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crimeas [40]
3 years ago
11

Find the slope of the line that contains the points named. C(3, 8), D(-2, 5)

Mathematics
2 answers:
Ymorist [56]3 years ago
7 0
5-8 = -3 = 3
------- ------ ----
-2-3 -5 5
LekaFEV [45]3 years ago
3 0
5-8/-2-3 = -3/-5 = 3/5

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How many solutions does the equation have? 6-a = 1/3(9a-18)
Alex777 [14]
6 - a = \frac{1}{3} (9a - 18)

First, simplify \frac{1}{3} (9a - 18) to \frac{9a-18}{3} / Your problem should look like: 6 - a =  \frac{9a - 18}{3}
Second, multiply both sides by 3. / Your problem should look like: 18 - 3a = 9(a - 2)
Third, expand. / Your problem should look like: 18 - 3a = 9a - 18
Fourth, add 3a to both sides. / Your problem should look like: 18 = 9a - 18 + 3a
Fifth, simplify 9a - 18 + 3a to 12a - 18. / Your problem should look like: 18 = 12a - 18
Sixth, add 18 to both sides. / Your problem should look like: 18 + 18 = 12a
Seventh, add 18 + 18 to get 36. / Your problem should look like: 36 = 12a
Eighth, divide both sides by 12. / Your problem should look like: \frac{36}{12} = a
Ninth, since 3 goes into 12 to get 36, simplify \frac{36}{12} to 3. / Your problem should look like: 3 = a
Tenth, switch sides. / Your problem should look like: a = 3

Answer: a = 3 (one solution)

5 0
3 years ago
Formulas and Literal Equations
miskamm [114]

Answer:

x = 23

Step-by-step explanation:

Given, \frac{x - 5}{2} = 9, solve for x.

Multiply both sides by 2

\frac{x - 5}{2} \times 2 = 9 \times 2

x - 5 = 18

Add x to both sides

x - 5 + 5 = 18 + 5

x = 23

7 0
3 years ago
3, 9, 27, 81, . . . Use inductive reasoning to predict the next term in the sequence.
Alexandra [31]
Each number is multiplied by 3. 3x3=9, 9x3=27, and so forth. the answer is logically 243
5 0
3 years ago
Read 2 more answers
A metal worker has several 1-kilogram bars of a metal alloy that contain 23% copper and several 1-kilogram bars that contain 79%
astraxan [27]

Answer:

30 each of 23% bars and 18 each of 79% bars

Step-by-step explanation:

If x is the number of 1 kg 23% copper bars, and y is the number of 1 kg 79% copper bars, then:

x + y = 48

0.23x + 0.79y = 0.44(48)

Substituting and solving:

0.23x + 0.79(48-x) = 0.44(48)

0.23x + 37.92 - 0.79x = 21.12

16.8 = 0.56x

x = 30

y = 48 - x

y = 18

You need 30 each of 23% bars and 18 each of 79% bars.

4 0
3 years ago
Can someone please tell me what 597 ➗ 5 is
BigorU [14]

Answer:

119.4

Step-by-step explanation:

Big Brain Dude <:

5 0
3 years ago
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