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2 years ago

7.9x – 2 – 3.2x – 10 = 2.8 + x

Mathematics

1 answer:

ryzh [129]2 years ago

5 0

Answer:

x=4

Step-by-step explanation:

combine like terms

divide to get the x by itself

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The year of Average 11, 15, 17, X+1, 19, X-2, 3 is 14. Find median.

malfutka [58]

Answer:

median of given data is 18

7 0

2 years ago

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Given that f(x) = x2 − 3x + 3 and g(x) = the quantity of x minus one, over four , solve for f(g(x)) when x = 5. (1 point)

Anna007 [38]

Rewrite g(x) as x-1

------

and then substitute this result for x in f(x) = x^2 - 3x + 3:

f(g(x)) = (x-1)^2 / 4^2 - 3(x-1)/4 + 3.

At this point we can substitute the value 5 for x:

f(g(5)) = (5-1)^2 / 4^2 - 3(5-1)/4 + 3

= 16/16 - 3(4/4) + 3 = 1 - 3 + 3 = 1

Therefore, f(g(5)) = 1.

6 0

2 years ago

Question 2 (2 points)<br> Subtract.<br> A) -18 - (-12) =<br> on &<br> 5

muminat

Answer:

-6

(I don’t understand what you mean by on & 5 but..)

Step-by-step explanation:

The two negatives (the -(- ) cancel each other out and make a postive, so

-18 + 12 = -6

7 0

3 years ago

Read 2 more answers

Please explain this answer ☹️

GuDViN [60]

Answer:

see explanation

Step-by-step explanation:

Note that cos315° = cos45° and sin315° = - sin45° and

cos45° = sin45° = $\frac{1}{\sqrt{2} }$ = $\frac{\sqrt{2} }{2}$

Hence

12(cos315° + isin315°)

= 12(cos45° - isin45°)

= 12( $\frac{\sqrt{2} }{2}$ - i $\frac{\sqrt{2} }{2}$ )

= 6 $\sqrt{2}$ - 6i $\sqrt{2}$

7 0

3 years ago

NUMBER 27 please!!!!!!!

Artist 52 [7]

The inequality can be:
$150x \leqslant 3000$
Now you divide both sides by 150 to get the #of boxes.

$3000 \div 150$
Lastly, x is 20. So the maximum amount of boxes that the freight elevator can hold is 20

3 0

2 years ago