Which expression means the same as "25 less than 5y"?
A. 5y - 25
B. 25 - 5y
C. 5y - 25
D. 25 = 5y

Answer:

(a) discriminant is positive, 76

(b) the above tells you there are two real roots

Step-by-step explanation:

the discriminant is 'b² - 4ac'

3x² - 2x - 6 = 0  ∴ a = 3, b = -2, c = -6

(-2)² - 4(3)(-6) = 4 + 72

(a) The discriminant of the quadratic equation is positive, 76.

(b) The quadratic equation tells you there are two real roots.

A quadratic equation is a polynomial with a degree of 2 or the maximum power of the variable is 2 in quadratic equations. It has two solutions as its maximum power is 2.

The discriminant of a polynomial in mathematics is a quantity that depends on the coefficients and enables inference of some root features without computing them.

Given that the quadratic equation 3x²-6=2x.

The discriminant Of the quadratic equation is calculated by the formula below:-

D = b² - 4ac

3x² - 2x - 6 = 0  ∴

a = 3, b = -2, c = -6

Put the value of the coefficient to get the value of the discriminant.

D = (-2)² - 4(3)(-6) = 4 + 72 = 76

Therefore, the discriminant of the quadratic equation is positive, 76, and the quadratic equation tells you there are two real roots

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Answer:

Write  

1

as a fraction with a common denominator.

−

√

5

5

−

3

5

Combine the numerators over the common denominator.

−

√

5

−

3

5

Subtract  

3

from  

5

.

−

√

2

5

Rewrite  

√

2

5

as  

√

2

√

5

.

−

√

2

√

5

Multiply  

√

2

√

5

by  

√

5

√

5

.

−

(

√

2

√

5

⋅

√

5

√

5

)

Combine and simplify the denominator.

Tap for more steps...

−

√

2

√

5

5

Simplify the numerator.

Tap for more steps...

−

√

10

5

The result can be shown in multiple forms.

Exact Form:

−

√

10

5

Decimal Form:

−

0.63245553

…

()|[]√≥°

789≤θ

456

Answer:

You will have $17,336,862 by the end of the ten years

Step-by-step explanation:

The equation for compound interest is the amount(1+rate)^time

fill out the equation for 2,800,000(1.2)^10

2,800,000(6.19173642)

17336862

You will have $17,336,862 by the end of the ten years

Answer:

c

Step-by-step explanation:

Answer:

it is 6...................

Answer:

it looks dead ..............

Answer:

I read the title wrong, please remove my answer

Step-by-step explanation:

Answer:

P.y = [tex]4^{x}[/tex]

Step-by-step explanation:

From the given question, since Jesse sends the email to 4 people and the 4 people rebroadcast it to another 4 persons each. And this process continues for a required or given round x, then this is an example of an exponential function.

Thus, the number of emails sent for a given round can be expressed as;

                    y = [tex]4^{x}[/tex]

Therefore, the appropriate answer is y = [tex]4^{x}[/tex].

So that for four rounds (x = 4), the number of emails sent can be determined as;

y = [tex]4^{x}[/tex]

  = [tex]4^{4}[/tex]

y = 256

Answer: y=4^x

Step-by-step explanation:

Exponential growth

Y=ab^x

Answer: [tex]6, 9\ \text{units}[/tex]

Step-by-step explanation:

Given

The Sum of length and width is [tex]15\ units[/tex]

length is 3 units more than the width

width is [tex]x[/tex]

length is [tex]x+3[/tex]

Their sum is 15

[tex]\Rightarrow x+x+3=15\\\Rightarrow 2x=12\\\Rightarrow x=6\ \text{units}[/tex]

Length is [tex]x+3=9\ \text{units}[/tex]

Width is  [tex]x=6\ \text{units}[/tex]

Answer:

i would recomend tiger algeabra

Step-by-step explanation:

Answer:

C. The domain is all real numbers, and the range is all real numbers less than or equal to 4.

Step-by-step explanation:

Answer:

V = 1385.44

Step-by-step explanation:

The equation for volume is V = π r 2 h! Where V = volume, r = radius (half the diameter), and h = height. Now lets substitute what we know into this equation!

Since we are giving the diameter (14) we must divide by 2 to find the radius.

                         14 ÷ 2 = 7

Radius = 7

Height = 9

V = ?

Time to plug these values in!

V = π [tex]7^{2}[/tex] (9)

We have to distribute pi to 7 square that term and then multiply the value by 9.

V = 1385.44

Hope this Helps! :)

Have any questions? Ask below in the comments and I will try my best to answer.

