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Answer:

A.400

Step-by-step explanation:

Well perimeter for a rectangle is l+l+w+w

100+100+l+l=600

200+2l=600

Subtract 200 from both sides

2l=400

Divide both sides by 2

l = 400 feet

The length of the rectangle is 400 feet long.

Answer:

Step-by-step explanation:

the answer is c

The statement must be true about parallelogram ABCD is BE ≅ DE option (C) BE ≅ DE is correct because the diagonals of a parallelogram bisect each other.

A parallelogram is a polygon with four sides, opposite sides of the parallelogram are parallel.

The parallelogram ABCD is shown in the figure.

A parallelogram is a type of quadrilateral,

The quadrilateral can be defined as the four-sided polygon in geometry having four edges and four corners.

The parallelogram has two diagonals, AC and BD.

From the property of Parallelogram,

The diagonals of a parallelogram bisect each other.

So, AC and BD bisect each other.

AE = ECBE = CE

The correct answer is BE ≅ DE.

Thus, the statement must be true about parallelogram ABCD is BE ≅ DE option (C) BE ≅ DE is correct because the diagonals of a parallelogram bisect each other.

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Answer:

c ≅ 35.4 cm.

Step-by-step explanation:

To find the length of the Hypotenuse of a triangle, the formula  a² + b² = c² will need to be used. Therefore:

26² + 24² = c² (c is the hypotenuse)

1252 = c²

√1252 = c

c ≈35.38

Round to tenths place:

c ≅ 35.4 cm. This is the Hypotenuse of the triangle.

Answer:

x≤-3      2 ≤x<7  

Step-by-step explanation:

(x^2+x-6) /(x-7) ≤0

Factor the numerator

(x+3)(x-2) / (x-7)≤0

Critical points are

X =-3  X =2  X=7

We need to check the values when

x≤3  -3 ≤ x≤2           2 ≤x<7   x>7  

(x cannot be 7 because then the denominator is zero)

and see when it is less than 0

Substitute a value in and see if factor is positive or negative

x≤-3

(negative)(negative) / (negative) =   negative

-3 ≤x≤2    

(positive)(negative) / (negative) = positive  this range does not work

      2 ≤x<7  

(positive)(positive) / (negative) = negative

x>7

(positive)(positive) / (positive)

Answer:

The second option is the correct answer.

Thank you.

I've answered as fast as I can to answer your question.Hope you understood it.

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Find the distance between the two x values: -10 to -7 is 3 units, so add to the midpoint: -7 + 3 = -4

The x value is -4

Now do the same for y:

7 to -3 is 10 units

Because the midpoint is less than the end point subtract:

Y = -3 -10 = -13

Y = -13

The endpoint would be (-4, -13)

Answer:

The distance between midpoint of AP and QB is [tex]\frac{5a}{8}[/tex].

Step-by-step explanation:

Given that: AB = a

                  AP = 2PQ = 2QB

Thus,

PQ = QB = [tex]\frac{a}{4}[/tex]

PQ + QB = [tex]\frac{a}{4}[/tex]+ [tex]\frac{a}{4}[/tex]

              = [tex]\frac{a}{2}[/tex]

AP = [tex]\frac{1}{2}[/tex] a = [tex]\frac{a}{2}[/tex]

The distance between midpoint of AP and QB can be determined as;

[tex]\frac{AP}{2}[/tex] + PQ + [tex]\frac{QB}{2}[/tex]

= [tex]\frac{a}{4}[/tex] + [tex]\frac{a}{4}[/tex] + [tex]\frac{a}{8}[/tex]

= [tex]\frac{2a+2a+a}{8}[/tex]

 = [tex]\frac{5a}{8}[/tex]

Therefore, the distance between midpoint of AP and QB is [tex]\frac{5a}{8}[/tex].

Answer:

(g + f)(x)

Step-by-step explanation:

the outputs of f(x) and g(x) will always have a sum of -1, which is h(x).

The expression of function H (x) is (g + f) (x).

Option 2 is true.

Here,

The function f (x) = -x - 4 and g(x) = x + 3

The value of H (x) is in the table is -1.

We have to find the expression to represents H(x).

What is Linear function?

A linear function is a simple function usually composed of constants and simple variables without exponents.

Now,

The function f (x) = -x - 4 and g(x) = x + 3

⇒( f + g ) (x) = f (x) + g(x)

                  = -x - 4 + x + 3

                  = -1

Which is same as the value of H (x) is in the table.

Hence, The expression of function H (x) is (g + f) (x).

Option 2 is true.

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Mean is the average. Add the minutes together and divide by 10.

