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lora16 [44]
3 years ago
13

Type the missing number in this sequence: 1, 2, , 8, 16

Mathematics
2 answers:
Alenkinab [10]3 years ago
8 0
4 is the missing number. because your're adding each by itself. 1+1=2, 2+2=4, 4+4=8, 8+8=16. so 4 is the answer
Margaret [11]3 years ago
5 0
All the numbers are multiplied by 2 or doubled.

So the missing number after 2 is 4.

After 16 is 32.
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2x-1/3x+1=6x-1/9x-3​
shtirl [24]
The answer is x=3

So c is 3
6 0
3 years ago
Which algebraic expression represents the word expression "three times the square of a number, n, subtracted from 54"?
sveta [45]

Answer:

54 - 3n²

Step-by-step explanation:

Square of a number n = n²

Three times the square of n = 3*n² = 3n²

Expression:

54 - 3n²

3 0
2 years ago
If the largest angle of a triangle is 120° and it is included between sides of 1.5 and 0.5, then (to the nearest tenth) the larg
12345 [234]

Answer:

1.8 units.

Step-by-step explanation:

The questions which involve calculating the angles and the sides of a triangle either require the sine rule or the cosine rule. In this question, the two sides that are given are adjacent to each other and the given angle is the included angle. This means that the angle is formed by the intersection of the two lines. Therefore, cosine rule will be used to calculate the length of the largest side of the triangle. The cosine rule is:

b^2 = a^2 + c^2 - 2*a*c*cos(B).

The question specifies that a=0.5, B=120°, and c=1.5. Plugging in the values:

b^2 = 0.5^2 + 1.5^2 - 2(0.5)(1.5)*cos(120°).

Simplifying gives:

b^2 = 3.25.

Taking square root on the both sides gives b = 1.8 (rounded to the nearest tenth).

This means that the length of the third side is 1.8 units!!!

3 0
3 years ago
F(x)=3x-4 and g(x) = x2 find the value of f(3)-g(2) <br><br> show all work
zheka24 [161]

Answer: 1

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g(x) = x² => g(2) = 2² = 4

=> f(3) - g(2) = 5 - 4 = 1

Step-by-step explanation:

3 0
3 years ago
Emily's Mom sends her into the store with $10, telling her to buy as many apples as possible. If each apple costs 80 cents. how
sattari [20]

Answer:

Emily will receive 40 cents in return

3 0
3 years ago
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