I think it's A but can someone check it for me.....

Answer:

Step-by-step explanation:

Perimeter of a rectangle  =  52 cm

2(length + width)  =  52 ==>  l + w  =  26

Let x be the length

width  =  (x/3) + 2

x + (x/3) + 2  =  26

[(3x + x)/3]  + 2 =  26

4x / 3  =  24

4x  =  24 (3)

x  =  6(3) ==>  18 cm

Width  =  (18/3) + 2

=  6 + 2  =  8 cm

So, the required dimension is 18 cm x 8 cm.

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Thank You!

Answered by: ms115

Answer:

Step-by-step explanation:

Let the perimeter be:

Find the numbers for the perimeter:

For A:

That means A is incorrect.

For B:

That means B is correct.

For C:

That means C is incorrect.

Correct choice is B.

The area of the trapezoid with height 10 units is,

A = 170 Units²

A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.

Given that;

Height of trapezoid = 10 units

Base (a) = 12 + 5 + 12 = 29 units

Base (b) = 5 units

Now, We knw that;

The area of the trapezoid is,

A = (a + b) h / 2

Substitute all the values we get;

A = (29 + 5) 10 / 2

A = 34 x 5

A = 170 Units²

Thus, The area of the trapezoid with height 10 units is,

A = 170 Units²

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The integers in the set s: {-2,-3,-4,-5} will make the inequality 4p-7 \(\geq\) 9p+8 true are : -3, -4, -5

Let's solve the inequality first

4p -7 \(\geq\)  9p  +8

Taking p's on the same side we will get :

-7 - 8 \(\geq\) 9p - 4p

-15 \(\geq\) 5p

Divide by 5 into both sides

-3 \(\geq\) p

i.e. p \(\leq\) -3

Therefore p must be less than or equal to -3

From the set, we have the numbers -3,-4,-5 which are less than or equal to -3

Hence the integers -3,-4,-5 will make the  inequality 4p-7 \(\geq\) 9p+8 true

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The number of miles that she drives in five days will be 250 miles.

Speed is defined as the length traveled by a particle or entity in an hour. It is a scale parameter. It is the ratio of length to duration.

We know that the speed formula

Speed = Distance/Time

Bula drives to work and back every day. One way, the trip is fifty miles.

The number of miles that she drives in five days will be given as,

50 = D / 5

D = 50 x 5

D = 250 miles

The number of miles that she drives in five days will be 250 miles.

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Answer:

Step-by-step explanation:

C=pi*3           Given

Generally C = 2*pi*r so we need to solve for r

3 pi = 2*pi * r   Divide by 2pi

3 pi/2pi = r

r = 1.5

Area = pi r^2

Area = pi * 1.5^2

Area = 2.25 pi

If you need a 1 number answer

Area = 7.065

Answer:

We conclude that:

csc (U) = 26 / 24        

Step-by-step explanation:

Given

To determine

csc (U) = ?

Using the trigonometric ration

sin Ф = opposite / hypotenuse

substituting Ф = U, opposite = 24, hypotenuse = 26

sin (U) = 24/26

We know that: csc (U) = [1 ] / [sin(U)]

Therefore,

csc (U) = [1 ] / [sin(U)]

            = 26 / 24

Therefore, we conclude that:

csc (U) = 26 / 24        

Answer:

Sylvia's total cost=$2.79*8

=$22.32

Step-by-step explanation:

Answer:

there were 18 adult tickets were sold and 54 kid tickets were sold so there were 72 tickets sold

Step-by-step explanation:

15 x 18 = 270 x 3 = 810

or if lower 15 x 17 = 255 x 3 = 765

Answer:

10,800

Step-by-step explanation:

75% of all purchases are 15$ and 25% of them are 9$ so if you get 75% of 800, 600, and 25% of it , 200, and multiply 600 by 15 and 200 by 9 you would get 9000 and 1800. and then add them you would get 1800.

i think

Answer: C. 21

Step-by-step explanation:

= 105/5

= 21

Answer:

c

Step-by-step explanation:

105/5

=21

so the answer is 21

Answer:

C. 1 solution

Step-by-step explanation:

I calculated logically

Answer:

$17

Step-by-step explanation:

So first

The total money John have is $20

then he earned $5 which means $20+$5 = $25

After that he spent $10 = $25- $10 = $15

Again earned $5 = $15+$5=$20

At last spent $3 = $20-$3=$17

Hence the total money he owe or have left is $17

Number of Std errors away from 0.12 one need to go = 1.227

Standard deviation (or σ) is a measure of how far the data are from the mean. A low standard deviation means that the data are clustered around the mean, and a high standard deviation means that the data are more scattered. Standard deviation shows how the data are distributed. This is a measure of how far each observation is from the mean.

The variance is the mean squared deviation from the mean and the standard deviation is the square root of that number. Both measures reflect the variability of the distribution, but in different units. The standard deviation is expressed in the same units as the original value (minutes, meters, etc.).

