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marysya [2.9K]
3 years ago
6

Use the distributive property to remove the parentheses. -5(3x - 4y-6)​

Mathematics
1 answer:
Elden [556K]3 years ago
5 0

Answer:

=−15x+20y+30

Step-by-step explanation:

−5(3x−4y−6)

=(−5)(3x+−4y+−6)

=(−5)(3x)+(−5)(−4y)+(−5)(−6)

=−15x+20y+30

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Novay_Z [31]

Answer:

z=3/7+4q/7

q= -3/4+7z/4

Step-by-step explanation:

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A submarine wa 525 feet below sea level. it ascends up 140 feet what is the position
Ivenika [448]

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Step-by-step explanation:

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4 years ago
Read 2 more answers
Number 1 has a picture
MA_775_DIABLO [31]
Question 1

cos(C) = adj/hyp
cos(C) = BC/AC
cos(C) = 15/17

Answer: Choice C) 15/17

=============================================

Question 2

sin(E) = opp/hyp
sin(E) = FD/DE
sin(E) = 24/25

So angle E is the answer

=============================================

Question 3

AC is the adjacent side to the given angle A = 33 degrees
AB = 14 is the hypotenuse

cos(angle) = adjacent/hypotenuse
cos(33) = x/14
14*cos(33) = x
x = 14*cos(33)
x = 11.741
x = 11.7

Answer: 11.7

=============================================

Question 4

x = length of board

cos(angle) = adj/hyp
cos(55) = 6/x
x*cos(55) = 6
x = 6/cos(55)
x = 10.46068
x = 10.5

Answer: 10.5

=============================================

Question 5

112 is the adjacent side to the given angle 62 degrees
x = height of building, which is the opposite leg

tan(angle) = opp/adj
tan(62) = x/112
112*tan(62) = x
x = 112*tan(62)
x = 210.641364
x = 210.6

Answer: 210.6
3 0
4 years ago
How do you solve this?
geniusboy [140]

Hello from MrBillDoesMath!

Answer:

x = 50


Discussion:

(4x +5) ( 2x - 2) =  8x^2 - 8x + 10x - 10        

                          = 8x^2 + 2x - 10                             (A)


(16x^8)/(2x^6)  + 90 =   8x^2 + 90                           (B)


Setting (A) = (B) gives

8x^2 + 2x - 10 = 8x^2 + 90

Subtract 8x^2 from both sides:

2x - 10 = 90

Add 10 to both sides:

2x = 90 + 10 = 100

Divide both sides by 2:

x = 100/2 = 50




Thank you,

MrB

8 0
3 years ago
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