The perimeter of a square is 4a. What is the area of the
square?

Answer:

Step-by-step explanation:

3

Answer:

D

T= 3.56

Reject

Step-by-step explanation:

The estimated equation of an employee's commitment to the business (Y) based on the amount of hours they spend meditating (X) is:

[tex]\hat Y = 45.63 + 3.60 *X[/tex]

Also;

[tex]\hat \beta_1[/tex] the coefficient of X from the equation Y on X = 3.60

Standard error  S.E [tex]\hat \beta_1[/tex] = 1.01

The null & alternative hypothesis:

[tex]H_o : \beta_1 = 0 \\ \\ H_1 : \beta > 0[/tex]

Test statistics:

[tex]T = \dfrac{\hat \beta _1}{S.E (\hat \beta _1)}[/tex]

[tex]T = \dfrac{3.60}{1.01}[/tex]

T = 3.56

Value of T-statistics = 3.56

P-value = P(t > T)

here;

t = standard t variable  with a degree of freedom = 100 - 1 = 99

∴

P value = P(t > 3.56)

P value = 1 - P(t < 3.56)

P value = 1 - 0.9997

P value = 0.0003

Since p-value is less than ∝ at 0.05

We reject the [tex]H_o[/tex]  (null hypothesis)

Answer:

The sum of its angles Is 360°(Like any quadrilateral)

Adjacent angles are Supplementary(Add to 180°)

The diagonals Bisect each other

Answer:

The correct option is d. Project B.

Step-by-step explanation:

Note: See the attached excel file for the calculation of the Cumulative Cash Flows of Projects A and B.

Payback period refers to the number of time or period that is needed to recoup the amount of money spent a project. The

payback period rule states that when considering two or more projects, a project with the shortest payback period should be selected.

Payback period can be calculated as follows:

Payback period = Time before full recovery + (Unrecovered cost at start of the time of full recovery / Cash flow during the time of full recovery) ………………. (1)

Using the information in the excel file (in red color), equation (1) can be calculated for Project A and Project B as follows:

Project A payback period = 2 + ($1,000 / $3,000) = 2.33

Project B payback period = 2 + ($3,000 / $10,000) = 2.30

Since the payback period of Project B payback period which is 2.30 is lower than the Project A payback period of 2.33, Project B should be selected.

Therefore, the correct option is d. Project B.

Answer:

2.43255071E22

Rounding to the nearest tenth: 2.4

Nearest hundredth: 2.43

Step-by-step explanation:

Hope I helped! :)

Answer:

2.43255e16

Step-by-step explanation:

Answer:

£9.98

Step-by-step explanation:

Answer:

£39.92

Step-by-step explanation:

Step 1: Find 20% of 49.90 = 9.98

Step 2: Now subtract the result from the original price

[tex]49.90 - 9.98[/tex]

[tex]=39.92[/tex]

£39.92 is 20% off £49.90

Answer:

2=414x-4+18

2=414x+14

2-14=414x

-12=414x

-12/414=x

Step-by-step explanation:

60 I think?

I may be wrong-

Answer:

60

Step-by-step explanation:

Answer:

13: 59

14: 118

Step-by-step explanation:

Answer:

[tex]1:4[/tex]

Step-by-step explanation:

Without loss of generality, let there be 5 star shaped cookies. Following the proportions given, there will be 6 circular cookies. We can set up the following proportion to find out how many triangular cookies there would be:

[tex]\frac{3}{10}=\frac{6}{x},\\3x=60,\\x=20[/tex].

Therefore, for every 5 star shaped cookies there will be 20 triangular cookies.

Simplifying this ratio we have [tex]5:20 \implies \boxed{1:4}[/tex].

answer:

7/32 or 0.2 lbs

step-by-step explanation:

given:

mya has 7/8 pound of bird food. she puts an equal portion into 4 bird feeders. how much bird food, in pounds, does she put in each bird feeder?

solution:

let us assume that, she put x pounds in each bird feeder.

(pound in each feeder) * the total number of feeders = total food.

filling in the missing variables-

 x * 4 = (7/8)

 x = (7/8) ÷ 4

x = (7/8) * (1/4)

x = (7/32)lbs

good luck :)

i hope this helps

brainliest would be highly appreciated

have a nice day!

