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3 years ago

17 less than the quantity 5 times a number

Mathematics

2 answers:

amid [387]3 years ago

7 0

17<5×1? I think might be the answer

natita [175]3 years ago

4 0

5diviedby17timesX that's ur answer

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Solve quadratic equations by factoring x cubed +3x squared - 4x= 0

Papessa [141]

x cubed +3x squared - 4x= 0
= x^3 + 3x^2 -4x = 0
=x(x^2 +3x -4) = 0
= x (x+4)(x-1) = 0

x = 0
x+ 4 = 0 then x = -4
x - 1 = 0 then x = 1
answer: x = 0, x = -4 and x = 1

8 0

3 years ago

Read 2 more answers

Given a sample mean difference of 23, a standard error of 4.2, and a critical t value of 2.262, what are the values for the conf

erastova [34]

Answer: (13.4996, 32.5004)

Step-by-step explanation:

The confidence interval for mean difference is given by :-

$(\overline{x}_1-\overline{x}_2)\pm t^*\times SE$ ,

where $(\overline{x}_1-\overline{x}_2)$ = sample mean difference .

$t^*$ = critical t value (two-tailed)

SE= Standard error.

Given : $(\overline{x}_1-\overline{x}_2)=23$

$t^*=2.262$

SE= 4.2

Now, the confidence interval for mean difference will be :-

$23\pm (2.262)\times (4.2)\\\\= 23\pm9.5004\\\\=(23-9.5004,\ 23+9.5004)\\\\=(13.4996,\ 32.5004)$

Hence, the required confidence interval : (13.4996, 32.5004)

8 0

3 years ago

What is the circumference of the following circle? d=4 PLEASE HURRY

forsale [732]

Answer:

12.57

Step-by-step explanation:

12.57

I used a calc have a good day!

4 0

2 years ago

Evaluate the power: (−3)^4 A. 81 B. -81 C. 243 D. -331

Agata [3.3K]

Answer:

The answer is 81.

Step-by-step explanation:

Since the power of 4 is even, the result will be positive.

${3}^{4}$

Simplify.

$81$

hence, the answer is Option A) 81.

7 0

3 years ago

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Which equation is a point-slope form of the equation of this line?

steposvetlana [31]

Slope = (7 -1)/(1+2) = 6/3 = 2

equation of point-slope form

y - 1 = 2(x + 2)

hope it helps

8 0

3 years ago

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