Help plz really important

Answer:

The area of the trapezoid is 10.5

Answer:

42

Step-by-step explanation:

(2×2 + 5×2) × 2×3 / 2 = 42

Answer:

pretty sure it's 13 nickles

Answer:

8

x

3

+

2

x

2

−

3

x

+

18

Explanation:

We have:

(

2

x

+

3

)

(

4

x

2

−

5

x

+

6

)

Now let's distribute this piece by piece:

(

2

x

)

(

4

x

2

)

=

8

x

3

(

2

x

)

(

−

5

x

)

=

−

10

x

2

(

2

x

)

(

6

)

=

12

x

(

3

)

(

4

x

2

)

=

12

x

2

(

3

)

(

−

5

x

)

=

−

15

x

(

3

)

(

6

)

=

18

And now we add them all up (I'm going to group terms in the adding):

8

x

3

−

10

x

2

+

12

x

2

+

12

x

−

15

x

+

18

And now simplify:

8

x

3

+

2

x

2

−

3

x

+

18

Answer:

x = 5

y = 1/4

Step-by-step explanation:

Let a = 1/x

     b = 1/y

Then the equations are

(1)        10a - 4b = -14     and     (2)    5a + 8b = 33     Multiply equation (2) by -2

         -10a - 16b = -66

                  -20b = - 80

                        b = 4                         5a + 8(4) = 33

                                                          5a + 32 = 33

                                                                  5a = 1

                                                                    a = 1/5

a =  1/x = 1/(1/5)                   x = 5

b = 1/y = 4                           y = 1/4

Answer:

By remembering a few simple rules, you will be able to divide any negative fraction problem you come across. Ignore the negative sign at first and multiply one fraction by the reciprocal of the other. The reciprocal is attained by simply flipping the numerator and the denominator.

Answer:

-20/3

Step-by-step explanation:

First simplify the left side of the equation

243^(1/5x)= (243^1/5)^x

                =([tex]\sqrt[5]{243}[/tex] )^x

                = 3^x

Now that the left side is simplified,  let's move to the right side

81^(x+5)=( [tex]3^{4}[/tex])^(x+5) simplify 81 to base 3^4

             =[tex]x^{4(x+5)[/tex] use the product of powers property to multiply the exponents together

             =[tex]x^{4x+20[/tex]

With both sides simplified, let's rewrite the equation, this time in simplified terms

[tex]3^{x}[/tex]=[tex]3^{4x+20}[/tex]            

x=4x+20    because both the bases are same, their exponential value must also be equal

-3x=20 solve the algebraic equation for x

  x=[tex]-\frac{20}{3}[/tex]

Answer:

1 ¹⁄₁₄

Step-by-step explanation:

[Step 1] [convert mixed fractions to improper fractions]

1 3/7 divided by 1 1/3 →

a b/c = b + a(c) / c = (b + ac) / c.

3 + 1(7) / 7 divided by 1 + 1(3) / 3 →

10 / 7 divided by 4 / 3.

[Step 2] [flip the numerator and denominator(take the reciprocal) of the fraction you are dividing by and multiply]

10 / 7 divided by 4 / 3 →

a / b → b / a = 1 / (a / b) = (a / b) ^ -1.

10 / 7 multiplied by (3 / 4).

When you multiply 2 fractions, you multiply across. Numerator × Numerator / Denominator × Denominator.

a / b × c / d = (a × c) / (b × d).

10 / 7 multiplied by (3 / 4) →

10 / 7 × 3 / 4 →

(10 × 3) / (7 × 4) →

30 / 28.

[Reduce completely until the denominator or numerator is prime or can only be divided by one and itself to remain an integer]

30 / 28 →

15 / 14.

[Find the difference between the numerator and denominator and that will be the numerator of the mixed fraction or the remainder, the denominator will be the same denominator of the improper fraction and the whole part will be how many times the denominator can fit in the numerator of the improper fraction]

[Or you can do long division and you will add the quotient (top number above long division bar) and the remainder.]

a / b = (# times b fits into a) + (remainder / b).

15 / 14 = (# times 14 fits into 15) + (1 / 14).

15 / 14 = 1 + (1 / 14)

15 / 14 = 1 ¹⁄₁₄

Answer:

Step-by-step explanation:

Put the data in the ascending order, first bring to common denominator:

Since the data is even the median is the average of 6/8 and 9/8:

Answer:

$11.24

Step-by-step explanation:

Given data

Original cost of tire=  $74.95

DIscount= 15%

Required

The amount of the discount

=15/100*74.95

= 0.15*74.95

= 11.24

Hence the amount saved is $11.24

Answer:

the bigger one is bigger by 3*4 more squares i.d.k. if this is what u want

Answer:

102

Step-by-step explanation:

You have to substitute x and y. Since x = 3 and y = 4, you would write the equation as 6(3) + 21(4). Multiply that, and you get 18 + 84. Add that together, and you get the answer 102.

