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aksik [14]
3 years ago
15

Write an expression that is equivalent to -4(3x – 7). -4(3x – 7) = – D 2 + ?

Mathematics
1 answer:
Burka [1]3 years ago
5 0
Another way to express it would be -12x+28
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PLEASE HELP URGENT DUE IN 2 HOURS
Kaylis [27]

Answer:

look it up on slader.com thats the sams problem that i have had before and it worked on slader.

8 0
3 years ago
the simple interest paid on a loan over a period of two and a half years is birr 375. if the rate of interest was 8% per annum,
Reil [10]

Answer:

4678.5

Step-by-step explanation:

\frac{375}{8} = 46.875\\

46.875 * 100 = 4687.5

8 0
3 years ago
Which list of values is ordered from least to greatest?
skelet666 [1.2K]
A is correct.

-8, -4, 0, 2

-|-4| becomes -(4) which becomes -4.
8 0
3 years ago
Read 2 more answers
Find the area of the equilateral triangle
uranmaximum [27]

Answer:

Step-by-step explanation:

Suppose that the side length is s.  Imagine that one side is level.  Draw a vertical line through the top vertex perpendicular to the base (level side).  Label this vertical line "h."  Then h and s are related as follows:

                               √3          h

sin 60 degrees = ------- = --------

                                 2           s

                                                                   s√3

and so h = the height of the triangle =  -----------

                                                                       2

The area of this triangle is (1/2)(base)(height), which here is:

(1/2)(s/2)( s√3 /2), or

        (s^2)√3

A = ---------------

               8                                

8 0
3 years ago
Read 2 more answers
What are the solutions to the following system?
bija089 [108]

The solutions are (\sqrt{2},-1) \text { and }(-\sqrt{2},-1).

Solution:

Given equation:

-2 x^{2}+y=-5

Add 2 x^{2} on both sides.

-2 x^{2}+y+2 x^{2}=-5+2 x^{2}

y=-5+2 x^{2} -------- (1)

y=-3 x^{2}+5 (given)  -------- (2)

Equate (1) and (2).

-5+2 x^{2}=-3 x^{2}+5

Add 3 x^{2} on both sides.

-5+2 x^{2}+3 x^{2}=-3 x^{2}+5 +3 x^{2}

-5+5x^{2}=5

Add 5 on both sides.

-5+5x^{2}+5=5+5

5x^{2}=10

Divide by 5 on both sides, we get

x^{2}=2

Taking square root on both sides, we get

x=\sqrt{2}, x=-\sqrt{2}

Substitute x=\sqrt{2} in (1).

y=-5+2(\sqrt{2})^2

y=-5+4

y=-1

Substitute x=-\sqrt{2} in (1).

y=-5+2(-\sqrt{2})^2

y=-5+4

y=-1

Therefore the solutions are (\sqrt{2},-1) \text { and }(-\sqrt{2},-1).

Option C is the correct answer.

6 0
3 years ago
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