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Anestetic [448]
3 years ago
15

Hi all, please help me with this problem(It's Algebraic Expression's!)I suck in maths :/​

Mathematics
1 answer:
ElenaW [278]3 years ago
8 0

Answer:

3rd side = 2x + 6y

Step-by-step explanation:

<><><><><><><><><><><><><><><><><><>

See The Attachment My Friend.....

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If you're starting salary is 40,000 and you receive a 3% increase at the end of every year what is the total amount in dollars y
storchak [24]
\bf \qquad \textit{Amount for Exponential Growth}\\\\&#10;A=I(1 + r)^t\qquad &#10;\begin{cases}&#10;A=\textit{accumulated amount}\\&#10;I=\textit{initial amount}\to &40000\\&#10;r=rate\to 3\%\to \frac{3}{100}\to &0.03\\&#10;t=\textit{elapsed time}\to &15\\&#10;\end{cases}&#10;\\\\\\&#10;A=40000(1+0.03)^{16}\implies A=40000(1.03)^{16}
7 0
3 years ago
Quadrilateral ABCD is inscribed in a circle with angle measures m∠A = (11x − 8)°, m∠B = (3x2 + 1)°, m∠C = (15x + 32)°, and m∠D =
dimulka [17.4K]

Answer:

No for all of the 4 values

Step-by-step explanation:

The sum of the internal angles of a quadrilateral is always 360°, so we have that:

m∠A + m∠B + m∠C + m∠D = 360

11x - 8 + 3x2 + 1 + 15x + 32 + 2x2 - 1 = 360

5x2 + 26x - 320 = 0

Solving the quadratic function using Bhaskara's formula, we have:

Delta = 26^2 + 4*5*320 = 7076

sqrt(Delta) = 84.12

x1 = (-26 + 84.12)/10 = 5.81

x2 = (-26 - 84.12)/10 = -11.01 (this value will generate negative angles, so it is not valid).

Now, finding the angles, we have:

m∠A = 11*5.81 - 8 = 55.91°

m∠B = 3*(5.81)^2 + 1 = 102.27­°

m∠C = 15*5.81 + 32 = 119.15°

m∠D = 2*(5.81)^2 - 1 = 66.51°

As all these values are different from the values shown, the answer is No for all of them.

8 0
3 years ago
A northbound bus returns to the bus stop every 20 minutes. The southbound bus returns to the bus stop every 25 minutes.How long
Klio2033 [76]
They  stop at the  same time after 4  times for  the southbound bus to return and five times for the northbound bus returns to the bus stop
 
8 0
3 years ago
Read 2 more answers
10 Points + brainliest.<br> 7a + 50 = 247
Oliga [24]

Answer:

a = 28.14 (Estimated)

Step-by-step explanation:

7a + 50 = 247

=> 7a = 197

=> a = 28.1428571429 (Using Calculator)

=> a = 28.14 (Estimated)

Hoped this helped.

4 0
3 years ago
Read 2 more answers
2. Find the compound interest on Rs.25, 000 after 2 years compounded
Allushta [10]

Answer:25,000 in 2 years at annual compound interest, if the rates for the successive years be 4% and 5% per annum respectively is: (1) Rs. 30,000 (2) Rs. 26,800 fa) Rs.

A=P[1+  

100

r

​  

]  

n

 

⇒  A=Rs.25,000×(  

100

106

​  

)  

3

 

⇒  25,000×  

50

53

​  

×  

50

53

​  

×  

50

53

​  

 

⇒  A=Rs.29,775.40

⇒  CI=A−P

⇒  Rs.29,775.40−Rs.25,000

∴   CompoundInterest=Rs.4775.40.

6 0
3 years ago
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