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3 years ago

A arch weighs about 20000 tons. write an amount that could be the exact number of tons

1 answer:

8 0

The arche's weight could range from 15,000 tonnes to 24,999 tonnes beacause if you round them to the nearest 10,000 it would come out as 20,000.

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I REALLY NEED HELP PLEASE

Nezavi [6.7K]

Answer:

Step-by-step explanation:

given

$\frac{s + ( - 7)}{ - 1}$

we first need to simplify the expression before we find it's value when s=-3

positive times negative=negative

so the equation becomes

$\frac{s - 7}{ - 1}$

substituting s=-3 into the equation.

$\frac{ - 3 - 7}{ - 1}$

$\frac{ - 10}{ - 1}$

=the negatives cancel out leaving

$= 10$

7 0

3 years ago

Can you help me with this equation???

baherus [9]

ONP=43 degrees
LNO=137 degrees
MNP=137 degrees

A straight line equals 180 degrees, so the angles need to add up to that amount. Hope this helps!

5 0

3 years ago

If g(x) = -4x + 5, find g(2x-1).

lilavasa [31]

Answer:

- 8x + 9

Step-by-step explanation:

To evaluate g(2x - 1) substitute x = 2x - 1 into g(x), that is

g(2x - 1)

= - 4(2x - 1) + 5 ← distribute parenthesis and simplify

= - 8x + 4 + 5

= - 8x + 9

8 0

3 years ago

Read 2 more answers

Can you explain it and help me out please

Artyom0805 [142]

Answer:

b=19

Step-by-step explanation:

2x(3x+5)+3(3x+5)= (3x+5)(2x+3)= 6x²+ 9x+10x+15=6x²+19x +15

6x² + 19x +15 = ax²+bx+c

a=6, b=19, c=15

5 0

3 years ago

3x+5=5x-3

madam [21]

answer= d Step-by-step explanation:

6 0

2 years ago