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eduard
3 years ago
11

Help with these please

Mathematics
1 answer:
Svetlanka [38]3 years ago
5 0
A.
1.89 \div( 2 \times \frac{1}{4} )
b.
weight \: per \:cm =  \frac{9}{15}  = 0.6
e.
Let the number be x
\frac{75}{85}  =  \frac{x}{200}
Others I am not really sure.
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Perform the indicated operation g(x)=-x-3 h(x) = x 2+X Find (goh) (x)​
Klio2033 [76]

Answer:

(g\circ h)(x)=-x^2-x-3

Step-by-step explanation:

So we have the two functions:

g(x)=-x-3\text{ and } h(x)=x^2+x

And we want to find:

(g\circ h)(x)

This is the same thing as:

=g(h(x))

So, substitute h(x) into g(x):

g(x)=-x-3\\g(h(x))=-(x^2+x)-3

Distribute the negative:

g(h(x))=-x^2-x-3

And we're done!

So:

(g\circ h)(x)=-x^2-x-3

6 0
2 years ago
Read 2 more answers
SOMEONE PLEASE HELP ME WITH THIS!!!!
denis23 [38]

Answer:

D.

Step-by-step explanation:

115x + 170 = 630

Subtract 170 from each side of the equals,

115x = 460

Divide 460 by 115,

4

Thus, D is your correct answer.

<em>Answered by:</em>

matthewarvin06

Hey! Thanks for reading my answer. If this helped you in any way, please rate or say thanks! It's really appreciated. If you have any further questions, please let me know. Thanks!

7 0
2 years ago
Agnes has 23 collectible stones, all of which
Setler79 [48]

Answer:

The answer is she sold 20 labradorite crytals and 3 galena crystals.

Step-by-step explanation:

First you times 20 x 20 and get 400 and then times 13 x 3 and get 39 and 400 plus 39 equals $439.

3 0
3 years ago
I don’t get how to answer 8x + 4 - x/2
nikitadnepr [17]
Ask you to solve the equation as x

7 0
3 years ago
Help idk how to do it
MAVERICK [17]

Answer:

140

Step-by-step explanation:

Angle 4 is congruent to angle 2 by corresponding angles postulate.  Therefore, angle 2 is also 40.  Angle 2 and angle 3 are supplementary, or add up to 180 because they are on a straight line.  140 and 40 add up to 180 so angle 3=140 degrees

5 0
3 years ago
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