Jerry needs 216 posts to build a fence. He has 88 posts and needs P more. Write an equation that you could use to find the number of posts jerry still needs.

Answers

Answer 1

Answer:

P = 128 Post

Step-by-step explanation:

Total post needed = 216 posts

Number of post Jerry has = 88 posts

Number of posts jerry still needs = P

Total = Number of post Jerry has + Number of posts jerry still needs

216 = 88 + P

216 - 88 = P

128 = P

P = 128 Post


Related Questions

the 28th term of an ap is -5,find the common difference if the first term is 31​

Answers

Answer:

The common difference is -4/3.

Step-by-step explanation:

Recall that the direct formula for an arithmetic sequence is given by:

[tex]\displaystyle x_n=a+d(n-1)[/tex]

Where n is the nth term, a is the initial term, and d is the common difference.

We are given that the first term a is 31.

We also know that the 28th term is -5. Hence, x₂₈ = -5. Substitute:

[tex]\displaystyle x_{28}=-5=(31)+d(28-1)[/tex]

Solve for d. Simplify:

[tex]-5=31+27d[/tex]

Thus:

[tex]\displaystyle 27d=-36[/tex]

Divide both sides by 27. Hence, the common difference is:

[tex]\displaystyle d=-\frac{36}{27}=-\frac{4}{3}[/tex]

Answer:

-4/3

Step-by-step explanation:

This question is equivalent to:

Find the slope of a line going through points (28,-5) and (1,31).

*Arithmetic sequences are linear. The common difference is the slope.

Any ways to find the slope line the points up and subtract vertically. Then put 2nd difference over 1st difference.

(28,-5)

(1,31)

---------subtracting

27, -36

So the slope or the common difference of this line or arithmetic sequence is -36/27. This reduces to -4/3.

Solve 2(1 – x) > 2x.
x < 2
x > 0.5
x < 0.5
x > 2

Answers

Answer:

x < 0.5

Step-by-step explanation:

Given

2(1 - x) > 2x ( divide both sides by 2 )

1 - x > x ( add x to both sides )

1 > 2x ( divide both sides by 2 )

[tex]\frac{1}{2}[/tex] > x , that is

x < [tex]\frac{1}{2}[/tex] OR x < 0.5

Solve -5x + 5y = 15 and 3x – 2y=-8 by elimination
If someone can help that’d be brilliant

Answers

Step-by-step explanation:

-5x+5y=15(multiply by 2)

3×-2y=-8(multiply by 5)

-10×+10y=30

15×-10y=-40

5x=-10

x=-2

Here,

-5x+5y=15.......(I)

and

3x-2y=8.....(II)

Now,

adding 3 in eqn (II)

so, 6x-5y=8

Now,

combining eqn (I) &(II)

-5x+5y=15

+6x-5y=8

[both 5y is cancelled ]

or, x=7

Now,

in eqn(i)

-5x+5y=15

or, -5*7+5y=15

or, -35+5y=15

or, -35-15=-5y

or, -50=-5y

or, -50/-5=y

[minus is cancelled ]

Therefore, y=10 and x=7

What is the length of the dotted line in the diagram below? Leave your answer in simplest radical form. HELP PLEASE​

Answers

Answer:

11.7…?

Step-by-step explanation:

Small triangle and other triangle are similar based on sas theorem (I think) so find scale factor — 2— then do Pythagorean theorem

What is the distance between (-1,2) and (-5, 2)

Answers

Answer:

4

Step-by-step explanation:

The distance between the points (-1,2) and (-5,2)

[tex] \sqrt{( - 5 - ( - 1)) ^{2} + (2 - 2) ^{2} } \\ = \: \sqrt{( - 4)^{2} + (0) ^{2} } \\ = \sqrt{16 + 0} \\ = \sqrt{16} \\ = 4[/tex]

Answered by GAUTHMATH

Answer qn in attachment​

Answers

Answer:

[tex]\implies \dfrac{ -4x+7}{2(x-2) }[/tex]

Step-by-step explanation:

The given expression to us is ,

[tex]\implies \dfrac{\frac{ 3}{x-1} -4 }{ 2 -\frac{2}{x-1}}[/tex]

Now take the LCM as ( x - 1 ) and Simplify , we have ,

[tex]\implies \dfrac{\frac{ 3 -4(x-1) }{x-1} }{ \frac{2-2(2x-1)}{x-1}}[/tex]

Simplifying further , we get ,

[tex]\implies \dfrac{ -4x+7}{2(x-2) }[/tex]

Hence the second option is correct .

