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vodka [1.7K]
3 years ago
14

What is the slope of the line joining (8, 8) and (12, 6)?

Mathematics
1 answer:
Ugo [173]3 years ago
8 0

Answer:

- 0.5

Step-by-step explanation:

Slope = y2 - y1 /x2 - x1

Given

x1 = 8

y1 = 8

x2 = 12

y2 = 6

Slope = 6 - 8 /12 - 8

= -2/4

= - 1/2

= - 0.5

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How many white keys does a standard modern piano have? 1=102 2=52 3=88
Marta_Voda [28]
A standard piano has 88 keys on it

6 0
2 years ago
Read 2 more answers
What is the constant of 2x+3y+6
vekshin1

Answer:

6

Step-by-step explanation:

Constants are any numbers that don't change.

2x + 3y + 6

Since "6" is the only number here, that is the only constant.

Best of Luck!

3 0
3 years ago
Read 2 more answers
Evaluate the expression 2ab 3+ 6a 3 - 4ab2 when a=2 and b=4.<br> a.176<br> b.180<br> c.215<br> d.216
Tom [10]
The first step for solving this expression is to insert what a and b stand for into the expression. This will change the expression to the following:
2(2)(4)³ + 6(2)³ - 4(2)(4)²
Now we can start solving this by factoring the expression
2(2 × 4³ + 3 × 2³ - 4 × 4²)
Write 4³ in exponential form with a base of 2.
2(2 × 2^{6} + 3 × 2³ - 4 × 4²)
Calculate the product of -4 × 4².
2(2 × 2^{6} + 3 × 2³ -4³)
Now write 4³ in exponential form with a base of 2.
2(2 × 2^{6} + 3 × 2³ -2^{6})
Collect the like terms with a base of 2.
2(2^{6} + 3 × 2³)
Evaluate the power of 2³.
2(2^{6} + 3 × 8)
Evaluate the power of 2^{6}.
2(64 + 3 × 8)
Multiply the numbers.
2(64 + 24)
Add the numbers in the parenthesis.
2 × 88
Multiply the numbers together to find your final answer.
176
This means that the correct answer to your question is option A.
Let me know if you have any further questions.
:)
5 0
2 years ago
A dolphin was swimming 28 meters below the oceans surface.it changed its depth to avoid a predator and ended up 21 meters below
Harman [31]

Answer:

+7

Step-by-step explanation:

if you go from 28 to 21 you see there is a difference of 7 and sense the number is a smaller number now we know the dolphin went up more towards the surface there for there is a change of positive 7

28-21=7

6 0
2 years ago
<img src="https://tex.z-dn.net/?f=8%20%2B%203%20%5Ctimes%204" id="TexFormula1" title="8 + 3 \times 4" alt="8 + 3 \times 4" align
Ira Lisetskai [31]

Answer:

20 is correct answer

Step-by-step explanation:

8+3×4

=8+12

=20

<em>Reme</em><em>mber</em><em> </em><em>always</em><em> </em><em>foll</em><em>ow</em><em> </em><em>bodmas</em><em> </em><em>rule</em><em> </em>

hope it helped you:)

thanks!

8 0
2 years ago
Read 2 more answers
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