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3 years ago

A triangle has a side of 8 and a side of 14 which of the following cannot be the third side 6 7 8 or nine

Mathematics

1 answer:

sukhopar [10]3 years ago

8 0

Step-by-step explanation:

The sum of any 2 sides of the triangle must be longer than the 3rd side.

We have 8 + x > 14, x > 6. Since x cannot be exactly 6, the 3rd side cannot be 6.

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Graph the functions and approximate an x-value in which the exponential function exceeds the polynomial function. y = 4x y = 7x2

nordsb [41]

Answer:

The Exponential function is

$y=4^x$

And the polynomial function is

$y=7 x^2 +4 x -2$

And, we have to find the value of x for which, exponential function exceeds the polynomial function which can be written as

$4^x> 7 x^2 +4 x -2$

1. When , x= -1

LHS

$4^{-1}=\frac{1}{4}=0.25$

RHS

$=7*(-1)^2 +4 *(-1)-2\\\\=7-4-2=1$

2. When , x=0

L HS

$4^0=1$

RHS

$7*0+4*0-2= -2$

3. When ,x= 0.5

L HS

$4^{0.5}=2$

RHS

$=7*0.25 +4*0.5 -2\\\\= 1.75+2-2\\\\=1.75$

4. When , x=2

LHS

$4^{2}=16$

RHS

$=7*4^2+4*4-2\\\\=112+16-2\\\\=126$

The Minimum value for which exponential function exceeds the polynomial function is , x= 0.5

But,there is other value for which exponential function exceeds the polynomial function is , x=2.

5 0

3 years ago

Help. Me. Please. Pt1

sergejj [24]

Answer:

Step-by-step explanation:

X<Y means x is less than y-5 and you get A.

5 0

2 years ago

Read 2 more answers

Given the mean 71.4 and sample standard deviation 11.5 what is the z-

Elenna [48]

Answer: 1.18

Step-by-step explanation:

Z = (x - mean) / standard deviation

Z = (85 - 71.4) / 11.5

Z = 13.6 / 11.5 = 1.18

6 0

3 years ago

Someone help me I have have like 5 questions if you answer them all you’ll get brainlest;) 1/5

AysviL [449]

Answer:

We conclude that the list which

shows values in order from LEASE to GREATEST is:

$\frac{49}{16}$ , $\frac{80}{19}$ , $\sqrt{25}$

Step-by-step explanation:

Given the values

$\sqrt{30}=5.477$

$\frac{49}{16}=3.0625$

$\frac{80}{19}=4.210$

$\sqrt{25}=5$

Writing all the values from LEASE to GREATEST

3.0625, 4.210, 5, 5.477

$\frac{49}{16}$ , $\frac{80}{19}$ , $\sqrt{25}$ , $\sqrt{30}$ ,

Therefore, from the given answer options, we conclude that the list which

shows values in order from LEASE to GREATEST is:

$\frac{49}{16}$ , $\frac{80}{19}$ , $\sqrt{25}$

6 0

3 years ago

A single die is rolled twice. find the probability of rolling an odd number the first time and a number greater than 3 the secon

Lisa [10]

$|\Omega|=6\cdot6=36\\ |A|=3\cdot3=9\\\\ P(A)=\dfrac{9}{36}=\dfrac{1}{4}=25\%$

8 0

3 years ago