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iren [92.7K]
3 years ago
10

I need help with all these questions

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
8 0

Answer:

Step-by-step explanation:

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Find the slope of the line that passes through K(-4,4), L(5,4)
Sergeu [11.5K]

Answer:

The slope is 0, or it is a zero slope.

Step-by-step explanation:

The y coordinate is 4 throughout, and if it were the x coordinate that stayed the same for both points, it would be a undefined slope.

4 0
3 years ago
What is the value of 5 in the number 583.2
GarryVolchara [31]

Answer:500.0

Step-by-step explanation:

Hundred.Since the 5 isn’t a decimal meaning it doesn’t have the “th” at the end of the word and the 5 is clearly on the hundred.

How this helps :)

I would appreciate it if you gave me brainliest:)

Tell me if its wrong.

lfu29

8 0
3 years ago
Read 2 more answers
nicole is taking a train yo Washington DC.The train travels 234 miles in 4 1/2 hours.Express this relationship as a unit rate
Ivenika [448]

Answer:

52 miles per hour.

Step-by-step explanation:

Divide 234 by 4.5, as that is what you must divide 4.5 by to get 1.

234/4.5 = 52 miles per hour.

8 0
3 years ago
What are the answer and steps to a^3 - 3a
tresset_1 [31]

Answer:

3a=3

Step-by-step explanation:

ok there you go

6 0
3 years ago
What is the area of triangle DEF?
FrozenT [24]

Answer:

A=2\sqrt{14}\ units^2

Step-by-step explanation:

we know that

Heron's Formula is a method for calculating the area of a triangle when you know the lengths of all three sides.  

so

A=\sqrt{s(s-a)(s-b)(s-c)}

where

a, b and c are the length sides of triangle

s is the semi-perimeter of triangle

we have

a=5\ units,b=6\ units,c=3\ units

<em>Find the semi-perimeter s </em>

s=\frac{5+6+3}{2}=7\ units

Find the area of triangle

A=\sqrt{7(7-5)(7-6)(7-3)}

A=\sqrt{7(2)(1)(4)}

A=\sqrt{56}\ units^2

simplify

A=2\sqrt{14}\ units^2

3 0
2 years ago
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