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3 years ago

Solve for x pls helppppp

Mathematics

1 answer:

viva [34]3 years ago

7 0

Answer:

I think it is 30 degrees.

Step-by-step explanation:

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The area of the top face of a cube is 49cm^3. What is the volume of th cube?

Vlad1618 [11]

Answer:

$V=2401cm^{3}$

Step-by-step explanation:

The fact that the figure is a cube means all sides, faces, and corners are equal.

$V=BHW$

$V=49cm^{2}(W)$

$V=49cm^{2}(49cm)\\ V=2401cm^{3}$

3 0

3 years ago

Can someone help me solve for x

dybincka [34]

Answer:

x=58 degrees

Step-by-step explanation:

A line is 180 degrees. So x+90+32=180. 32+90=122. Now you do 180-122 and you will get 58.

7 0

3 years ago

I need help with these questions for Quadratic functions

STALIN [3.7K]

9514 1404 393

Explanation:

1. The general form of a quadratic in standard form* is ...

$f(x)=ax^2+bx+c$

An example is ...

$f(x)=2x^2+3x-5$

The constant c is the y-intercept, so is the easiest bit of information to obtain in this form.

2. The general form of a quadratic in vertex form can be written as ...

$f(x)=a(x-h)^2+k$

An example is ...

$f(x)=2(x -3)^2 -5$

The ordered pair (h, k) is the vertex of the parabola, so is easy to obtain in this form. Arguably, it may be easier to identify the line of symmetry, x=h, since that requires looking at only one constant, instead of two.

_____

* In the UK, "standard form" is vertex form.

7 0

3 years ago

The Trial Urban District Assessment (TUDA) is a government-sponsored study of student achievement in large urban school district

Bas_tet [7]

Answer:

A. Because the sample size is very large.

Step-by-step explanation:

The sample is quite large, so the t test is safe. With a sample size of at least 100, this test is going to be safe.

So the correct answer is:

A. Because the sample size is very large.

4 0

4 years ago

and United States Lowe's sells particular carpet for $4.88 per square foot in the United Kingdom carpetright sells assembler car

Alisiya [41]

The carpet of United Kingdom carpet-right is cheaper by 3.33 dollars/ft²

Explanation

Price of the carpet in United States Lowe's is 4.88 dollars/ft²

Price of the carpet in United Kingdom carpet-right is 12.99 pound sterling/m²

1 pound sterling = 1.28 US dollars and 1 meter = 3.28 ft . So....

12.99 pound sterling/ m²

$=\frac{(12.99) pound sterling}{(1 meter)^2}\\ \\ = \frac{(12.99*1.28)dollars}{(3.28 ft)^2} =\frac{16.6272 dollar}{10.7584 ft^2}= 1.55 dollar/ft^2$

As the unit price of the carpet per square feet in United Kingdom carpet-right is less than United States Lowe's, so the carpet of United Kingdom carpet-right is cheaper by $(4.88-1.55)dollar/ft^2 = 3.33 dollar/ft^2$

3 0

3 years ago