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3 years ago

Is ABC-DEC? Explain

Mathematics

2 answers:

Romashka [77]3 years ago

8 0

I’m sure the answer is c have a amazing day

iren2701 [21]3 years ago

4 0

It should be C
Have a good day!!

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By what percentages are Sweden's high category and medium category less than the United States' categories (to the nearest perce

Korolek [52]

REQUIRED CHART :

The required chart has been attached

Answer:

31.8%

30.0%

Step-by-step explanation:

Required :

To obtain the Difference between Sweden and United States high and medium categories to the nearest %

Sweden :

High category = $23.51

Medium category = $15.73

United States :

High category = $34.48

Medium category = $22.46

Percentage Difference :

High category : (34.48 - 23.51) / 34.48 * 100% = 31.8%

Medium category : (22.46 - 15.73) / 22.46 * 100% = 29.96% = 30.0%

7 0

3 years ago

a cylindrical tank with radius 3 m is being filled with water at a rate of 3 m3/min. how fast is the height of the water increas

JulsSmile [24]

Answer:

≈0.14m/min

Step-by-step explanation:

6 0

3 years ago

HELP WILL MARK BRAINLIEST!!!

Rainbow [258]

Answer:

Let's see what to do buddy..

Step-by-step explanation:

_________________________________

STEP (1)

We know that the quadratic functions form are like this :

$y = a \: {x}^{2} + b \: x + c$

The quadratic function opens upward so ;

$a > 0$

The axis of parabolic symmetry passes through the vertex of the parabolic.

So we know that x vertex is equal to -2.

The vertex's x is finding from this equation:

$x = - \frac{b}{2a} \\$

So we have :

$- 2 = - \frac{b}{2a} \\$

Multiply the sides of the equation by <em>2</em><em>a</em> :

$b = 4a$

_________________________________

STEP (2)

A quota passes through points (-3,2) and (0,11) , so points (-3,2) and (0,11) must be true in the quota equation.

$y = f(x) = a{x}^{2} + bx + c \\ \\b = 4a \\ \\ y = f(x) = a {x}^{2} + 4ax + c$

$f( - 3) = 2 \\ \\ a ({ - 3})^{2} + 4a( - 3) + c = 2 \\ \\ 9a - 12a + c = 2 \\ \\ - 3a + c = 2 \\ \\ \\ \\ f(0) = 11 \\ \\ a ({0})^{2} + 4a(0) + c = 11 \\ \\ c = 11$

$- 3a + c = 2 \\ \\ c = 11 \\ \\ - 3a + 11 = 2 \\ 11 \: goes \: to \: the \: other \: side \: \\ \\ - 3a = 2 - 11 \\ - 3a = - 9 \\ divided \: the \: sides \: of \: the \: equation \: by \: - 3 \\ a = 3$

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

6 0

3 years ago

Based on corresponding angles and vertical angles which angles must always be congruent to the angles given

Paraphin [41]

Answer:

Step-by-step explanation:

Stop cheating

8 0

2 years ago

A square field has an area of 479 ft2. What is the approximate length of the field

anzhelika [568]

To determine the approximate length of the square field simply take the square root of the square area.

A = s^2 = 479 ft ^2

s^2 = 479
s = sq root of 479
s = 21.88 ft or approximately 21.9 or 22 ft.

The approximate length of the field is 22 feet.

5 0

2 years ago