Jeff has 19 packages he wants to mail. 18 identical packages weigh 12 7/8 pounds each. A nineteenth package weighs 19 times the cost of one package. How many pounds do all the packages weigh together?

Answer:

Subtract 8.9 from both sides.

Step-by-step explanation:

When isolating variables, we need to change the parity of the number or value we are taking away. If we subtract 8.9 from both sides, we will get r=8.5.

Answer:

[tex](1/2*4)*5+(1/2*4)*5+(1/2*4)*5+(1/2*4)*5+(4*4)=2*5+2*5+2*5+2*5+16=10^2+10^2+10^2+10^2+16^2=40^2+16^2=56^2[/tex]

Step-by-step explanation:

a triangle is 1/2 of the base x height. so the area of 4 triangles and the surface area of the base square is the total surface area.

Answer:

More info? Thanks =)

Step-by-step explanation:

Answer:

which might help. It sounds like you have 4 semicircles which can be thought of as a division problem 12/3 = 4. Note how I'm dividing by 3 which is the width of each section (eg: from 6 to 9 is 9-6 = 3 units)

Step-by-step explanation:

Answer:

idek i need help too!!

Step-by-step explanation:

Answer: ANSWER*0.15 (15% is 15/100 or 0.15)

Step-by-step explanation:

An arithmetic sequence is a sequence where the difference between each consecutive term is the same.

The number of seats in the new black box is 294.

It is a sequence where the difference between each consecutive term is the same.

Example:

2, 4, 6, 8 is an arithmetic sequence.

We have,

Number of rows = 14

n = 14

a = 8.

d = 2

So,

The number of seats in the 14 rows is,

8, 10, 12, 14,.........

Now,

The sum of the arithmetic sequence.

= n/2 [2a + (n - 1)d ]

The number of seats in the new black box.

= 14/2 [ 2x8 + (14 - 1)2 ]

= 7 [ 16 + 26 ]

= 7 x 42

= 294

Thus,

The number of seats in the new black box is 294.

Learn more about arithmetic sequence here:

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Answer:

9

Step-by-step explanation:

well this one is rather simple you see the "4" is in the ones place and, going right, "3" is in the tens places and the "2"is in the hundreds place and that leaves the '9' in the thousands place.

Answer:

The remaining number in thousands units is 9.

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I hope help you :)

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Answer: y-54=21(x-5) or y=21x-51

Step-by-step explanation:

To find the equation of the tangent line, we first want to find the derivative of the equation.

f(x)=2x²+x-1           [Power Rule]

f'(x)=4x+1

Now that we have the derivative, we use (5,54) to find the slope.

f'(5)=4(5)+1            [multiply]

f'(5)=20+1              [add]

f'(5)=21

With our slope, we can plug it into point-slope form.

y-54=21(x-5)

We can also convert this to slope-intercept form.

y-54=21(x-5)          [distribute]

y-54=21x-105        [add both sides by 54]

y=21x-51

Now, we know the tangent line is y-54=21(x-5) or y=21x-51.

Answer: Second option

Step-by-step explanation:

This is just recalling the formula.

Answer:

31p + 10q2

Step-by-step explanation:

Answer:

10q^2+31p

Step-by-step explanation:

Answer:

I have learned a lot in math, although it was years ago on of my favorite things to learn was to multiply and divide. They were not only easy but also fun.

Step-by-step explanation:

Answer:

288

Step-by-step explanation:

The volume of the cube is 0.5^3 = 0.125, and the volume of the rectangular prism is 4*3*3 = 36.

Now, you just divide 36 by 0.125, which is 288.

I hope this helped.

Answer:

light year

Step-by-step explanation:

Took test

Answer:

Answer: −2x2+28x−87 is the simplified form for -2(x-7)²+11

Answer:

-9, 3.5, -2.25, and -9

Step-by-step explanation:

I'm assuming you mean the opposite numerical value so, the opposite of a positive number is a negative one and vice versa.

