Which of the following is the same as 2.3×10^3

Answers

Answer 1
Answer: The answer would be C) 2,300.
Answer 2
Answer:

Answer:

Step-by-step explanation:

10 times 10 is 100. then 10 times that is 1000. multiply that by 2.3 and you get 2300. hope thats easy enough to understand. :)


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Which of the following graphs represents the solution set for 7(4x – 1 ) + 6x > –279? PLEASE HELP

Answers

The solution is,  graph is D ,which  graphs represents the solution set for 7(4x – 1 ) + 6x > –279.

What is inequality?

An inequality is a relation which makes a non-equal comparison between two numbers or mathematical expressions.

here, we have,

First, solve the inequality:

7(4x – 1 ) + 6x > –279

solving we get,

34x>-272

x>-8

Since x is greater than -8, you have the arrow point up the graph towards the positive side starting at -8.

Since it's greater than but not equal to -8, the circle is open.

Thus, The solution is,  graph is D.

To learn more on inequality click:

brainly.com/question/24853349

#SPJ2

First, solve the inequality:
7(4x - 1 ) + 6x \ \textgreater \  -279\n28x-7+6x\ \textgreater \ -279\n34x\ \textgreater \ -272\nx\ \textgreater \ -8
Since x is greater than -8, you have the arrow point up the graph towards the positive side starting at -8.
Since it's greater than but not equal to -8, the circle is open.

Thus your graph is D.

Simplify.A.
–28xy

B.
–28

C.
28xy

D.
27

Answers


Your attachment says:            (-1/2) · (4x) · (-2) · (7y) · (-1)

Let's put together the
1st, 3rd, and 5th factors:        (-1/2) · (-2) · (-1)  =  -1

So now we have                      (-1) · (4x) · (7y)

Well                                           (4x) · (7y)  =  (4 · 7) · (x · y)  =  28 · x · y

So all together we have          (-1) · (28 · x · y)  =  -28xy  


\left(-(1)/(2)\right)(4x)(-2)(7y)(-1)\n\n=\left(-(1)/(2)\right)(-2)(4)(7)(-1)(x)(y)\n\n=(1)(4)(7)(-1)(xy)\n\n=(28)(-1)(xy)\n\n=(-28)(xy)\n\n=\boxed{-28xy}\to\boxed{\boxed{A}}

Sherry and Karl both started their hike with a small bottle filled with water. Tia started her hike with a larger bottle that was ½ full. At the end of the hike, Sherry and Tia's bottles were each half filled with water. Karl's bottle was ⅓ filled with water. Who has the most water left? Construct a math argument to support your answer.

Answers

Answer:

Sherry is the wonner,winner, kark is burning

What is half of a quarter of 400?

Answers


A quarter is 100 and half of that is 50
so what is 1/2 times 1/4 times 400 or
what is 1/8 of 400
the answer is 50

A circle is inscribed in an equilateral triangle. A point in the figure is selected at random. Find the probability that the point will be in the part that is NOT shaded. A. About 25%
B. About 40%
C. About 60%
D. About 50%

Answers

If r is the radius of the circle, then the side length of the triangle is 2r\sqrt3.

The area of the circle is \pi r^2, while the area of the triangle is 3r^2\sqrt3.

So, the probability of selecting a random point in the white space is

1-(\pi r^2)/(3r^2\sqrt3)=1-(\pi)/(3\sqrt3)\approx0.395\approx40\%

Answer:

about 60%

Step-by-step explanation:

just took the test

Which equation represents the vertical line passing through (7,-3)A. x=-3
B. y=-3
C. x=7
D. y=7

Answers

Answer:

B- y=-3

Step-by-step explanation: