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3 years ago

What is 6,345 rounded to the nearest thousand?

Mathematics

2 answers:

dalvyx [7]3 years ago

8 0

If it's to the thousands it's 6,000

butalik [34]3 years ago

4 0

If it's below 6,500 then round it to 6,000. But if you have a number above 6,500 then round to 7,000. So since it's 6,345 you would round it to 6,000

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A. Is the statement "Every elementary row operation is reversible" true or false? Explain.

Tatiana [17]

Answer:

This statement is "TRUE".

Step-by-step explanation:

Every elementary row operation is reversible. You can get the reverse answer by multiplying by a constant or by multiplying by its inverse. You can add one row to another row and subtract row 1 from row 2 to get it back.

3 0

2 years ago

The table shows the number of candid pictures of students for the yearbook for two consecutive years. Year Number of Photos 2015

Elena-2011 [213]

Answer:

The percentage decrease in the number candid student pictures for the yearbook from 2015 to 2016 is approximately 9.3 percent

Step-by-step explanation:

The given data can be presented as follows

Year ${}$ Number of Photos

2015 ${}$ 236

2016 ${}$ 214

The percentage decrease in the number of candid pictures is give by the following formula

$Percentage \ Decrease = \dfrac{Original \ Value- New \ Value}{Original \ Value} \times 100$

Where;

Original value for the number of pictures = 236

New value for the number of pictures = 214

Substituting the values into the equation for the percentage decrease gives;

$Percentage \ Decrease = \dfrac{236- 214}{236} \times 100 = \dfrac{550}{59} \ percent\approx 9.3 \%$

The percentage decrease is approximately 9.3 percent.

4 0

2 years ago

Please answer i need to submit soon

Aleksandr-060686 [28]

Answer:

15 rides because I had gotten this correct on my test

6 0

2 years ago

Help asap!<br><br> Thanks in advance!<br><br> There's two questions btw:)

lutik1710 [3]

Answer:

[1].

Option A and D are correct.

[2].

Option A is correct

Step-by-step explanation:

[1].

Quadratic function states that it is an equation of second degree i.,e it contains at least one term that is squared.

The standard form of the quadratic equation is; $ax^2+bx+c = 0$

$y(y+4)-y = 6$

Using distributive property: $a\cdot (b+c) = a\cdot b + a\cdot c$

$y^2+4y-y=6$

Combine like terms;

$y^2+3y = 6$

$y^2+3y -6=0$ which represents a quadratic equation.

$3a-7 = 2(7a-3)$

$3a-7 = 14a-6$

$11a+1 = 0$ which is not a quadratic equation.

(3x+2)+(6x-1) = 0

Combine like terms;

9x +1 = 0 which is not a quadratic equation.

4b(b) = 0

$4b^2 = 0$ which represents the quadratic equation.

[2].

Given the parent function: $y=x^2$

The reflection rule over x axis is given by;

$(x, y) \rightarrow (x, -y)$

then

the function become: $y = -x^2$

Vertical shift:

If c is a positive real number, the graph y=f(x)+c is the graph of y =f(x) shifted upward c units.

If c is a positive real number, the graph y=f(x)-c is the graph of y =f(x) shifted downward c units.

then;

The graph $y=-x^2-3$ is the graph of $y=-x^2$ shifted 3 units down.

Therefore, the translation of the graph of $y=x^2$ to obtain $y=-x^2-3$ is, reflect over the x-axis and shift down 3

6 0

3 years ago

How do you find the measure of an angle if it’s six times the supplementary angle?

Romashka [77]

Basic facts:

1. Complementary angles add upto 90 degrees

2. Supplementary angles add upto 180 degrees

Let us consider the angle as x degrees

Therefore its complementary angle will be (90 - x) degrees

Also its supplementary angle will be (180 - x) degrees

As per the question the supplement of the angle is 6 times its complement angle.

Therefore we can write the equation as:

180 - x = 6 x (90 - x)

or, 180 - x = 540 - 6x

or, 180 - x + 6x = 540 (Bring the variables to left side)

or, -x + 6x = 540 - 180 (bring the numbers to the right side)

or, 5x = 360

or 5x/5 = 360/5 (divide both sides by 5)

or, x = 72

Therefor the angle is 72 degrees

Complement = 90 - 72 = 18 degrees

Supplement = 180 - 72 = 108 degrees

7 0

3 years ago