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tester [92]
3 years ago
9

If x > 6, then-7 is a solution True False

Mathematics
1 answer:
san4es73 [151]3 years ago
4 0

Answer:

False; -7 is not greater than 6

Step-by-step explanation:

-7 is less than 6

or

-7 < 6

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The angle of the elevation from the top of a 95 Todd building into a hot air balloon in the sky and 76° if the horizontal distan
AnnZ [28]

Answer:

The height of the hot air balloon is 1514.54 feet approximately.

Step-by-step explanation:

Consider the provided information.

The angle of elevation from the top of a 95-foot tall building to a hot air balloon in the sky is 76. If the horizontal distance between the building and the hot air balloon is 354 feet, find the height of the hot air balloon

The figure is shown below:

Let the height of the balloon is AD, the height of the building is BC.

Draw a line BE parallel to CD.

Therefore, AD=x+95, BC=95 and BE=CD=354 ft

Now in triangle ABE.

\tan\theta=\dfrac{\text{Opp}}{\text{Adj}}

\tan76^{\circ}=\dfrac{AE}{BE}

AE\approx 4.01\times 354

AE\approx 1419.54

The height air balloon is 1419.54+95 =1514.54 ft

Hence, the height of the hot air balloon is 1514.54 feet approximately.

7 0
3 years ago
Can someone pls explain, Try the numbers 31, 32, 33, 34 in the equation 4 × (x + 8) = 5x − 2 to test whether any of them is a so
Natalka [10]

Answer: 34

Step-by-step explanation:

1) plug in the number 34 for x and solve. For the first equation you get 168.

2) plug 34 for x and solve. For the second equation you also get 168.

That's how you know they are equal to each other.

8 0
3 years ago
24 is 75%, percent of what number?
puteri [66]

Turn percentage into a decimal.

75% = 0.75

Divide

24 / 0.75 = 32

24 is 75% of 32.

Hope This Helped! Good Luck!

4 0
3 years ago
If there are 9 girls and 11 boys in a class, what percentage of the class are girls
viva [34]
1. Find the total number of class members
    9 + 11 = 20

2. Find 9 as a percentage of 20
    9 / 20 = 0.45
    0.45 x 100 = 45%

<u>45% of the class are girls.</u>
6 0
3 years ago
I have a very large equation to factor and need a quick way to factor it?
ludmilkaskok [199]
Can i have a real question please!
3 0
3 years ago
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