Step-by-step explanation:

[tex] \frac{ \frac{3}{x - 1} - 4}{2 - \frac{2}{x - 1} } \\ = \frac{ \frac{3 - 4(x - 1)}{x - 1} }{ \frac{2(x - 1) - 2}{x - 1} } \\ = \frac{3 - 4x + 4}{2x - 2 - 2} \\ = \frac{7 - 4x}{2x - 4} = \frac{ - 4x - 7}{2(x - 2)} \\ thank \: you[/tex]

[tex]option \: b \\ thank \: you[/tex]

If function fhas zeros at -3 and 4, which graph could represent function ?

Answers

Answer:

Graph A

Step-by-step explanation:

Zeroes mean the x intercepts so the only graph that has points at -3 and 4 is GRAPH A. You can also come to the conclusion by using process of elimination.

PLEAS I NEED HELP WITH THIS ONE FAST MY DEAD LINE IS IN TEN MINUTES​

Answers

Answer:

copper ??  the "slope" is 8.75

Step-by-step explanation:

In this picture, the measure of angle theta is 1 radian.

A. True
B. False

*please include an explanation for answer*

Answers

Answer:

B

Step-by-step explanation:

A central angle of 1 radian occurs when the arc length is equal to the radius.

Here the radius is 2.5 in and the arc length is 2 in

Thus the statement is False

quanto é 50% de 200​

Answers

Answer:

50

Step-by-step explanation:

quanto é 50% de 200 and this the right answer

Here are two spinners.

6

2

spinner A

spinner B

bome

4

3

2.

4

The two arrows are spun and the score is obtained

by multiplying the two numbers.

1

spinner A

6

2

6

6

12 18

10 2030

4

3

spinner B

a) Complete the possibility space.

5

b) What is the probability of scoring a total of 6?

c) What is the probability of scoring a total greater than 10?

Answers

Answer:

2/9 ; 4/9

Step-by-step explanation:

______SPINNER A_____

_____ 2 ____ 4 _____ 6

1 ____ 2 _____4 _____6

3____ 6 _____12____ 18

5____10_____20____30

4 * 3 = 12 ; 5 * 2 = 10 ; 5 * 6 = 30

Probability of scoring a total of 6 :

From the sample space ; Number of 6's = 2

Total sample space = 9

Recall : probability = required outcome / Total possible outcomes

P(total of 6) = 2 / 9

P(total greater than 10) :

Required outcome ; > 10 = (12, 18, 20, 30) = 4

P(total > 10) = 4 / 9

Step-by-step explanation:

b) what is the probability of scoring a total of 6?

b) = 2/9

C) what is the probation scoring a total greater than 10

c)= 3/9

Can someone help me pls

Answers

Answer:

c = (E/m)^1/2

Step-by-step explanation:

Here, we want to solve for c in the given equation

what we have here is that;

E = m•c^2

Thus;

c^2 = E/m

So we have

c^2(*1/2) = (E/m)^1/2

c = (E/m)^1/2

Someone please help me ASAP! Worth 10 points

Answers

Answer:

(-1,-1)

Step-by-step explanation:

Step 1 identify coordinates of A

A is located at ( -3 , -3 )

Step 2 apply dilation by multiplying the x and y values of coordinate A by the scale factor

Given:

scale factor = 1/3

Coordinates of A: ( -3 , -3 )

* Multiply the x and y values by 1/3 *

( -3 * 1/3 , -3 * 1/3 ) -------> ( -1 , -1 )

