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LekaFEV [45]
3 years ago
15

(2a+4b) and (2a-7b) multiply the expression​

Mathematics
2 answers:
Svet_ta [14]3 years ago
5 0
I think it'd be 4a-3b
Soloha48 [4]3 years ago
4 0
(2a+4b)(2a-7b)=
2a(2a-7b)+4b(2a-7b)=
4a^2-14ab+8ab-28b^2=
4a^2-6ab-28b^2
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Jordan invested $800 in a savings account. The interest rate is 6% per year. Find the simple interest earned in 3 years. Then fi
ExtremeBDS [4]

Answer:

$944

Step-by-step explanation:

<h3>Interest=principle*rate*time (in years)</h3><h3>I=prt</h3>

<em>Principle=800</em>

<em>Rate=0.06 (6%)</em>

<em>Time=3</em>

<em>800*0.06*3= 144</em>

Total

Principle+Interest= Total

800+144=944

7 0
3 years ago
Voltage-divider bias provide​
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Step-by-step explanation:

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5 0
3 years ago
If someone can please do the check for me, please.
Kaylis [27]

Whats the question theres nothing attached

3 0
3 years ago
Find the center, vertices, and foci for the ellipse 25x^2+64y^2=1600
Ronch [10]

Answer:

Step-by-step explanation:

Answer:

Data

Equation               25x² + 64y² = 1600

Process

1.- Divide all the equation by 1600

                            25x²/1600 + 64y²/ 1600 = 1600/1600

-Simplify

                             x²/64 + y²/ 25 = 1

2.- Equation of a horizontal ellipse

                            

3.- Find a, b and c

   a² = 64             a = 8

   b² = 25             b = 5

-Calculate c with the Pythagorean theorem

                  a² = b² + c²

-Solve for c

                  c² = a² - b²

-Substitution

                  c² = 8² - 5²

-Simplification

                 c² = 64 - 25

                 c² = 39

-Result

                 c = √13

4.- Find the center

         C = (0, 0)

5.- Find the vertices

         V1 = (-8, 0)     V2 = (8, 0)

6.- Find the foci

         F1 = (-√13, 0)   F2 = (√13, 0)

4 0
3 years ago
Read 2 more answers
4. Which ordered pair represents a solution to the inequality 2 + 2y &gt; 102
MariettaO [177]
Did you make a mistake because none of these ordered pairs are a solution.
6 0
3 years ago
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