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swat32
3 years ago
8

Can yall help me plz 20 pt

Mathematics
1 answer:
scoundrel [369]3 years ago
4 0

Answer:

t=0.45n

Step-by-step explanation:

1.8/4=4.5

6.75/4=4.5

t=0.45n

If this helps please mark as brainliest

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A rectangle with vertices located at (1,2), (1,5), (3,5), and (3,2) is stretched horizontally by a factor of 3 with respect to t
Vika [28.1K]

Answer:

  18 square units

Step-by-step explanation:

The given rectangle has an x-dimension of 3-1 = 2, and a y-dimension of 5-2 = 3. Stretching the x-dimension by a factor of 3 will multiply it to ...

  2×3 = 6

and give you a rectangle 6 units wide by 3 units high. Its area will be ...

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4 years ago
Belle will randomly select two cards without replacement what is the probability that both will choose two hearts​
Travka [436]

Answer:

Step-by-step explanation:

7 0
3 years ago
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A school has an equal amount of boys and girls. You use a coin to simulate the first three students to arrive at school each day
Nimfa-mama [501]

Answer:3/20

Step-by-step explanation:

Heads=Boy

Tails=Girl

If the first 3 students are boys, all 3 coins must be heads.

Because in 3 of these experiments, the coins all land on heads, and there are 20 experiments completed, 3 out of the 20 experiments are 3 boys; 3/20.

3 0
3 years ago
Sue wants to know whether wearing sunglasses improves driving performance. If she uses an independent groups design, she would m
MakcuM [25]

Answer:

randomly requiring half the drivers to drive with sunglasses and the other half to drive without sunglasses.

Step-by-step explanation:

When employing an independent group design in a research or experimental study, the different groups in the study are assigned entirely different subjects such that, subjects in the treatment group are different from those in the control group. Therfore, adopting an independent group design in the scenario described above means diving the subjects into two at random with one half driving with sunglasses and the other half having to drive without it.

4 0
3 years ago
Mathematics, Help, not sure about my answer on this one
olga nikolaevna [1]

Answer:

F. 2 1/9

Step-by-step explanation:

Step 1: Substitute q

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When you plug in <em>n</em> = 1, 2, 3:

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So our answer is F.

3 0
3 years ago
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