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3 years ago

Consider this Expression.

Mathematics

2 answers:

MrMuchimi3 years ago

6 0

Answer:

The answer is -4x^2-7x-5

Step-by-step explanation:

Alex Ar [27]3 years ago

3 0

Answer:

Box 1 = -4

Box 2 = -3

Box 3 = -5

Step-by-step explanation:

-4 $x^{2}$ + 2x - 5(1 + x)

=> -4 $x^{2}$ + 2x - 5 - 5x

=> -4 $x^{2}$ + (2x + - 5x) -5

=> -4 $x^{2}$ - 3x - 5

This equation can no more be divided / simplified, so,

The answer = -4 $x^{2}$ - 3x - 5

So, in the boxes, the answer will be,

Box 1 = -4

Box 2 = -3

Box 3 = -5

If my answer helped, kindly mark me as the brainliest!!

Thank You!!

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HELP PLZZZZ !!!!!!!!!!!!

jeyben [28]

The answer to your question is B

4 0

3 years ago

Given :

pashok25 [27]

$\\ \sf\longmapsto A=(1-4)-(2+1)$

$\\ \sf\longmapsto A=-3-3$

$\\ \sf\longmapsto A=-6$

$\\ \sf\longmapsto B=(3-\dfrac{1}{2})-(2-4)$

$\\ \sf\longmapsto B=\left(\dfrac{5}{2}\right)+2$

$\\ \sf\longmapsto B=\dfrac{5+4}{2}$

$\\ \sf\longmapsto B=\dfrac{9}{2}$

Now

$\\ \sf\longmapsto AB=-6\times \dfrac{9}{2}$

$\\ \sf\longmapsto AB=-3(9)$

$\\ \sf\longmapsto AB=-27$

$\\ \sf\longmapsto \dfrac{9}{2}\times (-6)$

$\\ \sf\longmapsto 9(-3)$

$\\ \sf\longmapsto -27$

Observed:-

$\\ \sf\longmapsto AB=BA$

8 0

2 years ago

A simple random sample of 20 third-grade children from a certain school district is selected, and each is given a test to measur

ICE Princess25 [194]

Answer:

Option C) 5.62 points

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 20

Sample mean score = 64

Sample standard deviation, s = 12

Degree of freedom =

$=n-1\\=20-1\\=19$

We have to calculate margin of error for a 95% confidence interval.

Formula for margin of error:

$t_{critical}\times \displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 19 and}~\alpha_{0.05} = \pm 2.093$

$2.093\times (\displaystyle\frac{12}{\sqrt{20}} )\\\\ =5.6161\approx 5.62$

Thus, the correct answer is

Option C) 5.62 points

4 0

3 years ago

Does anyone know this

Dmitriy789 [7]

Answer: you minus the equations you have to get the equation that you want so it all can add up to that *

Step-by-step explanation:

3 0

3 years ago

6) Which relation describes a function? A) {(0, 0), (0, 2), (2, 0), (2, 2)} B) {(−2, −3), (−3, −2), (2, 3), (3, 2)} C) {(2, −1),

navik [9.2K]

Answer:

B) {(−2, −3), (−3, −2), (2, 3), (3, 2)}

Step-by-step explanation:

B) {(−2, −3), (−3, −2), (2, 3), (3, 2)}

each input of x (-2), (-3), (2), (3) does not have duplicated output value

6 0

3 years ago

Consider this Expression.​

Consider this Expression.