The new coordinates would be (-1,-1)

multiply the coordinates of A by the scale factor given

What is an equation that represents a line with a slope of -1/2 and crosses through the point (2,-3)

Answers

Answer:

y + 3 = -1/2(x - 2)

General Formulas and Concepts:

Algebra I

Coordinates (x, y)

Point-Slope Form: y - y₁ = m(x - x₁)

x₁ - x coordinate y₁ - y coordinate m - slope

Step-by-step explanation:

Step 1: Define

Identify

Point (2, -3)

Slope m = -1/2

Step 2: Find Equation

Substitute in variables [Point-Slope Form]:                                                      y - -3 = -1/2(x - 2)Simplify:                                                                                                             y + 3 = -1/2(x - 2)

What is the value of x?


[tex] \frac{4}{5} x - \frac{1}{10} = \frac{3}{10} [/tex]

Answers

Answer:

x = [tex]\frac{1}{2}[/tex]

Step-by-step explanation:

Given

[tex]\frac{4}{5}[/tex] x - [tex]\frac{1}{10}[/tex] = [tex]\frac{3}{10}[/tex]

Multiply through by 10 ( the LCM of 5 and 10 ) to clear the fractions

8x - 1 = 3 ( add 1 to both sides )

8x = 4 ( divide both sides by 8 )

x = [tex]\frac{4}{8}[/tex] = [tex]\frac{1}{2}[/tex]

Given the diagram below, solve for x. Enter only a number rounded to the nearest tenth

Answers

Answer:

x = 60 cm

Step-by-step explanation:

using Pythagoras theorem which states that:-

Hypotenuse (h)² = perpendicular (p)² + base (b)²

h = 100 cmb = 80 cmp = x

100² = 80² + x²

100² - 80² = x²

10000 - 6400 = x²

3600 = x²

x = 60 cm

Find the least number which should be added to 6790 to make it a perfect square​

Answers

Answer:

add 99 to 6790

Step-by-step explanation:

6790 +99 = 6889 which is 83 squared

Four friends all five each other presents
The total cost of presents is £80.52
Work out the mean cost of presents in pounds

Answers

Step-by-step explanation:

Four friends all give each other presents. The total cost of the presents is £80.52. We need to find the mean cost of a present in pounds. So, the mean cost of a present is equal to 20.13 .

Find the product. If the result is negative, enter "-". If the result is positive, enter "+".

-7(- a2 ) 2 ( -b3 )

Answers

Answer:

7 a⁴ b³

Step-by-step explanation:

-7 ( -a²)²( - b ³)

A negative base raised to an even power equals a positive

= -7 ( a²)² ( - b³)

Multiplying an even number of negative terms make the product positive

= - 7 ( a²)² × b³

simplify the expression by multiplying exponent

= (-7)( a²*² )× b³

= 7 a⁴ b³

Answer:

Solution given:

(-a²)=-a*-a=a²

-b³=-b*-b*-b=-b³

now

-7(-a²)²(-b³)=-7*a⁴*-b³=-7*-1 *a⁴b³=7a⁴b³

the product is 7ab³.

so

enter"+".

211 base x is equal to 10110 base 2 ​

Answers

Hello,

[tex](211)_x=(10110)_2\\\\2*x^2+x+1=22\\\\2x^2+x-21=0\\\Delta=1+4*2*21=169=13^2\\x=\dfrac{-1+13}{4}= 3\\or\\x=\dfrac{-1-13}{4}\ may\ not\ be\ negative\\\\[/tex]

x=3

factorize the following numbers by Factor tree method
20

Answers

Answer:

tara specimen!

Step-by-step explanation:

1+2=3 ok

Joe drinks some milk every day. The graph shows the proportional
relationship of how many liters of milk Joe drinks to number of days.
Find the amount of milk he drinks in 7 days.

Answers

Answer:  14 liters

====================================

Explanation:

Draw a vertical line up from x = 7 until you reach the diagonal red line. Mark point P at this location. Then from point P, move horizontally until you reach the y axis. You should get to y = 14.

