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Lynna [10]
3 years ago
14

Find the slope of the line: (8,-2) and (-7,4).

Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0

Answer:

-2-4= -6

8-7= 1

the slope is -6 over 1 or -6

Step-by-step explanation:

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I WILL MARK YOU BRAINLYEST if you answer all of my problems !!!!!!!!!!!
sweet-ann [11.9K]
1) you can buy 6 candy bars because $5.10 / $0.85 =
6.
To check: 6*0.85=5.10

2) you can find the answer by adding 3 to 12. 3+12=15 n=15 and it said n can be greater than or equal so
N(greater than or equal to sign) 15.
To check: 15-3=12
12=12
16-3>12
13>12

7) x-7=12
+7 +7
X=19
To check: 19-7=12
12=12

8) y/8=7
*8 *8
Y= 56
To check: 56/8=7
7=7

9) 10-4x=6x
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To check: 10-4(1)=6(1)
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Hope this helped!
3 0
2 years ago
Prove: cos(x+y)/cosxsiny=coty-tanx
Doss [256]
Cos (x+y)/cos x sin y    

= cos x cos y - sin x sin y  / cos x sin y

= cos x cos y/cos x sin y     - sin x sin y / cos x sin y

hope this helps
8 0
3 years ago
Read 2 more answers
I would like all the help I can’t get pleaseee
expeople1 [14]

Answer:

Step-by-step explanation:

a=4    b=12

2a+3b=

2*4+3*12=

8+36=

44

a²-b+10=

4²-12+10=

4*4-2=

16-2=

14

(ab)²-(a+b)²=

(4*12)²-(4+12)²=

48²-16²=

(48+16)(48-16)=

64*32=

2048

7 0
2 years ago
Please help please help me out
Lapatulllka [165]
Actually it’s 42 cuz they are equal
3 0
3 years ago
Read 2 more answers
Rohann recently finished some renovations to his house. 20 square meters of carpeting cost $875 while 17 square meters of hardwo
lara [203]

Answer: Hardwood flooring

Step-by-step explanation:

Given

Rohann renovation of Carpentering cost $875 for 20\ m^2

For hardwood flooring 17\ m^2 cost $750

So, cost per square meter for different floors are

\Rightarrow \text{Carpentering}=\dfrac{875}{20}\\\\\Rightarrow \text{Carpentering}=\$43.75/m^2

\Rightarrow \text{Hardwood}=\dfrac{750}{17}\\\\\Rightarrow \text{Hardwood}=\$44.11/m^2

Thus, the cost of the Hardwood flooring is more expensive.

6 0
3 years ago
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