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marusya05 [52]
3 years ago
11

Please help me is trigonometry or geometry idk

Mathematics
1 answer:
bazaltina [42]3 years ago
5 0

x=15

Step-by-step explanation:

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What is the least common denominator of 1/8 5/12 + 718<br>A) 216<br>B) 108<br>C) 72<br>D) 48​
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The answer is 48 i think
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2 years ago
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A trapezoid has a height of 6 inches, an area of 120 square inches, and one base measuring 13 inches. Find the length of the oth
kirill [66]

Answer:

27

Step-by-step explanation:

Givens

b1 = 13

b2 = ?

h = 6

Area = 120

Formula

Area = (b1 + b2) * h/2         Multiply by 2

2Area = (b1 + b2)*h           Divide by h

2Area/h = b1 + b2              Subtract b1 from both sides

2Area/h - b1 = b2

Solution

2*120 / 6 - 13 = b2

40 - 13 = b2

b2 = 27

It is always handy to solve an equation in the form that finds the unknown on one side. It makes the solution much easier.

6 0
3 years ago
Sammie has 3 times as many goldfish as Nora. Nora has 4 goldfish.
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For Sammie the equation would be S=3N.

If Nora (N) has 4 goldfish, you substitute N=4 into the previous equation to find out how many goldfish Sammie has.

>  S= 3 x 4 
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The next part of the question is asking you how many goldfish do Sammie and Nora have in all. If Sammie has 12 goldfish and Nora has 4 goldfish, the equation would be 12 + 4= 16

The answer would be 16 goldfish in total.

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0.01 meter or 1/100 meter equals one:
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There are 100 centimeters in a meter, so if you would divide a meter by 100, you'd get 1 centimeter.

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2 years ago
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Sandra has developed a program designed to increase reading comprehension scores in 6th graders. She randomly selects three stud
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Answer:a small sample size

Step-by-step explanation:

From the information given in the question, we are informed that Sandra developed a program that was designed to increase reading comprehension scores in 6th graders and she then randomly selects three students and has them participate in her program.

After comparing the mean score from the students who completed her program to three students who did not participate in the program, she finds no significant difference between their mean scores, it should be noted that the reason for this will be because the sample size is small.

If a large sample size was used, this could have been different as thsi could result in a significant difference between their mean scores.

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