A. for 89%  ; critical z value = 1.227

                                     89% = 0.89

Critical z value = 0.89 × 0.14

                         = 1.227

Therefore number of Std errors away from 0.12 one need to go = 1.227

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Answer:

42

Step-by-step explanation:

[ ( 7 - 3 ) * 2 + 6 ] * 3

= [ 4 * 2 + 6 ] * 3

= [ 8 + 6 ] * 3

= 14 * 3

= 42

The number that can complete the equation 5y + 2(3y − 1) = ⬜y − (y + 2) is

5y + 2(3y − 1) = 12 y − (y + 2)

The number that can complete the equation is computed by simplifying the equation at the left hand side of the equality sign and comparing with the right side of the equality side

The comparison will show the number that can fit in the blank

Simplifying the equation at the left hand side of the equation

= 5y + 2(3y − 1)

= 5y + 6y − 2

= 11y - 2

Simplifying the equation at the right hand side of the equation

=  ⬜y − (y + 2)

let x represent the missing number

=  xy − (y + 2)

=  xy − y - 2

comparing both equations

11y - 2 =  xy − y - 2

11y =  xy − y

11y + y =  xy

12y = xy

x = 12

The missing value = 12

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The correct option is (D). On average, the number of breakdowns per day varies from the mean by about 0.28.

Because standard deviation represents the typical distance between each data point and the mean.

The average distance between each data point and the mean is known as the mean absolute deviation of a dataset. It offers us a sense of how variable a dataset is.

So, the correct answer is On average, the number of breakdowns per day varies from the mean by about 0.28.

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The quotient of  10⁻⁴/10² is 10⁻⁶

Quotient is the result obtained by dividing one quantity by another. It represents the value that is obtained after division.

For example, if you divide 20 by 2, the quotient is 10 because 20 divided by 2 equals 10.

Division law states that:

10ᵃ / 10ᵇ = 10ᵃ⁻ᵇ

In this case have:

10⁻⁴/10² = 10⁻⁴⁻²   (Division law)

10⁻⁴/10² = 10⁻⁶

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Answer: 15

Step-by-step explanation:

Sorry bout that.....

Answer:

No

Step-by-step explanation:

No, it is not a solution. You can find this answer by plugging in 12 for 2 for w.

0>12-132/12

132/12=11

12-11=1

0>1

0 is not greater than 1, so the answer is no.

Answer:

x=-6

Step-by-step explanation:

see the image below:)

Answer:

none no equation is equivalent to the question

Answer:

  an infinitely long time

Step-by-step explanation:

You want to know the time it takes for a kitten running 20 ft/s to catch a puppy running 25 ft/s when they start 180 ft apart and the puppy runs away from the kitten.

The kitten runs slower than the puppy, so can never catch up to it.

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The length of side X in simple radical form with a rational denominator is 10/√3.

In Mathematics and Geometry, a 30-60-90 triangle is also referred to as a special right-angled triangle and it can be defined as a type of right-angled triangle whose angles are in the ratio 1:2:3 and the side lengths are in the ratio 1:√3:2.

This ultimately implies that, the length of the hypotenuse of a 30-60-90 triangle is double (twice) the length of the shorter leg (adjacent side), and the length of the longer leg (opposite side) of a 30-60-90 triangle is √3 times the length of the shorter leg (adjacent side):

Adjacent side = 5/√3

Hypotenuse, x = 2 × 5/√3

Hypotenuse, x = 10/√3.

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

Answer:

y = \(-\frac{6}{7}\) x - 9  

Step-by-step explanation:

Parallel lines have the same slopes and different y-intercept

m = \(-\frac{6}{7}\)

y - (- 3) = \(-\frac{6}{7}\) [x - (- 7)]

y + 3 = \(-\frac{6}{7}\) (x + 7)

y + 3 = \(-\frac{6}{7}\) x - 6

y = \(-\frac{6}{7}\) x - 9

Answer:

Step-by-step explanation:

I forgot to add the last reason is AAS (two angles one side are congruent = triangles are congruent)

S.

1.Given

2. AE = EC

3. <AEB = <CED

4. <CDE = <ABE

5. triangles congruent

R.

1. Given

2. Segment bisector theorem

3. Vertical angles theorem

4. PAI Theorem

Hope this helps!

The solution to the homogenous equation is M = c₁e⁻(ⁿ² + √[n(n+1)n] + c₂e⁻(ⁿ²-√[n(n+1)n

To solve the second order differential equation:

d²M/dn² + 2n (dM/dn) = n

We can use the method of undetermined coefficients. First, we assume a particular solution of the form M = An + B, where A and B are constants to be determined. We then find the first and second derivatives of M:

dM/dn = A

d²M/dn² = 0

Substituting these into the differential equation, we get:

0 + 2n(A) = n

Solving for A, we find:

A = 1/2

So the particular solution is:

M = (1/2)n + B

To find B, we can substitute the particular solution into the original differential equation:

d²M/dn² + 2n (dM/dn) = n

0 + 2n(1/2) = n

So the homogeneous solution is:

Mh = C1n + C2

where C1 and C2 are constants to be determined. The general solution is the sum of the homogeneous and particular solutions:

The solution to the homogenous equation is;

M = c₁e⁻(ⁿ² + √[n(n+1)n] + c₂e⁻(ⁿ²-√[n(n+1)n

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Answer:

x = 8

Step-by-step explanation:

average is calculated as

average = \(\frac{sum}{count}\)

given daily average is 13 , then

\(\frac{x+x+5+x+3+x+12}{4}\) = 13 ( multiply both sides by 4 to clear the fraction )

4x + 20 = 52 ( subtract 20 from both sides )

4x = 32 ( divide both sides by 4 )

x = 8

Answer:

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

Initial value of the toy is €450.

After 10% increase the value is:

After further 10% decrease the value becomes:

The final value of the toy is €445.50.