Pick all of correct solutions
1/5+3/5+5/2

9514 1404 393

Answer:

  (ii) center: (-3, 6)

  (iii) A(-3, 6-√51), B(7, 6), D(-3, 6+√51), H(-13, 6)

  (iv) (x +3)²/100 +(y -6)²/51 = 1

Step-by-step explanation:

(ii) The center is the midpoint between the foci:

  center = ((-10, 6) +(4, 6))/2 = (-10+4, 6+6)/2

  center = (-3, 6)

__

(iii) The vertices are the center plus or minus the semi-major axis length in the x-direction: (-3±10, 6).

The semi-minor axis length is the root of the difference of squares of the semi-major axis and the center-focus distance:

  semi-minor axis = √(10² -7²)

  semi-minor axis = √51

So, the co-vertices are the center plus or minus this value in the y-direction: (-3, 6±√51)

Using the labeling in the drawing the various points are ...

  A(-3, 6-√51), B(7, 6), D(-3, 6+√51), H(-13, 6)

__

(iv) For center (h, k) and semi-axis lengths 'a' and 'b' the equation of an ellipse is ...

  (x -h)²/a² +(y -k)²/b² = 1

For the center and axes here, the equation is ...

  (x +3)²/100 +(y -6)²/51 = 1

Answer:

c

Step-by-step explanation:

Answer:

There are 42 oak trees and 70 pine trees. The solution is nonviable.

Step-by-step explanation:

:)

Answer:

3.5÷5

Step-by-step explanation:

It's asking what problem can be solved by doing 3.5 ÷ 5

the problem is 3.5 ÷ 5

Answer:

Step IV; Tommy must set the quadratic expression equal to 0 before factoring.

plz give brainlyest

It is found that in Step IV; Tommy must set the quadratic equations equal to 0 before factoring and then solving.

A quadratic equation is the second-order degree algebraic expression in a variable. the standard form of this expression is  ax² + bx + c = 0 where a. b are coefficients and x is the variable and c is a constant.

Given that the system of a linear equation and a quadratic equation.

2x – y = –1

x² – 5x – y = –7

Now Tommy had completed the following steps in his algebraic solution process but could not factor the resulting quadratic equation as;

x²  – 7x – 1,

Step I: y = 2x + 1

Step II: x²  – 5x – (2x + 1) = –7

Step III: x²  – 5x – 2x – 1 = –7

Step IV: x²  – 7x – 1 = –7

Therefore, we conclude that in Step IV; Tommy must set the quadratic equations equal to 0 before factoring and then solving.

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BE? I don't really know lol

Answer:

52°

Step-by-step explanation:

Linear pair: If the non-common arms of two adjacent angles from a line, then they are called linear pair and they add up to 180.

x + 128 = 180   {linear pair}

       x   = 180 - 128

       x = 52°

Answer:

She forgot to add the zero when she multiplied 27 x 50

Step-by-step explanation:

If you need one ask me I can try my best to explain

Answer:

A

C

and
D

Step-by-step explanation:

Answer:

320 minus 7.50 p

Explanation:

the florist earned 320 dollars and then lost money due to having a competitor deliver, since we dont know the amount of people who chose competitors we use the term p next to the amount that p is worth because each time a customer uses a competitor it costs 7.50 out of the original 320.

The value of the discriminant of the given quadratic equation is 0.

The part in the formula of a quadratic equation that helps us to know the nature of the roots of a quadratic equation is known as a discriminant.

D = b² - 4ac,

Given the quadratic equation 4x² +4x + 1, if this equation is compared with the general quadratic equation. Then the value of the variables can be written as,

a = 4

b = 4

c = 1

Now, the value of the discriminant of the equation can be written as,

D = b² - 4ac

   = (4)² - 4(4)(1)

   = 16 - 16

   = 0

Hence, the value of the discriminant of the given quadratic equation is 0.

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Answer:

i think it should be option C.......

Answer:

X=-5

Step-by-step explanation:

Answer:

x = −5

Step-by-step explanation:

8x – 10 = 4x –30

-4x           -4x

4x - 10 = -30

    +10    +10

4x = -20

/4      /4

x = -5

Answer:

8+x=13

Step-by-step explanation:

Answer:

13-8=r

r=roses she cut

Step-by-step explanation:

you take away how many roses there were in the begining from the amount she started with and you get r (the amount of roses she cut).

The reciprocal of 4/7 is 7/4

Answer:

21.6 feet.

Step-by-step explanation:

By proportion that is (9/5) * 12

= 1.8 * 12

= 21.6 feet.