86 /10 = 8.6

The answer is c

Answer:

-1/6

Step-by-step explanation:

First find the slope of the line through the points

m = (y2-y1)/(x2-x1)

    = (-4-8)/(1-3)

     = -12/-2

      =6

Now we need to find the slope of the line that is perpendicular

Perpendicular lines multiply to -1

6 * mp = -1

mp = -1/6

Answer:

f(n) = f(n - 1) + 6

Step-by-step explanation:

Answer: Area= square

A=5×5= 25

A=triangle 1 & 3

5×10= 50÷2= 25 25+25=50

A=triangle 2&4

10×5=50÷2=25×2=50

Area of 1-4= 25+50+50= 125

A= 125

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Answer:

(0, 0)

Step-by-step explanation:

(4+(-4))/2= 0/2= 0

(-5+5)/2=0/2= 0

(0, 0)- mid point

Answer:

[tex](4,-5);(-4,5)[/tex]

Remember this can be interpreted as:

[tex](x_1,y_1);(x_2,y_2)[/tex]

Looking at our x values first we have:

[tex]\frac{4+(-4)}{2}=\frac{0}{2}=0[/tex]

Looking at our y values we have:

[tex]\frac{-5+5}{2}=\frac{0}{2}=0[/tex]

So our midpoint would be the point [tex](0,0)[/tex]

Answer:

£112 initial + £20= £ 132

Step-by-step explanation:

Initial amount= x

And he received £20, added to initial amount it total to £132

Lets verify the answer:

Answer:

27

Step-by-step explanation:

(57 ÷ 4_1 +57 _20) ÷2

(57÷3 +57 _20) ÷2

(19+57 _20)÷2

(76 _ 20)÷2

(56 ) ÷2

= 28

Answer:

A. True

Step-by-step explanation:

The Triangle Inequality Theorem says that the sum of any two sides must be greater than the third side. Let's see if this is true.

a + b

9 + 1 = 10>9

a + c

9 + 9 = 18>1

c + b

9 + 1 = 10>9

True, the segments shown below could form a triangle. Option A is correct.

A triangle is a three-sided polygon. It is one of the most fundamental geometric forms.

According to the Triangle Inequality theorem, any two sides' total must be bigger than the third side. Verify one by one;

⇒a + b>c

⇒9 + 1 >9

⇒10>9

a + c>b

9 + 9 >1

18>1

c + b>a

9 + 1 >9

10>9

True, the segments shown below could form a triangle.

Hence, option A is correct.

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Answer:

30

Step-by-step explanation:

180 = 90 + x + 20 + x + 10

90 = 2x + 30

x = 30

Answer:

Cube

Step-by-step explanation:

The front elevation, side elevation and plan of a cube are all square

Answer:

The name of the solid is cube.

Step-by-step explanation:

What is cube?

A cube is a three-dimensional solid figure, having 6 square faces. It is a geometrical shape with 6 equal faces, 8 vertices, and 12 equal edges.

What is elevation?

The view from the top is called the plan. The view from the front and sides are called the elevations (front elevation and side elevation).

The front elevation, side elevation and plan of a solid are all same shows a cube.

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Answer:

B

Step-by-step explanation:

Am equivalent expression would be 2(-3w+(-11))= -6w-22

Sorry for my first answer

Mark wishing brainliest

Answer:

B. 2(-3w+(-11))

Step-by-step explanation:

-3(2w+6)-4=

-6w-18-4=

-6w-22=

2(-3w+(-11))

24 is 2.5 standard deviations away from the mean.

Now it given that,

mean = 18

standard deviation = 4

value = 24

Let x be the standard deviation away from the mean.

Since we know that,

Mean + Standard deviation * x = Value

Therefore putting the value we get,

18 +  4x = 24

Subtracting 18 both the side,

or, 4x = 24 -18

or, 4x = 6

Dividing by 4 both the side we get,

or, x = 6/4

or, x = 2.25

Hence,24 is 2.5 standard deviations away from the mean.

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Answer:

A,D,BC

Step-by-step explanation:

Answer:

The answer is D

Step-by-step explanation:

The solution would be like this for this specific problem:

Cost of the computer:

i = 0.117 / 12 

i = 0.00975 

= monthly payment 

= (i * P * (1 + i)^n) / ((1 + i)^n - 1) 

= (0.00975 * $1433 * (1 + 0.00975)^30) / ((1 + 0.00975)^30 - 1) 

= $55.32 

Electricity cost:

= $0.79 * 365.25 * 7 

= $2019.83 

Electricity Percentage: 

= $2019.83 / ($2019.83 + $1659.60) 

= 54.89% 

Electricity: 

= ($0.79 * 365 * 5) + ($0.79 * 366 * 2) 

= $2020.03 

Electricity Percentage: 

= $2020.03 / ($2020.03 + $1659.60) 

= 54.898%

In total, the electricity made up 54.898% of the lifetime cost of the computer.

