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Keith_Richards [23]
4 years ago
14

Please help ~~~~~7th Grade

Mathematics
1 answer:
skelet666 [1.2K]4 years ago
3 0

Answer: x = 35

Step-by-step explanation:

120 is the whole angle and 85 is part of that angle. Use the angle addition postulate:

85+ x = 120. Subtract 85 from both sides. X = 35.

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Find the total surface area of this triangular prism base=5cm 9cm line in the middle 12cm width=20cm 2 lengths on triangle 13cm
nikklg [1K]

We have been given an image of a triangular prism. We are asked to find the total surface area of the the prism.

The total surface area of the prism wold be sum of areas of all faces.

First of all, we will find the area of base and other two rectangles on sides.

\text{Area of base}=(5+9)\times 20

\text{Area of base}=14\times 20=280

\text{Area of other two rectangular faces}=15\times 20+13\times 20

\text{Area of other two rectangular faces}=300+260

\text{Area of other two rectangular faces}=560

Now we need to find the area of two triangular faces.

\text{Area of other two triangular faces}=2\times \frac{1}{2}\times (5+9)\times 12

\text{Area of other two triangular faces}=14\times 12

\text{Area of other two triangular faces}=168

\text{Total surface area}=280+560+168

\text{Total surface area}=1008

Therefore, the total surface area of the prism is 1008 square cm.

5 0
4 years ago
(NO PLAGIARISM) (I WILL GIVE BRAINLIEST I PROMISE) (MIDDLE SCHOOL HISTORY) (NEEDS TO BE DONE BEFORE 9:00)
GarryVolchara [31]

Answer:

A significant antiquated Greek idea that impacted the arrangement of the United States government was the composed constitution. The U.S. Constitution goes about as the preeminent law of the country and builds up singular residents' privileges, like the option to free discourse or the privilege to a preliminary by a jury of one's companions. Alongside the Roman model, the majority rule model of old Greece's arrangement of self-government incredibly impacted how the initial architects set off to develop the new United States government. A government that was most directly influenced by Athenian democracy was representative democracy. Representative democracy is a framework where the chosen authorities make up the public authority and they address various types of gatherings. This is comparative however not quite the same as an immediate vote-based system.

One difference is that the U.S. has a delegate popular government and Athens has an immediate majority rules system. In Athens, just men that possess property are allowed to vote. In the U.S. any resident above the age of 18 can vote. Another difference between the Athens and U.S. democracy is that the U.S. has a representative democracy and Athens had a direct democracy. A third difference between the two democracies is that Greek thought of vote based system was not quite the same as the present-day majority rules system in light of the fact that, in Athens, all grown-up residents were needed to take a part in the government.

Step-by-step explanation:

Hope this helps

3 0
3 years ago
There are 3 High Schools and 14 Elementary Schools in the district. If this is proportional to the whole state and there are 96
Katen [24]
Proportion = 3:14 = 1:4.6666666667 (divide each number by 3)

1x96 = 96
4.6666666667x96 = 448 

96:448

448 Elementary Schools
7 0
3 years ago
Can somebody help me please!!!
Effectus [21]

Answer:

Part A: 0

Part B: 0 or 1

Step-by-step explanation:

Part A: anything to the 0 power is 1 (x^0= x^y-y) if you solve 7^2 you get 49. 49^0= 1

Part B: Because it is already being raised to the power of 0, if x=0 it will remain equal to one (as explained above). Anything raised to the 1 power is itself, so 7^0= 1 and 1^1 =1

Hope this helped!

3 0
4 years ago
5x-1/5=7/3 <br> Find The LCD That would eliminate the fractions
photoshop1234 [79]

Answer:

x=\frac{7}{15}

Step-by-step explanation:

5x-\frac{1}{5} =\frac{7}{3}

5x - \frac{3}{15}  = \frac{35}{15}

5x - \frac{3}{15}  + \frac{3}{15} = \frac{35}{15}  + \frac{3}{15}

5x=\frac{35}{15}

\frac{5x}{5} } =\frac{\frac{35}{15}}{5}

x=\frac{7}{15}

7 0
3 years ago
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