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3 years ago

Help me please on 12

Mathematics

2 answers:

Juli2301 [7.4K]3 years ago

8 0

Answer:

Well give the other person brainiest because his or hers answer was a good a better answer than mines so give him brainiest answer the question because i do not know this answer

Step-by-step explanation:

sorry for not answering.

VARVARA [1.3K]3 years ago

5 0

Answer:

A. T= S+I

B. T= 325m+ 3600

C. T= 11,400

Step-by-step explanation:

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3x+4/5=7-2x what does x=

klemol [59]

Answer:

x=31/25

Step-by-step explanation:

3x+4/5=7-2x

Multiply through by 5

5(3x+4/5)=5(7-2x)

15x+4=35-10x

Collecting like terms

15x+10x=35-4

25x=31

x=31/25

4 0

3 years ago

PLEASE HELP. ITS A MINI-QUIZ / HOMEWORK AND ITS TRIANGLES.

polet [3.4K]

Answer:

76 degrees

180-38-38 is 104

180-104 is 76 since it's a straight line which equals to 180 degrees

3 0

3 years ago

Read 2 more answers

A triangle has sides with length of 11 feet 12 feet and 13 feet. Is it a right triangle

krek1111 [17]

Answer:

Step-by-step explanation:

It will be a right triangle if it follows Pyhthagoras Theorem . Where the sum of squares of two smaller sides is equal to the square of the 3rd side. Let's check ,

→ 11²+ 12² = 13²

→ 121 + 144 = 169

→ 265 ≠ 169

<h3>Hence the ∆ is not a right angled triangle </h3>

7 0

3 years ago

A cylindrical well is 15 meters deep and has a diameter of 1.6 meters. Approximately how many cubic meters of soil were dug out

REY [17]

Answer:30.144 cube meter

7 0

3 years ago

Solve the triangle for all missing sides and angles

Mama L [17]

Answer:

x = 35

C = 18.92

A = 71.07

Step-by-step explanation:

Use the Pythagorean theorem to find the unknown side.

$a^{2} +b^{2} =c^{2} \\\\\\12^{2} +x^{2} =37^{2} \\x^{2} = 37^{2}-12^{2}\\x=35$

For Angle C

The angle C can be found using the inverse sine function.

C=arcsin(opp/hyp)

C=arcsin(12/37)

C=18.92

For Angle A

The sum of all the angles in a triangle is 180 degrees.

A + 90 + 18.92 = 180

A = 71.07

8 0

3 years ago