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3 years ago

3ft 2ft xft what is the answer it's really hard

Mathematics

1 answer:

salantis [7]3 years ago

8 0

Answer:

The Poor Ball By Hemapriya Mekala

3ft

8ft

72*

10ft

xft

64*

Step-by-step explanation:

did it help I hope it helped

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Solve each equation (quadratic pattern)

dusya [7]

Answer: x = 2

Step-by-step explanation:

$2^{2x}-2^x-12=0\\\\\text{Let u = }2^x\\\\u^2-u-12=0\\(u-4)(u+3)=0\\\\u-4=0\quad and\quad u+3=0\\u=4\qquad and\quad u=-3\\\\\text{Substitute u with }2^x\\2^x=4\qquad and \quad 2^x=-3\\2^x=2^2\quad and\quad \text{not possible}\\\boxed{x=2}$

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Answer: x = 0

Step-by-step explanation:

$3^{2x}+3^{x+1}-4=0\\\\3^{2x}+3^x\cdot3^1-4=0\\\\\text{Let u = }3^x\\u^2+3u-4=0\\\\(u+4)(u-1)=0\\\\u+4=0\quad and\quad u-1=0\\u=-4\qquad and\quad u=1\\\\\text{Substitute u with }3^x\\3^x=-4\qquad and\quad 3^x=1\\\text{not possible}\ and\quad 3^x=3^0\\.\qquad \qquad \qquad \qquad \boxed{x=0}$

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Answer: No Solution

Step-by-step explanation:

$4^x+6\cdot 2^x+8=0\\\\2\cdot 2^x+6\cdot 2^x+8=0\\\\\text{Let u = }2^x\\2u+6u+8=0\\8u+8=0\\8u=-8\\u=-1\\\\\text{Substitute u with }2^x\\2^x=-1\\\text{not possible}$

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Answer: No Solution

Step-by-step explanation:

$9^x=3^x-6\\\\3\cdot 3^x=1\cdot 3^x-6\\\\\text{Let u = }3^x\\\\3u=u-6\\2u=-6\\u=-3\\\\\text{Substitute u with }3^x\\3^x=-3\\\text{not possible}$

6 0

3 years ago

Question 1 (2 points) Find the slope and y-intercept for the graph below. m b

Maru [420]

Answer:

The slope is:

$\frac{5}{2}$

The y-intercept is:

-3

3 0

3 years ago

PLEASE HELP NOW !!!!!!!!! Please answer blank spaces with the correct answers, I will literally do anything in return, I can cas

AlexFokin [52]

Answer:

You can Ask nicely about that,

we are not doing your homework for you.

if you have question, put it on the question.

not giving us a doc.

We do not want anything returned

Thankyou

8 0

3 years ago

In a recently administered iq test, the scores were distributed normally, with mean 100 and standard deviation 15. what proporti

iragen [17]

To solve for proportion we make use of the z statistic. The procedure is to solve for the value of the z score and then locate for the proportion using the standard distribution tables. The formula for z score is:

z = (X – μ) / σ

where X is the sample value, μ is the mean value and σ is the standard deviation

when X = 70

z1 = (70 – 100) / 15 = -2

Using the standard distribution tables, proportion is P1 = 0.0228

when X = 130

z2 = (130 – 100) /15 = 2

Using the standard distribution tables, proportion is P2 = 0.9772

Therefore the proportion between X of 70 and 130 is:

P (70<X<130) = P2 – P1

P (70<X<130) = 0.9772 - 0.0228

P (70<X<130) = 0.9544

Therefore 0.9544 or 95.44% of the test takers scored between 70 and 130.

6 0

4 years ago

The figure shows the graph of f(x) as a solid curve and the graph of g(x) as a dashed curve which equation describes the relatio

Olenka [21]

Answer:

A. g(x) = f(x - 6) + 2

Step-by-step explanation:

Vertex moves from:

(-6,-2) to (0,0)

g(x) = f(x - 6) + 2

4 0

3 years ago