Solve each equation mentally
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Answer:
1. x=7
2. x=11
3. x=0.2
Step-by-step explanation:
Related Questions
Solve.- t/5 ≥ 15A.t ≤ –75B.t ≥ –75C.t ≤ –3D.t ≥ –3
-l0 = -2+1/2 d solved for d
Eva played her favorite video game for 14 hours last week. Today, Eva's parents restricted her to 4 additional hours each week for the next 7 weeks. Create the function, f(x), that models Eva's total video game time, and explain what each number in the situation represents graphically, using complete sentences.
1.solve the following equation for y 3x- 2y= 62. solve the following equation 1/3(6x-9)= 3/4(4x-8)3. solve 3(2x-1)/4= x + 7/2 the 3(2x-1) is over the 4 and the x + 7 is over the 2 i really dont understand them
a. the distribution will exhibit symmetry.
b. the distribution will exhibit a positive skew.
c. the distribution will exhibit a negative skew.
d. the distribution will uniform throughout.
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also elements of F.
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Greetings from Brasil...
G = {4; 8; 12; 16; 20; 24; 28; 32; 36; 40; 44; 48; 52; 56; 60; 64; 68; 72; 76; 80; 84; 88; 92; 96; 100; 104; ...}
F = {1; 4; 9; 16; 25; 36; 49; 64; 81; 100; ...}
So, according to the statement, it is desired:
G ∩ F - the intersection between the 2 sets, that is, which numbers are present simultaneously in the 2 sets....
Looking at the sets we conclude that
G ∩ F = {4; 16; 36; 64; 100}
OBS: note that in truth G are the multiples of 4
Final answer:
The first five elements of set H, which include positive integers divisible by 4 that are also perfect squares, are 4, 16, 36, 64, and 100.
Explanation:
The two sets mentioned in the problem are Set G, which contains positive integers divisible by 4, and Set F, which contains perfect squares. The intersection of these two sets is Set H. To find the elements of Set H, we look for numbers that are both divisible by 4 and perfect squares. The first five such numbers are 4, 16, 36, 64, and 100. For example, 16 is both a multiple of 4 and a perfect square because it can be expressed as 4*4 and is the square of 4. Similarly, 36 fits both criteria because it can be expressed as 4*9 and is the square of 6. We continue this pattern to identify the first five elements of Set H.
Learn more about Intersection of Sets here:
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Answer:
Okay, I think you mean't 4x-9=6x+12.
Step-by-step explanation:
x=-7
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Answer:
Step-by-step explanation:
We have been coordinates of a point . We are asked to find the coordinates of the point after a rotation of 180° about the origin.
We know that after rotating a point 180° about the origin, the coordinates of point changes their signs to opposite. The rule of rotating a point 180° about the origin is .
After rotating the point 180° about the origin its coordinates would be:
Therefore, the coordinates of the given point after a rotation of 180° about the origin would be .
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:
Let w = amt of water required to make a 10% solution
:
.14(18) = .10(w+18)
2.52 = .1w + 1.8
2.52 - 1.8 = .1w
.72 = .1w
multiply both sides by 10
7.2 = w
:
7.2 liters of water added
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Answer: Both has equal probability of winning.
Step-by-step explanation:
It is given that Bob and Ben, each buy one lottery ticket.
Each ticket contains six numbers from a total of one hundred numbers (0–99).
Since, both the friends have bought same number of ticket with 6 numbers on each ticket.
Probability for choosing any numbers from (0-99) is same for all numbers from 0 to 99 i.e. .
Therefore, The probability of winning would be equal for both the friends.