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Answer:

D)

Step-by-step explanation:

x² + 3x + (3/2)² = 6 - 8 + (3/2)²

(x + 3/2)² = -2 + 9/4

(x + 3/2)² = -8/4 + 9/4

(x + 3/2)² = 1/4

Answer:

D is the answer

Step-by-step explanation:

x² + 3x + (3/2)² = 6 - 8 + (3/2)²

(x + 3/2)² = -2 + 9/4

(x + 3/2)² = -8/4 + 9/4

(x + 3/2)² = 1/4

Hope this helps you ;)

Have a great day

Mark brainliest

Answer:

15

Step-by-step explanation:

The Pythagorean's Theorem states that a^2 + b^2 = c^2, so 81 + 144 = 225, and 225 square rooted is 15.

Answer:

15

Step-by-step explanation:

So, to find the hypotenuse you must use the pythagreons theorm:

A^2+B^2=C^2

Now, we knowt hat A and B is the side lengths.(9 and 12)

The hyoptenuse is C.

So, lets plug in our values for A and B, and find C:

A^2+B^2=C^2

=

9^2+12^2=C^2

Now lets square each number except for C, since its a unknown value:

81+144=C^2

Now combine the 144 and 81:

225=C^2

Finally, square root both sides so C^2 becomes C:

15=C

So the answer for the hyotenuse is 15!

Hope this helps!

[tex]3{x}^{2} - 2 = 11x \\ + 11x \: \: \: \: \: \: + 11x \\ 3 {x}^{2} + 11x- 2 = 0 \\ quadratic \: formula \: goes \: fom \: this \: : a {x}^{2} + bx + c = 0 \\ to \: this : x = \frac{- b \ \frac{ + }{ \: } \: \sqrt{ {b}^{2} - 4ac } }{2a} [/tex]

so now you just plug in the numbers to their corresponding letter:

[tex]x = \frac{ - 11 \frac{ + }{ \: } \sqrt{ {11}^{2} - 4(3)( - 2)} }{2(3)} [/tex]

Answer:

875 ft

Step-by-step explanation:

Length is 25 feet so we can solve x with the equation x+10=25 so x=15

We can plug in 15 to find out the width. 2(15)+5=w, so w(width) is 35.

Area is length x width, length=25 and width=35 so 35 x 25= 875

875 ft

:)

Answer: go

Step-by-step explanation:

Answer:

665

Step-by-step explanation:

kmnbvcxsdrftyuiol,m nbvcxsdftgyhuio

Answer:

s = s

f < 4 = s

Step-by-step explanation:

Answer:

Above picture is the solution for your question

Step-by-step explanation:

Use relation of trignometric ratios

Answer:

y= -2x+ 5

Step-by-step explanation:

parallel with y= -2x+ 1 means the lines have the same slope m= -2

from point (-1, 7) we go with a slope of -2 until we find the y-intercept (0, 5)

y= mx+b is the general formula

y= -2x+ 5

Answer:

Step-by-step explanation:

I believe you're refering to an "axis of symmetry."  This is most often seen in quadratic equations.  If the parabolic graph opens up or down, the axis of symmetry is the vertical line passing through the vertex, and the graph is symmetrical about this axis.  The same applies to a parabolic graph that opens left or right.

If y = ax^2 + bx + c, the equation of the axis of symmetry is x = -b / (2a).

Answer:

≈ 268 or 85.3π

Step-by-step explanation:

V = 1/3πr²h

V = 1/3 x 3.14 x 4² x 16

V ≈ 267.9467 or 268

also can be considered 85.3π

Answer:

Your answer is -5/2.

Step-by-step explanation:

Use the slope equation. (Refresh if you cant see below.)

[tex]\frac{y_2-y_1}{x_2-x_1}\\\text{Substitute two points into the equation. We can use the first two, (3, 5), and (5, 0).}\\\frac{0-5}{5-3}\\\text{Subtract.}\\-\frac{5}{2}[/tex]

Answer:

2.5 hours

Step-by-step explanation:

4 - 1.5 = 2.5

You must subtract 1.5 from the amount of hours he plays piano, which is 4. This is because he spends 1.5 hours less playing drums than he does playing piano.

Answer:

89 dollars for working at bike shop for 2.75 dollars a hour

Answer:

v= -7

Step-by-step explanation:

Answer:

angle 2=81 degree

angle 1 =126 degree

Step-by-step explanation:

Answer:

2x+27+x+27=180

3x+54=180

3x=180-54

x=126/3

x=42

angle B=x+27

=42+27

=69 degree

Step-by-step explanation:

Answer:

B=69

Step-by-step explanation:

Supplementary angles have a sum of 180. Set up your formula as

180=(2x+27)+(x+27)

180=2x+27+x+27

180-27-27=3x

126=3x

126/3=x

42=x

Now substitute 42 in place of x for Angle B

Angle B = x+27

B = 42+27

B=69

Check your work by doing the same for Angle A

Angle A = (2x+27)

A=2*42+27

A=84+27

A=111

Now add both together and if you did it right, your answer is 180

69+111 = 180

Answer:

-43

Step-by-step explanation:

a12 = a1 + (12-1)×-5 =12-55 =-43

Answer:

Cubic Units

Step-by-step explanation:

Answer:

Height = 2 yards

Longer base = 8 yards

Step-by-step explanation:

From the figure attached :

The length of the shorter base of the Trapezoid = 4 yards

Hence, if height of Trapezoid is half the length of the shorter base ;

Then ;

Height of Trapezoid = shorter base/2 = 4 /2 = 2 yards

Longer base is twice the length of shorter base :

Longer base = 2 * shorter base = 2 * 4 = 8 yards

I think it 10

Hope that helps

Answer:

I'd try to do that, but it cannot be done.

Step-by-step explanation:

The above sentence contains 30 letters, including 3 "e"s, so the frequency of e is 3/30 = 0.1 = 10%

Answer:

153.86 is your answer:)

Answer:

254.34

Step-by-step explanation:

3.14 x (9x9) = 254.34

Answer:

He pays $8.70

Step-by-step explanation:

You would do $67.86 divided by 7.8 lbs

Answer:

What i got was 3000 please mark wrong if it not right

Step-by-step explanation:

Answer:

Step-by-step explanation:

Consecutive differences in Table A are constant (9−6=12−9=15−12=3), indicating a linear function. Consecutive quotients in Table B are constant (147=2814=5628=2) indicating an exponential function. Similarly the constant quotient for Table D is 1/2. Neither consecutive differences nor quotients are constant in Table C, and its ordered pairs are related by the equation y=x2+5. So, Table A should be labeled "linear", Table B and D, "exponential", and Table C, "quadratic".

Answer:

Solution given:

centre(h,k)=(-2,3)

radius(r)=6 units

we have

equation of a circle is:

(x-h)²+(y-k)²=r²

(x+2)²+(y-3)²=6²

(x+2)²+(y-3)²=36 is required equation of a circle.

Answer:

The answer for this question is 40

Answer:

Answer:

n=-20

Step-by-step explanation:

Answer:

n = -20

Step-by-step explanation:

n/-4 = 5

n/-4 (-4) = 5(-4)

n = -20

-20/-4 = 5

Step-by-step explanation:

a_n=5n²+1

➜a_1=5(1)²+1

➜5×1+1

➜5+1

➜a_3=5(3)²+1

➜5×9+1

➜45+1

Answer:

B)

Step-by-step explanation: