3 years ago

What is the slope of 8x - 5y = 20?

Mathematics

2 answers:

Gnom [1K]3 years ago

8 0

Answer: 85

Step-by-step explanation:

harkovskaia [24]3 years ago

7 0

Answer:

8/5 or 1.6

Step-by-step explanation:

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Bryan hiked up to the top of City Creek in 3 hr and then returned down the canyon to the trailhead in another 2 hr. His speed do

kati45 [8]

Still need your answer ?

7 0

3 years ago

Need answers for 70-75

adoni [48]

Answer:

70. 0

71. -54

72. 12

73. 86

74. 59

Step-by-step explanation:

To evaluate an expression, substitute specific values for the variables and simplify using Order of Operations.

70. c-3d becomes

$(1)-3(\frac{1}{3}) = 1-(\frac{3}{3}) = 1-1 = 0$

71. $x+x^3-4x^4$ becomes

$2+2^3-4(2)^4 = 2+8-4(16) = 2+8-64=10-64=-54$

72. $5a+3a^2$ becomes

$5(-3)+3(-3)^2 = -15 +3(9) = -15 + 27 = 12$

73. $F=\frac{9}{5}C+32$ becomes

$F=\frac{9}{5}(30)+32=\frac{270}{5}+32 = 54+32 = 86$

74. $F=\frac{9}{5}C+32$ becomes

$F=\frac{9}{5}(15)+32=\frac{135}{5}+32 = 27+32 = 59$

8 0

3 years ago

Simplify the following expression. show your work.<br> (-y + 5.3) + (7.2y - 9)

Kitty [74]

Answer:

6.2y - 3.7

Step-by-step explanation:

−y+5.3+7.2y−9

Subtract 9 from 5.3 to get −3.7.

−y−3.7+7.2y

Combine −y and 7.2y to get 6.2y.

6.2y−3.7

6 0

3 years ago

Here xchx solve this mate :)Thanks. 12 points smh

NikAS [45]

Answer:

1. y = (-4^3)^2

2. y= 2^4/ 6^2

4 0

3 years ago

I need help solving it

blagie [28]

X2-64=0
x2=64

x=8 because when multiplied by itself, and plugged back in, it works

8 0

3 years ago

Read 2 more answers