See the diagram below.

The equation of this red line is y = 2x. Whatever the input x is, we double it to get y. So if x = 7, then y = 2x = 2*7 = 14

This means that Joe drinks 14 liters of milk in 7 days. Or you could say his rate is 14 liters per week.

Answer:

The correct answer is 14 liters

Step-by-step explanation:

When you look at the graph you can count the grid squares. In one day Joe drinks 2 liters of milk. So 7 times 2 is 14. That is your answer

Let me know if I did anything wrong. :)

Determining the domain and range from a graph

Answers

Answer:

Domain = (-∞, ∞)Range = [-2, ∞)

Explanation:

There are no restrictions are the domain; it can be any real number.There are no y-values less than -2, meaning the range of y-values must all be greater than or equal to -2, since -2 is the minimum value.

− 0.32 + 0.18 = 0.25 − 1.95

Answers

Answer:

Step-by-step explanation:

0.18-0.32 = .25-1.95

-0.14 = 1.70

obviously that equation above is not true,  I suspect that there were some "x" variables on some of those numbers?

What is the area, in square centimeters, of the isosceles trapezoid below

Answers

Answer:

39.48

Step-by-step explanation:

1/2(5.3+13.5)(4.2)

using the formula of Sin 2A ,cos2a and tan 2a establish that; tab A is = +- root under 1 - cos 2A by 1 + cos 2a​

Answers

Answer:

Step-by-step explanation:

Given identity is,

[tex]\text{tanA}=\pm\sqrt{\frac{1-\text{cos2A}}{1+\text{cos2A}}}[/tex]

To prove this identity, we will take left side of the identity,

[tex]\pm\sqrt{\frac{1-\text{cos2A}}{1+\text{cos2A}}}=\pm\sqrt{\frac{1-(1-2\text{sin}^2A)}{1+(2\text{cos}^2A-1)} }[/tex]

                  [tex]=\pm\sqrt{\frac{1-1+2\text{sin}^2A}{1+2\text{cos}^2A-1} }[/tex]

                  [tex]=\pm\sqrt{\frac{2\text{sin}^2A}{2\text{cos}^2A} }[/tex]

                  [tex]=\pm(\sqrt{\text{tan}^2A})[/tex]

                  [tex]=\text{tanA}[/tex] [Right side of the identity]

Hence, proved.

A caterer is agrranging 72 ham sandwiche and 48 pimento cheese sandwiches on serving trays. He would like to arrange the sandwiches so tht each tray has the same number of each kind of sandwich. The number of ham sandwiches on a tray does not need to equal the number of pimento cheese sandwiches on the tray. What is the maximum number of traysthe caterer can use? .

Answers

Answer:

24

Step-by-step explanation:

The greatest number of trays the caterer can split the 72 ham sandwiches  and 48 pimento cheese sandwiches into can be determined by calculating the highest common factor and 48 and 72

Factors of 48 = 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48.

Factors of 72= 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72.

the highest common factor is 48 ad 72 is 24

Which long division problem can be used to prove the formula for factoring the difference of two perfect cubes?

Answers

Answer:

a-b  divided into [tex]a^{3} + 0a^{2} b + 0 ab^{2} - b^{3}[/tex]

the reason is that the (a-b) vs (a+b) in the "SOAP"

same, opposite, always a plus the "-" in the "a-b" has to match the

sign between the two cubes

Step-by-step explanation:

how many divisors does 56 have?

Answers

Answer:

1,2,4,7,8,14,28,56 those are the divisors for 56

Step-by-step explanation:

hope that helps >3

56 7*2^3 1,2,4,7,8,14,28,56

i need help with this problem can someone help me!!!!

Answers

Answer:

x = 3 in

Step-by-step explanation:

From the Pythagorean theorem,

x² = 4²-7²

√(4²-√7²)

= √(16-7)

= √9

= 3 in

Answered by GAUTHMATH

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