Answer:

120 = 15x + 45   5 hours of lessons

Step-by-step explanation:

120 is total money so that goes on one side.

45 is a one-time cost so it is on its own.

15 per hour is another cost but this one depends on a variable so it has an x.

X represents the number of hours.

You put this together to from the equation: 120 = 15x + 45.

Subtract 45 from both sides: 75 = 15x

Divide 15 from both sides: 5 = x.

X = hours so 5 hours

Answer:

Following are the solution to the given points:

Step-by-step explanation:

For point (i):

[tex]P(X < 5.99) = P(Z < (\frac{(5.99 - 6.03)}{\frac{0.22}{\sqrt{(40)}}})[/tex]

                     [tex]= P(Z < -1.15) \\\\= 0.125[/tex]

For point (ii):

[tex]P(X> 6) = P( Z > \frac{(6 - 6.03)}{(\frac{0.22}{\sqrt{(40)}})})[/tex]

[tex]= P(Z > -0.8624 ) \\\\ = 0.806\\\\\to n = 40 \\\\ \to p = 0.806\\\\\to 56\% = 0.56\times 40 = 22.4\\\\\to u = np = 40\times 0.806 = 32.24\\\\P(X > 22.4) = P(Z > \frac{(22.4 - 32.24)}{\sqrt{(40\times 0.806\\\times (1-0.806))}})[/tex]

                    [tex]= P(Z > -3.93 ) \\\\= 1[/tex]

Answer:

19.50/6=c c=3.25

Step-by-step explanation:

In this case C=3.25

Answer:

19.50÷6= c

Step-by-step explanation:

19.50÷6 =c

divide to find how much 1 cup of coffee is

Answer:

x = 37

Step-by-step explanation:

Well if you didn't know vertical angles are congruent ( or equal to each other )

Which means that 74 = 2x

If we want to find the value of x, then we need to get rid of the "2" on 2x

To do so we can divide each side by 2

74 / 2 = 37

2x / 2 = x

we would be left with x = 37

Answer: 1/45

Step-by-step explanation:

Answer: D (64)

Step-by-step explanation:

My answer is correct because, it's showing that 4 is the length, width, and height. So it bassically 4 x 4 x 4 in other words 4 exponent 3. And 4 exponent 3 would equal 64.

Hope This Helps!

Step-by-step explanation:  5 19 7 36

Alondra studies 7 hours this week for end-of-year exams. He spends 1 hour on English and an equal number of hours each on math, science and history.

Write an equation and find the solution

Total hours = english hours + ( math + science + history ) hours

Total hours = english hours +  other subjects hours

    7 hours  =  1 hours  +  3( x ) hours     solve for x

     (7 - 1) hours  =  (1 - 1) hours + 3x hours

          6 hours / 3  =  3x / 3    hours

                2 hours  = x hours

Answer:

Third option is the correct answer

[tex] x=\pm \sqrt {26}[/tex]

Step-by-step explanation:

[tex] In (x^2 - 25)= 0[/tex]

[tex]\implies (x^2 - 25)= 10^0[/tex]

[tex]\implies x^2 - 25= 1[/tex]

[tex]\implies x^2 = 25+1[/tex]

[tex]\implies x^2 = 26[/tex]

[tex]\implies x =\pm\sqrt{ 26} [/tex]

Answer:

$14

Step-by-step explanation:

Interest = Principal x Rate x Time

I = 200(.01)(7)

I = 14

Answer:

13/15

86.67%

Step-by-step explanation:

non red marbles = 13

total marbles = 15

13/15 = 0.866667

86.67%

Answer: 42 mm^2

Step-by-step explanation:

A=bh/2

b=7, h=12

7*12=84, 84/2=42

Answer:

area of the triangle

[tex]( \frac{1}{2} \times 12 \times 7 )\\ 42 {mm}^{2} [/tex]

Answer:

The length of each blue trim is 17.2 inches

Step-by-step explanation:

Given

See attachment for banner

Required

The length of each blue trim

Since all 4 triangles are equal, then the dimension of 1 triangle is:

