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borishaifa [10]
2 years ago
9

Inclues all numbers between -1 and 4 including -1 but not including 4

Mathematics
1 answer:
zlopas [31]2 years ago
8 0
I’m so sorry but I really don’t know the answer but try the internet it might help
You might be interested in
2.
forsale [732]

Answer:

C

Step-by-step explanation:

Given

x² - 3x - 12 = 0 ( add 12 to both sides )

x² - 3x = 12

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(-\frac{3}{2} )x + \frac{9}{4} = 12 + \frac{9}{4}

(x - \frac{3}{2} )² = \frac{57}{4} ( take the square root of both sides )

x - \frac{3}{2} = ± \sqrt{\frac{57}{4} } = ± \frac{\sqrt{57} }{2} ( add \frac{3}{2} to both sides )

x = \frac{3}{2} ± \frac{\sqrt{57} }{2}

Then

x = \frac{3}{2} + \frac{\sqrt{57} }{2} ≈ 5.27 ( to the nearest hundredth )

x = \frac{3}{2} - \frac{\sqrt{57} }{2} ≈ - 2.27 ( to the nearest hundredth )

3 0
3 years ago
Ying is a professional deep water free diver. His altitude (in meters relative to sea level), xxx seconds after diving, is model
Wewaii [24]

Answer:

60 seconds

Step-by-step explanation:

D(x) = \dfrac{1}{36}(x-60)^2-100

When Ying reaches his lowest altitude, his velocity is 0.

The velocity, v(x) is the tiome-derivative of D(x).

v(x) = \dfrac{d}{dx}D(x)

v(x) = \dfrac{2}{36}(x-60)\times1 = \dfrac{x-60}{18}                   (This was done by using chain rule)

Equating v(x) to 0,

\dfrac{x-60}{18} = 0

x - 60 = 0

x = 60

5 0
3 years ago
Miranda has 5 shirts and 4 pairs of pants that she uses for her work clothes. How many different outfits can be assembled using
nordsb [41]

Answer:

20

Step-by-step explanation:

lets label each shirt as A, B, C, D, E and each pair of pants as a, b, c, d

combinations include:

Aa, Ab, Ac, Ad, Ba, Bb, Bc, Bd, Ca, Cb, Cc, Cd, Da, Db, Dc, Dd, Ea, Eb, Ec, Ed

however, it isn't necessary to write out all the combinations as you could just do 5*4=20.

4 0
3 years ago
Read 2 more answers
Please help me ASAP!!
taurus [48]

Answer:

its b The angles need to add up to 90 degrees and this fits the formula

4 0
3 years ago
Read 2 more answers
The median for the 5 numbers 2647, 1956, 2250, 2141, and x is 2141. What is the largest possible value for the number x?
Mila [183]

Answer:

2140

Step-by-step explanation:

Median can be described as the number that lies in the middle of a set of arranged observations. the observations can be arranged in ascending or descending order

in a set of 5 numbers, the median would be the 3rd number

the median is 2141. there was to be 2 numbers before and after 2141

1956, x 2141, 2250, 2647

the largest possible value of x is 2140. this is the largest number that is less than 2140

5 0
2 years ago
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