The following is an incomplete flowchart proving that the opposite angles of parallelogram JKLM are congruent:
ratelena [41]

Answer:∠JML ≅ ∠QJM

Alternate Interior Angles Theorem      

Step-by-step explanation:

Here, Given: JKML is a parallelogram,

That is, JK ║ ML and JM ║ KL

Prove: ∠ MLK ≅ ∠ KJM and ∠ JML ≅ ∠ LKJ

Extend segment JM beyond point  and draw point P (Construction)

∠ MLK ≅ ∠ PML                           ( Alternate Interior Angles Theorem)

∠ PML ≅ ∠KJM                             (  Corresponding Angles Theorem )

⇒ ∠ MLK ≅ ∠ KJM                        ( By transitive property of equality )

Extend segment JK beyond point J and draw point Q, by Construction.

∠JML ≅ ∠QJM                              ( Alternate Interior Angles Theorem)

∠ QJM ≅ ∠ LKJ                            (  Corresponding Angles Theorem )

⇒ ∠JML ≅ ∠ LKJ                          ( By transitive property of equality )

Thus, the opposite angles of parallelogram JKLM are congruent.


8 0
2 years ago
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