Answer: 102

Step-by-step explanation: 6x + 2y

                                             6(3) + 21(4)

                                             18 + 84

                                             102

basically you just plug in 4 where it says y in the equation and plug in 3 where it says x in the equation and solve :))

Answer:

121/12   or   10 1/2

Step-by-step explanation:

Mary Made: 10 3/4 Cups of Snack Mix

Guest Ate: 2/3

10 3/4 - 2/3 =

Answer:

10x34

Step-by-step explanation:

just check the other persons

Answer:

64π inches² (approximately 201.06 inches²)

Step-by-step explanation:

[tex]A=\pi r^2[/tex] where [tex]r[/tex] is the radius

To find the radius, divide the diameter by 2

16 ÷ 2 = 8 inches

Plug in 8 as the radius

[tex]A=\pi (8)^2\\A=64\pi[/tex]

[tex]A=201.06[/tex] (approximately)

Therefore, the area of the circle is 64π inches², or approximately 201.06 inches².

I hope this helps!

Answer:

201 inch²

Step-by-step explanation:

d=2r ⇔ 16=2r ⇔ r=8

A= Pi× r² ≈ 3.14 × 8² ≈ 201 inch²

Answer:

-11

Step-by-step explanation:

6*3=18+2*3=24

7*5=35

24-35=-11

Answer:

set opp angles equal

Step-by-step explanation:

5x+29=7x-11

3y+15=5y-9

2x = 40

x= 20

2y=24

y=12

Step-by-step explanation:

13² = 5² + x²

x² = 13² - 5²

x² = 144

x = √144

x = 12

answer = 12 km

Answer:

I will let it lead me down the paths ahead of me. I never in my life thought that Dylan McKay would be a major influence on my growth as a person. But that's the way it seems to be going right now. So wish me luck, and may the bridges I've burned light the way.

this is not that long but I tried

Answer:

Kyle: 30 ben: 60 Steve: 150

Step-by-step explanation:

Answer:

[tex]h = - 12[/tex]

Step-by-step explanation:

1) Add 1 to both sides.

[tex] \frac{h}{6} = - 3 + 1[/tex]

2) Simplify -3 + 1 to -2.

[tex] \frac{h}{6} = - 2[/tex]

3) Multiply both sides by 6.

[tex]h = - 2 \times 6[/tex]

4) Simplify 2 × 6 to 12.

[tex]h = - 12[/tex]

Therefor, the answer is h = -12.

Answer:

h = - 12

Step-by-step explanation:

Add 1 to both sides of the equation

ℎ/6 − 1 + 1 = − 3 + 1

Simplify

ℎ/6 = − 3 + 1

h/6 = -2

Multiply all terms by the same value to eliminate fraction denominators

6 ⋅ ℎ/6 = 6 ( − 2 )

Cancel multiplied terms that are in the denominator

ℎ = 6 ( − 2 )

Multiply the numbers

ℎ = − 12

9514 1404 393

Answer:

  (4, -10), (4, 6)

Step-by-step explanation:

The vertical diameter is on the vertical line through the center of the circle. That line is x=4.

The square of the radius is 64, so the radius is √64 = 8. The y-coordinate of the diameter end points will be the y-coordinate of the center ±8.

So, the points of interest are ...

  (4, -2±8) = (4, -10) and (4, 6) . . . . end points of the vertical diameter

Answer:

There are two ways you can find the slope(atleast thats what I know)

Step-by-step explanation:

Hello, i have two ways.

We can find the slope in y = mx+b form or the slope in y=mx+b itself

We can also find the slope with the graph drawn.

Step-by-step explanation:

the distance is sqrt ( (-6)^2 + (-12)^2) = sqrt(  36 + 144) = sqrt( 180) = sqrt(36*5) = 6 * sqrt(5)

2/(2+4) = 2/6 = 1/3

-2 + (1/3)*6*sqrt(5) = -2 + 2* sqrt(5)

6 + (1/3)*6*sqrt(5) = 6 + 2* sqrt(5)

Answer:

1, volume=23×9×5

=1035

2, volume=(1/2×5×4)×20

... =200

3.

1) Use the formula of rectangular prism: width x height x length

2) Use the formula of triangular prism: (Base x height x length) ÷ 2

3) Use the formula of cylinder: π x [tex]radius^{2}[/tex] x height

--------------------------------------------------------------------------------------------------

1)

width x height x length

= 5 x 9 x 23

= 1035

------------------------------------------------------------------------------------------------

2)

(Base x height x length) ÷ 2

= (5 x 4 x 20) ÷ 2

= 400 ÷ 2

= 200

------------------------------------------------------------------------------------------------

3)

π x [tex]radius^{2}[/tex] x height

= π x [tex]2.5^{2}[/tex] x 12

= π x 6.25 x 12

= 75π

= 236 (rounded to neareast whole number)

Answer:

Step-by-step explanation:

Volume of rectangular prism = length * width * height

                                                =  10 *8 * 3

                                                = 240 cubic yard

Answer:

85

Step-by-step explanation:

complementary angles = 90* so  85+5=90

Answer:

85

Step-by-step explanation:

Complementary means those angles add up to 90

supplementary means those angles add up to 180

because on angle is 5 degrease and it says complementary you just...

90-5=x

85=x

Answer:

im not really sure but im guessing its 1.512

(im sorry if its wrong :/)

Step-by-step explanation:

Answer:

x=-8

Step-by-step explanation:

-5=2x+3-x

-5=x+3

-5-3=x

-8=x

Hope I helped

Answer:

Vertical angles

Step-by-step explanation: