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Margarita [4]
3 years ago
12

evaluate the following expression using the values given: find 3x − y − 3z if x = −2, y = 1, and z = −2. (1 point) −13 −1 1 13

Mathematics
1 answer:
olga_2 [115]3 years ago
5 0
You plug X=-2, y=1, and z=-2 in the problem
3(-2)-(1)-3(-2)= -1 
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Option 1:<br><br> Find x. Show all work.
Ronch [10]

Using law of cosines:

Cos(angle) = adjacent/ hypotenuse


Cos(22) = 12/x

Rewrite to get:

X = 12/cos(22)

Simplify:

X = 12.9424

Round the answer as needed.

5 0
2 years ago
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Ramiro brought home ten pounds of rice to add to the 24 ounces of rice he had in the pantry. Let x represent the amount of rice
lianna [129]
16 ounces in a pound.
24 oz= 1.5 ibs.
Added to 10 ibs.
Now has 11.5 ibs.

R(x)= 11.5 - x
3 0
3 years ago
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BRAINLIESTTTTT PLS ANSWERRRRR
nlexa [21]

Answer:

x=9 and y=115

Step-by-step explanation:

Solve y=9x+34;y=16x−29

Steps:

I will solve your system by substitution.

y=9x+34;y=16x−29

Step: Solvey=9x+34for y:

Step: Substitute9x+34foryiny=16x−29:

y=16x−29

9x+34=16x−29

9x+34+−16x=16x−29+−16x(Add -16x to both sides)

−7x+34=−29

−7x+34+−34=−29+−34(Add -34 to both sides)

−7x=−63

−7x

−7

=

−63

−7

(Divide both sides by -7)

x=9

Step: Substitute9forxiny=9x+34:

y=9x+34

y=(9)(9)+34

y=115(Simplify both sides of the equation)

Hope this helps :)

3 0
3 years ago
Which expression can be used to determine the slope of the linear function graphed
Damm [24]

Answer: no such thing as this

Step-by-step explanation: no such thing as this

8 0
3 years ago
What is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of B
Salsk061 [2.6K]

What is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of BWhat is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of BB) x= -13/2

C) x=25/28

D) x=-7/20What is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of B14Which equation below compares the amount of medicine, S, in Sofia’s system with the amount of medicine, L, in Lexi’s system? L = 16 x S S = 16 x L L = 4 + S S = 4 + L16What is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of B14What is the value of A and B find the square root of two times the square root of 14 equals a multiplied by the square root of BB) x= -13/2

C) x=25/28

D) x=-7/20

6 0
3 years ago
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