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Sav [38]
4 years ago
11

Multiplication of radicals, simplify answer & show work please. 7(8-√5)

Mathematics
1 answer:
HACTEHA [7]4 years ago
5 0

Answer:

56 - 7\sqrt{5}

Step-by-step explanation:

Given

7(8 - \sqrt{5}) ← multiply each term in the parenthesis by 7

= 56 - 7\sqrt{5}

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3 years ago
A lawn in the shape of a trapezoid has an area of 1,833 square meters. The length of the other base is 42 meters. What is the he
Klio2033 [76]
The area of a trapezoid can be found with this formula:

A=\frac{1}2(b_1+b_2)h

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If we plug in what we know we can solve for the height.
We know that b1 = 52, b2 = 42, and A = 1833. Let's solve.

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3 0
3 years ago
How do you classify this polynomial? 4x^5-3x^2-8
WINSTONCH [101]

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7 0
3 years ago
What is the solution to the system of equations?<br> y = 2/3 x + 3<br> X= -2
ludmilkaskok [199]

The solution to the given system of equations is x = -2, y = 5/3. That is (-2, 5/3)

<h3>Solving system of equations </h3>

From the question, we are to determine the solution to the given system of equations

The given system of equation is

y = 2/3 x + 3     ----------- (1)

x= -2                 ----------- (2)

The value of x has been given in the second equation of the system of equations.

Now, we will determine the value of y

From the second equation, we have that

x = -2

Substitute the value of x into the first equation,

y = 2/3 x + 3

y = 2/3 (-2) + 3

y = -4/3  + 3

y = 5/3

Hence, the solution to the given system of equations is x = -2, y = 5/3. That is (-2, 5/3)

Learn more on Solving system of equations here: brainly.com/question/13729904

#SPJ1

4 0
2 years ago
tony had 13 bills in his wallet. they were all fives or tens. the total amount of money in his wallet was $90. How many five dol
yanalaym [24]
//I'll let x = $5, y = $10
x + y = 13
5x + 10y = 90

So, y = 13 - x
5x + 10(13 - x) = 90
5x + 130 - 10x = 90
-5x = -40
x = 8

6 0
3 years ago
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