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Softa [21]
4 years ago
6

Increase £30 by 15. what is the answer

Mathematics
1 answer:
Whitepunk [10]4 years ago
5 0
45..............

....
...
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A traffic helicopter descends 153 meters to be 445 meters above the ground, as illustrated in the
sertanlavr [38]

Answer:

598 meters

Step-by-step explanation:

In the problem, the word 'decend' means to decrease in elevation.

<u>Our equation:</u>

<u>? - 153 = 445</u>

<u>Add</u><u> </u><u>153</u><u> </u><u>to</u><u> </u><u>both</u><u> </u><u>sides</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>equation</u><u>:</u>

?= 598

598 meters represents the original height of the helicopter.

6 0
2 years ago
Match the function with its graph. a. 1C, 2B, 3D, 4A c. 1D, 2A, 3C, 4B b. 1A, 2D, 3B, 4C d. 1A, 2B, 3C, 4D Please select the bes
oksano4ka [1.4K]

Answer:

The correct answer is "Option C".

Step-by-step explanation:

Given:

\bold{ 1) y= -\tan (x- \frac{\pi}{2})}\\\\\bold{ 2) y= \tan (x+ \frac{\pi}{2})}\\\\\bold{ 3) y= -\cot (x- \frac{\pi}{2})}\\\\\bold{ 4) y= \cot (x+ \frac{\pi}{2})}\\\\

solve the above equation:

\Rightarrow 1) \ y= -\tan (x- \frac{\pi}{2})\\\\\Rightarrow \ y= \tan (\frac{\pi}{2}-x)\\\\\Rightarrow \ y= \cot x \ \ \ \ \ \bold{ that \ matchs \ graph \ D}\\\\ \Rightarrow 2) \ y= \tan (x+ \frac{\pi}{2})\\\\\Rightarrow \ y= - \cot x \ \ \ \ \bold{ that \ matchs \ graph \ A}\\\\

\Rightarrow 3) \ y= -\cot (x- \frac{\pi}{2})\\\\\Rightarrow \ y=\cot ( \frac{\pi}{2}-x)\\\\\Rightarrow \ y=\tan  x\ \ \ \ \bold{that \ matchs \ graph \ C}\\\\

\Rightarrow 4) \ y= \cot (x+ \frac{\pi}{2})\\\\\Rightarrow  \ y= \cot (\frac{\pi}{2}+x)\\\\\Rightarrow  \ y= \ -tan x \ \ \ \ \  \bold{ that \ matchs \ graph \ A}

The final answer is "Option C".

8 0
3 years ago
Evaluate 5x – 2y + (7x – y) for x = 7 and y = –2.
zepelin [54]

Answer:

92

Step-by-step explanation:

5x - 2y + (7x - y) = 5 * 7 - 2 * (-2) + (7 * 7 - (-2)) = 35 - (-4) + (49 + 4) = 39 + 53

= 92

8 0
3 years ago
Suzi can type around 50 words per minute she has less than a week to taper final research paper is the paper has to at least be
antiseptic1488 [7]

Answer:

2.5 hours

Step-by-step explanation:

(380/50) x 20

7.6 x 20

152

The final answer wold be 152 minutes or 2.5 hours

3 0
3 years ago
How does x - 7 &gt; - 2 go to x &gt; 9
Alex
It doesn't because if you do the opposite of -7 which is add 7 you will get x>5
4 0
3 years ago
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