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vredina [299]
3 years ago
7

Answer to 38×21 using area model

Mathematics
1 answer:
docker41 [41]3 years ago
4 0
La respuesta correcta es 798 por que si multi plicas el valos agregado te daras cuenta que esa es la respuesta 
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Solve. <br> | 3x + 1 | = 2
qwelly [4]
Since this is an absolute value equation, it will have two answers. For the first answer, take away the absolute value bars and solve 3x + 1 = 2. Subtract 1 from both sides to get 3x = 1 and divide each side by 3 to get x = 1/3. Now onto the second solution. This time, take away the absolute value bars and make the other side of the equation, the 2, negative, to get 3x + 1 = -2. Now solve this by subtracting 1 from each side to get 3x = -3 and divide each side to get the other answer which is x = -1. The answer is x = -1 or 1/3, hope this helps!
8 0
2 years ago
Read 2 more answers
Volume of a cone = r²h,
inessss [21]

Answer:

7.5 m           457.5\pi m^{2}

Step-by-step explanation:

First, visualize the original cone and the smaller cone as overlapping similar triangles. The scale factor of the original cone to the smaller cone is 50:40, so if the smaller cone has a radius of 6 m, then the radius of the original cone would be 7.5 m.

The volume of the frustum is the volume of the original cone minus the volume of the smaller cone. The formula for the volume of a cone is V = \frac{1}{3} \pi r^{2}h.

Original Cone = \frac{1}{3} \pi r^{2}h = \frac{1}{3} \pi *7.5^{2}*50 = 937.5\pi

Smaller Cone = \frac{1}{3} \pi r^{2}h =  \frac{1}{3} \pi *6^{2}*40 = 480\pi

Frustum = 937.5\pi - 480\pi = 457.5\pi

6 0
2 years ago
Is 1/2gallon less than 2quarts or equal to 2quartS or more than 2 quarts
Andrew [12]

Answer: equal to

Step-by-step explanation:

There are 4 quarts in a gallon

6 0
3 years ago
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According to the graph, how much money is spent on education?
Nadya [2.5K]

Answer:

16 million

Step-by-step explanation:

The United States spends an average $15,908 per pupil on postsecondary education and $33,063 per pupil on graduate and postgraduate education. The nation's gross domestic product (GDP) grows 71.6% faster than public education spending.

5 0
2 years ago
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Write the sentence as an inequality
oee [108]

Answer:

X2+4<10

Step-by-step explanation:

7 0
2 years ago
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