[tex]Side\ 1 = 10[/tex]

[tex]Side\ 2 = 14[/tex]

The hypotenuse (x) of the triangle blue trim is represented by the blue trim

So:

[tex]x^2 = Side\ 1^2 + Side\ 2^2[/tex]

This gives

[tex]x^2 = 10^2 + 14^2[/tex]

[tex]x^2 = 100 + 196[/tex]

[tex]x^2 = 296[/tex]

Take square root

[tex]x = \sqrt{296[/tex]

[tex]x = 17.2in[/tex]

Answer: 5

Step-by-step explanation: 12-7=5

Answer:

5/12 of the pizza is left.

Step-by-step explanation:

If 12/12 is the whole, and Monica ate 7 slices, all you have to do is subtract 7 from 12. 12-7=5.

Answer:

120 000 centimeters

Step-by-step explanation:

Answer:

120,000 cm³

Step-by-step explanation:

Given :-

And we need to find the volume of the hay . The hay is in the form of cuboid .We know that the volume of a cuboid is ,

[tex]:\implies[/tex] Volume = l × b × h

[tex]:\implies[/tex] Volume = 100cm*40cm*30cm

[tex]:\implies[/tex] Volume = 1,20,000 cm³

Answer:

105

Step-by-step explanation:

First of all this is to easy if you don't know how to do this then your in danger of math and you should ask your math teacher for private online lesson regarding this.

LCM of 15,21

3 | 15 | 21

5 | 5 | 7

7 | 1 | 7

   | 1 | 1

LCM: 3x5x7 -> 105

Answer: The answer to this math question about finding The Lowest Common Multiple (LCM) of the given pairs for #15 and #21 is 105.

Step-by-step explanation: So, according to the online calculator website is called, "Calculatorsoup.com", I chose to find another option is called, " Greatest Common Factor Method (GCF Method)" of the given with the pairs of the numbers, so anyways, here are the following steps in order to find The Greatest Common Factor Method (GCF Method) with the given following pairs #15 and #21 are being shown below here:

Step 1. First, find The Greatest Common Factor of 15 and 21: The answer is 3 that looks in the equation form like this: [tex]LCM(15,21) = \frac{(15*21)}{GCF(15,21)}.[/tex]

Step 2. Next, after finding The Greatest Common Factor of 15 and 21 from step #1, let's multiply the given pairs of the numbers in the brackets first, and then divide by 3 from The Greatest Common Factor that has already been found that looks in the equation form like this: [tex]\frac{(15 * 21)}{3}.[/tex]

Step 3. Then, after multiplying the given pairs of the numbers in the brackets first from step #2, let's divide by 3 from The Greatest Common Factor that has already been found that looks in the equation form like this: [tex]\frac{315}{3}.[/tex]

Step 4. Finally, after dividing by 3 from The Greatest Common Factor that has already been found, here is your answer to this math question about finding The Lowest Common Multiple of the given pairs for #15 and #21 that looks in the equation form like this: [tex]LCM(15, 21) = 105.[/tex]

I hoped that my given answer with my given explanation is very helpful to your own math question about finding The Lowest Common Multiple (LCM) of the given pairs for #15 and #21, also using my new given hint to find The Greatest Common Factor of the given pairs of the numbers is also helpful to your own math question as well according to the online calculator website is called, "Calculatorsoup.com", that's all for today, please mark me as Brainliest and have a great rest of the day! :D

Sincerely,

Jason Ta,

The ambitious of Brainly and the role of The TDSB and WHCI Student of The High School.

Step-by-step explanation:

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did you u know that

that ans is i don't khow

Answer:

C

Step-by-step explanation:

The formula to find the slope of a line is:

(y2 - y1) / (x2 - x1)

We can substitute the points (-4, 7) and (5, -8) to find the slope:

(-8 - 7) / (5 - (-4))

(-15) / (5 + 4)

(-15) / 9

This can be simplified to

- 5 / 3

which is option C

Answer:

-5/3

Step-by-step explanation:

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

m=(-8-7)/(5-(-4))

m=-15/(5+4)

m=-15/9

m=-5/3