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Andre45 [30]
3 years ago
15

Which equation can be used to find the volume of this solid? A rectangular prism with a length of 5 centimeters, width of 4 cent

imeters, and height of 2 centimeters. V = 2 times 4 times 5 V = 2 + 5 + 4 V = 2 times 5 V = 4 times 5
Mathematics
1 answer:
beks73 [17]3 years ago
4 0

Answer:

V= 2 times 4 times 5

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According to the Rational Root Theorem, which number is a potential root of f(x) = 9x
MAVERICK [17]

Answer:

The answer is below....V

Step-by-step explanation:

Brainliest when you can if you will!!!!

5 0
3 years ago
Joelle would like to tip her hairdresser 20%. If her haircut was $38.00, which expression should she use to find the tip amount?
Vilka [71]
I pretty sure you would use x over 38.00 = 20 over 100 then cross multiply them
6 0
3 years ago
Solve with cramer's rule x+2y+3z=11, 2x+y+2z=10, 3x+2y+z=9
nalin [4]

Answer:

x = 2 , y = 0 , z = 3

Step-by-step explanation:

Cramer's rule is a rule through which we can find the solution of linear equation.

we have the three linear equations as

x+2y+3z=11

2x+y+2z=10

3x+2y+z=9

AX=B  

A: coefficient matrix

X= unknown vectors(x,y,z)

D = values of the linear equation (11 , 10 , 9)

now we find the determinant of the given linear equation

determinant of the matrix will be

A = \left[\begin{array}{ccc}1&2&3\\2&1&2\\3&2&1\end{array}\right]  = 1(1-4) - 2(2-6) + 3(4 - 3)

                    = 1(-3) - 2(-4) + 3(1)

                    = -3+8+3 = 8

also D\neq 0

so the determinant is Non zero we can apply Cramer's rule

we will be replacing the first column of the coefficient matrix A with the values of D

by replacing the first column we will get the value of the variable 'x'

Dx =  \left[\begin{array}{ccc}11&2&3\\10&1&2\\9&2&1\end{array}\right]   = 11(1-4) -2(10-18) + 3(20-9) = -33+16+33 = 16

x = \frac{Dx}{D}  = \frac{16}{8} = 2

similarly

Dy = \left[\begin{array}{ccc}1&11&3\\2&10&2\\3&9&1\end{array}\right] = 1(10-18) -11(2-6) + 3(18 -30) = -8 +44 -36 = 0

y = \frac{Dy}{D} = 0

Dz= \left[\begin{array}{ccc}1&2&11\\2&1&10\\3&2&9\end{array}\right] = 1(9 - 20) -2(18 - 30) + 11(4 -3) = -11 +24 +11 = 24

z = \frac{Dz}{D} = \frac{24}{8} = 3

so we have the solution as

x = 2 , y = 0 , z = 3

Therefore the solution for the given linear equations is (2,0,3).

3 0
3 years ago
Why is I-READY so confusing??!!
attashe74 [19]

Answer:

15 + b

Step-by-step explanation:

8 0
3 years ago
4(−3x+8)=−16 Which value is the solution to the equation below?
Aleks04 [339]

Answer:

I'm 99.9% sure that x=4

Step-by-step explanation:

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3 years ago
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