Answer:

Number of child tickets = 9

Number of adult tickets = 36

Number of senior tickets = 27

Step-by-step explanation:

Given:

The ratio of adult tickets to child tickets = 4:1

Ratio of adult  tickets to senior tickets = 4:3

Number of total tickets = 72

Find:

The number of each ticket.

Computation:

Ratio between Adult to senior to child = 4:3:1

So,

Number of child tickets = [1 / (4+3+1)]Total tickets

Number of child tickets = [1 / (8)]72

Number of child tickets = 9

Number of adult tickets = [4 / (4+3+1)]Total tickets

Number of adult tickets = 36

Number of senior tickets = [3 / (4+3+1)]Total tickets

Number of senior tickets = 27

Answer:

there is no square root for -1

because it is there only for natural numbers

not sure because i just learned but ik that there isn't any square root for -1

Answer:

a. $ 2,431.01 = 4 years

b. $ 4,584.04  = 17 years

c. 4.57 years = $ 2,499.57

d. 8.3 year = $ 2,998.48

e.  $ 2,431.01 = 4 years

Step-by-step explanation:

Compound Interest Equation

A = P(1 + r/n)nt

Where:

A = Accrued Amount (principal + interest)

P = Principal Amount

I = Interest Amount

R = Annual Nominal Interest Rate in percent

r = Annual Nominal Interest Rate as a decimal

r = R/100

t = Time Involved in years, 0.5 years is calculated as 6 months, etc.

n = number of compounding periods per unit t; at the END of each period

Answer:

D. [tex]\frac{1}{4}[/tex]

Step-by-step explanation:

Use [tex]m = \frac{y2-y1}{x2-x1}[/tex] to find slope. The m in y = mx + b is always your slope.

0.89 expressed as a common fraction would be:

It cannot be reduced further.

Answer:

[tex] \frac{89}{100} [/tex]

Step-by-step explanation:

[tex]0.890[/tex]

This number has 3 decimal places

so,

[tex] \frac{890}{1000} [/tex]

Reduce it.

[tex] \frac{89}{100} [/tex]

Can't be reduce further

Answer:

1.548 gallons

Step-by-step explanation:

Length of the rectangular wall = 25.1 ft.

Width of the rectangular wall = 18.5 ft.

Area of the rectangular wall = length * width = 25.1 * 18.5

= 464.35 square feet

300 square feet wall can be painted using 1 gallon of paint.

=> 1 square feet wall can be painted using  gallon of paint.

=> 464.35 square feet wall can be painted using  gallon of paint.

= 1.548 gallons of paint

Answer:

4 gallons

Step-by-step explanation:

The first thing you want to do is times 22.8 * 17.3 = 394.44. Then what you want to do is see how much 100 square gallons can cover the area : 4. If we make it 3 it is going under if it is 4 it can cover the whole thing, and if we make it 5 we have a little much.

Answer:

D: 64 x^27 y^125

Step-by-step explanation:

You can use either a calc or your knowledge of cube roots. I will be using knowledge.

You can automatically rule out a and b as if you take the cube root of 12, no whole number comes out. You are left with c and d. Option D is correct because the cube root of 64 is a whole number (4), the cube root of 27 is a whole number (3), and the cube root of 125 is also a whole number(5).

Answer:

0.67 gallon of water

Answer:

Step-by-step explanation:

17 : i 12x^2(4x−3) ,

ii : 5x(x−3y) ,

iii: 5xy^2z(3x^2−5z^2)

18) since the two polynomial are equal then :

2x^3+ax^2+3x-5 = x^3+x^2-2x+a  same remainder x-2 then x=2

2(2)^3+a(2)^2+3(2)-5=(2)^3+(2)^2-2(2)+a     solve for a

-3a=9

a=-3

18 ) x^3+y^3 -125+15xy

       x^3+y^3-(5)^3-3(x)(y)(-5)   then factorize x^3+y^3

       (x+y)(x^2-xy+y^2)- (5)(5)^2-3(x)(y)(-5)   common factor x+y-5

        (x+y-5)(x^2-xy+y^2-5^2-3xy         given x+y=5

          5-5( x^2-xy+y^2-25-3xy) = 0

the value of the expression equal to zero