-SGO

Answer: 240 square foot room

Step-by-step explanation: They ask for how many square feet in 1 hour which is double the 1/2 hour. So, just do 120x2=240 to get your answer! (Don’t forget to label ,square-feet,)

Answer:

17

Step-by-step explanation:

In triangle ABD,

By pytagoras theorem,

s^2 = 8^2 + 15^2

= 64 + 225

s^2 = 289

s = 17 units

Answer:

A

Step-by-step explanation:

Answer:

15,840 i did this in test and got 100%

Step-by-step explanation:

The total feet ran by Rachel is given by the equation A = 15,840 feet

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

Let the total miles ran by Rachel be A = 3 miles

Now , the value of 1 mile = 5,280 feet

Substituting the values in the equation , we get

The distance of 3 miles in feet = 3 x value of 1 mile

On simplifying the equation , we get

The distance of 3 miles in feet = 3 x 5,280

The distance of 3 miles in feet = 15,840 feet

Therefore , the distance ran by Rachel A = 15,840 feet

Hence , the equation is A = 15,840 feet

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Answer:

38 degrees

Step-by-step explanation:

this is an isosceles triangle, meaning that the base angles are congruent.

the total triangle is equal to 180

so the equation would be: x=180 - (71+71)

evaluate:

x=180-142

x=38 degrees

Hope this helps :)

In the rectangular coordinate system, every point is represented by an ordered pair. The first number in the ordered pair is the x-coordinate of the point, and the second number is the y-coordinate of the point.

Answer: -48

Step-by-step explanation:

Answer:

x=-14

Step-by-step explanation:

Expand 8(3x+6)

a=8 b=3x c=6

=8*3x+8*6

Simplify; 8*3x+8*6

=24x+48

Expand 9(2x-4)

a=9, b=2x, c=4

=9*2x-9*4

Simplify;9*2x-9*4

=18x-36

24x+48=18x-36

Subtract 48 from both sides;

24x+48-48=18x-36-48

Simplify;

24x=18x-84

Subtract 18x from both sides;

24x-18x=18x-84-18x

Simplify;

6x=-84

Divide both sides by 6;

6x/6=-84/6

Simplify; 6x/6

=x

Simplify ; -84/6

x=-14

Helped by none other than the ONE & ONLY #QUEEN herself #DRIPPQUEENMO !

Answer:

(x+8)= 10 so 8 subtracted from 8 is zero and 8 subtracted from 10 is 2 so the

the answer is 2

Answer:

14

Step-by-step explanation:

To evaluate 95 minus 3, four times

95 - 3⁴

95 - (3 * 3 * 3 * 3)

95 - (81)

95 - 81

= 14

Hence, 95 - (3 * 3 * 3 * 3) = 14

Answer:

1Kg=1000g

sally has 2 kg apples in her bag

so 2kg ×1000g=2000g

number 1 is the answer circle FA

Answer:

The answers are B and E

Step-by-step explanation:

The square root of 4 is 2.

The cube root of 8 is 2.

A is wrong because its value is 4.

C is wrong because its value is 4.

D is wrong because the square root of 8 isn't whole.

Answer:

E. √4

B. ³√8

Step-by-step explanation:

You can find this simply by putting it into a calculator if you have access to one. Just type √ and 4. If you don't have a calculator, you can just use the knowledge that 2 × 2 = 4, hence why it's the square root of 4 :)

You can also determine that B is correct by doing 2 to the power of 3.

2³ = 8, so you know that B is correct too.

The transformations that can be used to map a triangle with vertices A(2, 2), B(4, 1), C(4, 5) to A’(–2, –2), B’(–1, –4), C’(–5, –4) is C. a 90 clockwise rotation about the origin and a reflection over the y-axis

This refers to the mathematical process where one figure or expression is changed from one form to another that has or contains a similar value.

Given the pair of points (x, y) in the original image, it has been transformed to (-y, -x).

If we allow ABC to be first transformed onto A"B"C" by a 90° clockwise rotation, this would result in:

B(4, 1) being mapped onto B''(1, -4).

Therefore, the rule mapping ABC to A"B"C"   is (x, y)→(y, -x)

With this, we can conclude that the transformation that maps (y, -x) to (-y, -x) is a reflection with respect to the y-axis

Option C is the correct transformation.

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Answer:

C

Step-by-step explanation:

Answer:

well ik it's 7 billion something and then I searched up and the closest would be C

Answer:

The answer would be C because the world population is at about 7.9 billion as of right now.

Answer:

C

Step-by-step explanation:

68 - 80 / 80

= - 12 / 80

= - 3 / 20

= - 15%

Answer:

B. y = 30x

Step-by-step explanation:

Answer:

The answer to this problem is B)y = 30x

Step-by-step explanation:

Answer:

Area = 559.17 sq ft

Step-by-step explanation:

Area (rectangle) = 18 x 24 = 432

Area (semi-circle = πr²÷2 = 81π/2 = 127.17