Answer:

507

Step-by-step explanation:

[tex]\mathrm{Write\:the\:problem\:in\:long\:division\:format}[/tex]

[tex]\begin{matrix}9\overline{|\smallspace4563}\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]

~~~~~~~~~~~~~~~~~

Divide 6 by 9 to get 0

[tex]\begin{matrix}\:\:\:\:\:\:\emptyspace5\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ 9\overline{|\smallspace4563}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace4\emptyspace5}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\emptyspace0\emptyspace6\:\:\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]

~~~~~~~~~~~~~~~~

Divide 63 by 9 to get 7

[tex]\begin{matrix}\:\:\:\:\:\:\emptyspace5\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ 9\overline{|\smallspace4563}\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\underline{\emptyspace4\emptyspace5}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\emptyspace0\emptyspace6\:\:\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]

      [tex]\begin{matrix}\:\:\:\:\underline{\emptyspace0}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\emptyspace6\emptyspace3\:\:\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]

        [tex]\begin{matrix}\:\:\:\:\underline{\emptyspace6\emptyspace3}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\\ \:\:\:\:\:\:\emptyspace0\:\:\:\:\:\:\:\:\:\:\:\:\:\:\end{matrix}[/tex]

[tex]\mathrm{The\:solution\:for\:Long\:Division\:of}\:\frac{4563}{9}\:\mathrm{is}\:507[/tex]

[RevyBreeze]

Answer:

45.5

Step-by-step explanation:

Answer:

10 feet

Step-by-step explanation:

Perimeter of a rectangle =2(l+b)

2(25+b)=70

50+2b=70

CLT

2b=70-50

2b=20

Divide both sides by 2

=10

Answer:

Step-by-step explanation:

there is no figure Shown for

Your question

Answer:

3/10

Step-by-step explanation:

2/6 is 1/3 x 2/2

4/12 is 1/3 x 4/4

5/15 is 1/3 x 5/5

but 3/10 is 1/3 x 3/3.33333.. which is not quivalent to one third

Answer:

b=19.25

Step-by-step explanation:

Ok, so if you plug in 77 for A and 4 for h, you will get 77=4h. So from here, you have to divide 77 by 4, which is 19.25 and that is the answer for variable b.

Answer:

x > -6

Step-by-step explanation:

Isolate the variable by  dividing each side by the factors that dont contain the varible

Inequality Form

x > -6

Interval Notion

Step-by-step explanation:

Hey there!

Given;

y = 2x + 4..........(i)

The point is; (3,2). The equation of line which passes through this point is;

(y-y1) = m2(x-x1)

(y-2)= m2(x-3)........(ii)

From equation (i).

y = 2x+4

Comparing the equation with y = mx+c, we get;

Slope (m1)= 2

As per the condition of parallel lines, (m1=m2).

Therefore, m2= 2.

Now, keeping the slope of m1 in eqaution (ii)

(y-2)= 2(x-3)

y - 2 = 2x - 6

y = 2x -4

Therefore, the equation is y = 2x - 4.

Hope it helps...

Answer:

how long is the shelf

Step-by-step explanation:

Answer:

16

Step-by-step explanation:

Dividing two fractions is the same as multiplying the first fraction by the reciprocal (inverse) of the second fraction.

Take the reciprocal of the second fraction by flipping the numerator and denominator and changing the operation to multiplication. Then the equation becomes

812×241=?

8

12

×

24

1

=

?

For fraction multiplication, multiply the numerators and then multiply the denominators to get

8×2412×1=19212

8

×

24

12

×

1

=

192

12

Since 192 divided by 12 equals 16 then,

19212=16

192

12

=

16

Therefore:

812÷124=16

8

12

÷

1

24

=

16

Answer:

i think it is C and D

i hope this work for you

and sory if im wrang

Answer:

A

Step-by-step explanation:

Answer:

A. 144

Step-by-step explanation:

8x + 8x + 8x + 3x + 3x = 540°

30x = 540°

x = 18

8x = 144

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Answer:

heyyyyyyyy :P

Step-by-step explanation:

Answer:

Heyyyyyyyyyyyyyyyyyyyyyy :)

Answer: x = $7, y = $6

Step-by-step explanation:

Let x be the cost of an adult ticket

Let y be the cost of a children's ticket

Translate these sentences to algebra:

At the circus, three adult tickets and five child tickets cost $51: 3x + 5y = 51

Five adult tickets and two child tickets cost $47: 5x + 2y = 47

Now we have two equations. Let's use substitution to solve.

3x + 5y = 51

3x = 51 - 5y

.: x = 17 - 5y/3

Now substitute this value of x into the second equation to find the numerical value of y:

5(17 - 5y/3) + 2y = 47

85 - 25y/3 + 2y = 47

-19y/3 = -38

-19y = -114

.: y = 6

Now find x:

x = 17 - 5y/3

x = 17 - 10

.: x = 7

So an adult ticket costs $7, and a child ticket costs $6 :)