MATHEMATICS MIDDLE SCHOOL

A diagram of a room is shown. if the perimeter of the room is 78 feet, qhat is the area of the room

Answers

Answer 1
Answer:

Answer:

             380.25 ft²

Explanation:

  perimeter of a room

                        P = 78 ft

And formula for Perimeter is

                         P = 4 L            ( equation no 1 )

Put the value of P in equation no 1.

                         78 = 4 L

                          L = 78/4

                          L = 19.5

                       

As we know that if the room is square then it has 4 equal sides .

so the Area will be :

                      A = L × W

                       A = 19.5 × 19.5

                      A = 380.25 ft²

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What is 10 5/16-(5 1/4 +2 9/16)

Answers

10(5)/(16)-(5(1)/(4)+2(9)/(16))=\ \ \ \ | make\ common\ denominator\n\n10(5)/(16)-(5(4)/(16)+2(9)/(16))=\ \ \ | omit\ the\ bracket\n\n10(5)/(16)-5(4)/(16)+2(9)/(16)=7(5-4+9)/(16)=7(10)/(16)\n\nSolution\ is\ 7(10)/(16).

Why is the answer negative?

Answers

Step-by-step explanation:

cos \: x = (3)/(5) = (x)/(y) \n \implies \: x = 3 \: \: and \: \: r = 5 \n \because \: {y} = \pm\sqrt{ {r}^(2) - {x}^(2) } \n = \pm\sqrt{ {5}^(2) - {3}^(2) } \n = \pm√(25 - 9) \n = \pm √(16) \n \therefore \: y = \pm4 \n \because \: x \: lies \: in \: {4}^(th) \: quadrant \n \therefore \: y = - 4 \n \n \because \: sin \: x = (y)/(r) \n \n \huge \red{ \boxed{ \therefore \: sin \: x = ( - 4)/(5)}} \n \n \because \: tan \: x = (y)/(x) \n \n \huge \purple{ \boxed{\therefore \: tan \: x = ( - 4)/(3) }}

64 percent of what number is 48

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The answer I got was 75%

374 × 510

What are the partial products Lucas will need to solve the problem?

Answers

The partial products that Lucas would need to solve this problem would be 3,740 and 187,000 if you are multiplying 374 on the top column and 510 on the bottom column. Or, the partial products Lucas would need is 2,040 and 35,700 and 153,000. Both partial products combination added together would be 190,740.

Answer:

3,740 and 187,000

Step-by-step explanation:

The population of Linton i​

Answers

They ordered 197 bags.

3,940 divided by 20 = 197 bags

What is 7=b/11 what is b

Answers

7 = b/11

11 × 7 = 77

Answer:

b = 7
7=b supra 11 <=>7×11=b×1<=>77=b<=>b=77
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