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Aleksandr [31]
2 years ago
13

Find the errors and correct the following mathematical sentences.​

Mathematics
2 answers:
zhuklara [117]2 years ago
6 0

Answer:

The correct answers are:

xii) (x+7)(x+7)

=x^2 +7x +7x +49

=x^2 +14x +49

xiv) (x+4)(x+2)

=x^2 +2x +4x +8

=x^2 +6x +8

xvi) 5x^3 ÷ 5x^3

=1

Levart [38]2 years ago
6 0

Answer:

This is your answer ☺️☺️

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You have 1,000,000 number cubes, each measuring one inch on a side. if you layered the cubes to make one big cube what would be
azamat

Answer:

100 x 100 x 100 number cubes

Step-by-step explanation:

It's basically a volume problem.  The question is asking if you made a big cube filled with smaller cubes , specifically 1,000,000 of them, what are the dimensions of this big cube.  Or in other words the volume is 1,000,000.  Now how do we find the volume of a cube?  length times width times height, and witht he cubes each of those are the same so we can call them all x.

Now we just set up the equation where we have the equation whatever one side is times itself  three times, (or x cubed) it will equal 1,000,000 or x^3=1,000,000,000.  Now you just take the cube root of 1,000,000 which gets us 100.  so the length, width and height are 100 small cubes.

3 0
3 years ago
Can you help me with this math problem​
Marat540 [252]

Answer:

It might be 70 because 5m has the volume of 50 m so maybe 7m in volume is 70?

3 0
3 years ago
Dilations of a triangle are congruent to the original triangle. true or false
7nadin3 [17]

Answer true

Step-by-step explanation:

true

6 0
2 years ago
1-4y^2 in factored form
Anastasy [175]

Answer:

(1 -2y)(1 +2y)

Step-by-step explanation:

The difference of squares is factored as ...

... a² - b² = (a -b)(a +b) . . . . . . . . a form you should keep handy

Here, you have a=1, b=2y, so your factored form is ...

... 1 -4y² = (1 -2y)(1 +2y)

8 0
3 years ago
What is the rate of change between the interval x = ? and x = 3pi/2?
Genrish500 [490]
Are you asking "what is the average rate of change of (the function) on the interval (x, 3pi/2)?"  You need to share the function in question, as well as to supply the value of x.  Please go back to the original question and ensure that you have copied it exactly as it was presented to you.  Again:  specify the function and indicate the value of x, which is the starting value of the interval in question.
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