Answer:

2/3

Step-by-step explanation:

one hundred percent positive

Answer:

2/3

Step-by-step explanation:

The way we divide fractions like this is to take the inverse of the divisor (second fraction) and multiply.  So 1/6 x 4/1 = 4/6 which reduces to 2/3.

Answer:

Step-by-step explanation:

We will apply the definition of the derivative. Then we use algebra to expand and simplify the numerator. Next, we can cancel a factor of

h

in the numerator and denominator since

h

is approaching zero but not actually equal to zero. Finally, we can simply substitute zero for

h

to evaluate the limit.

f

′

(

x

)

=

lim

h

→

0

f

(

x

+

h

)

−

f

(

x

)

h

=

lim

h

→

0

(

x

+

h

)

2

−

2

(

x

+

h

)

+

3

−

(

x

2

−

2

x

+

3

)

h

=

lim

h

→

0

2

x

h

−

2

h

+

h

2

h

=

lim

h

→

0

2

x

−

2

+

h

=

2

x

−

Answer:

n = 73

Step-by-step explanation:

8² = x ==> x = 64

x + 12 = y ==> y = 64 + 12 = 76

y – 3 = n ==> n = 76 – 3 = 73

Follow my account ^^

Answer:

B is correct because there cannot be negative people in a cafeteria.

Step-by-step explanation:

Answer:

number. 3 hope this helps

The value of x and y from the given parallel lines are 140° and 40° respectively.

Given that, straight line m parallel to straight line n and t is the transversal.

Vertical angles theorem or vertically opposite angles theorem states that two opposite vertical angles formed when two lines intersect each other are always equal (congruent) to each other.

Here, y°+140°=180° (Adjacent angles on straight line)

y°=40°

y°+z°=180° (Allied angles adds upto 180°)

40°+z°=180°

z°=140°

Now, x=140° (Vertically opposite angles are equal)

Therefore, the value of x and y from the given parallel lines are 140° and 40° respectively.

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The logarithmic statement [tex]log_bx=log_bc \cdot log_cx[/tex]  is true.

Logarithm is a mathematical operator that is used to simplify the exponential equations .

The logarithm is exponentiation's opposite function in mathematics. This indicates that the base b of another fixed number, the logarithm of a given number x, is the exponent that must be raised in order to obtain the given number x.

The exponential equation logₓy=n is equivalent to xⁿ=y.

The properties of Logarithmic equations are:

Now the given expression is of the form: [tex]log_bx=log_bc \cdot log_cx[/tex]

We know that [tex]log_bc=\frac{log_nc}{log_nb}[/tex]  and  [tex]log_cx=\frac{log_cx}{log_nc}[/tex]

let n=[tex]log_bc=\frac{log_nc}{log_nb}[/tex]  and p=[tex]log_cx=\frac{log_cx}{log_nc}[/tex]

Now for the right side of the equation we have:

n×p

[tex]log_bc \cdot log_cx[/tex]

This can be written as:

[tex]or, \frac{log_nc}{log_nb}\cdot\frac{log_cx}{log_nc}\\or, \frac{log_cx}{log_nb}\\or, log_bx[/tex]

which is equivalent to the left side of the equation.

Hence the statement [tex]log_bx=log_bc \cdot log_cx[/tex] is true.

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Answer:

You chose the correct option on the picture

x = -4; x = 12

Step-by-step explanation:

You solve for x by simplifying both sides of the equation, then isolating the variable.

If any individual factor on the left side of the equation is equal to 0, the entire expression will be equal to 0.

x + 4 = 0
x − 12 = 0

Set x + 4 equal to 0 and solve for x.

Set x+4 equal to 0.

x+4=0

Subtract 4 from both sides of the equation.

x = −4

Set x − 12 equal to 0 and solve for x.

Set x−12 equal to 0.

x−12=0

Add 12 to both sides of the equation.

x=12

The final solution is all the values that make (x+4)(x−12)=0 true.

x=−4,12

Sorry for taking a while but have a good day

Answer:

_

z=96x

(line on top of the nine)

Step-by-step explanation:

Answer:

It is a straight line because the x and y values are proportional.

Step-by-step explanation:

Answer:

it looks like a straight line thru the origin

Answer:

e

Step-by-step explanation:

Answer:

55%

Step-by-step explanation:

40 - 18 = 22

22/40= 55%

Hope this helps!      :3

plz mark as brainliest!

Answer: 545.13

Step-by-step explanation:

Answer:

the first one is a whole number and the other one is a decimal number

thank me later

Step-by-step explanation: