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worty [1.4K]
3 years ago
12

Number 7 please help.

Mathematics
2 answers:
Korolek [52]3 years ago
8 0

C is the correct answer. hopes this helps

inysia [295]3 years ago
6 0

The answer is C. I took 4.5% of $70.00 and added it back to the $70.00 then repeated 2 more times.

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angle C is a right angle and given the conditions c=2 B= 45 degrees, solve for the side lengths of the right triangle
worty [1.4K]
Since the triangle is 45,45,
90 arrangement. We can use the special triangle trick. Which gives us 2,2 and square root of 2 times 2
8 0
3 years ago
A matched-pairs t-test is NOT an appropriate way to analyze data consisting of which of the following? Measurements of annual in
o-na [289]

Answer:

Step-by-step explanation:

A matched pair t test is one in which the set of data is divided into two sets of data and the test is done to test the difference between the pairs. Sometimes this is called paired t test.\

This is done normally where one group of sample or population can be paired with other group of sample /population.

Hence

A .Measurements of annual income for each twin for 100 randomly selected pairs of twins -- True

B. Measurements of annual income for both individuals in pairs formed by matching 100 people from State A and 100 people from State B based on level of education -- True

C. Measurements of annual income for both individuals in pairs formed by assigning 100 people to pairs at random -- True

D. Measurements of annual income recorded for both spouses of 100 randomly selected married couples  --False here we cannot say paired as these people are not grouped under the same conditions.

7 0
3 years ago
Prove that in any triangle the length of a side is less than the half of the perimeter in statement reason format.
horrorfan [7]

Answer:

Proved

Step-by-step explanation:

I am going to pose c as the largest side in a random triangle

If so then remember that, by the triangle inequality, a + b > c. Let's start from there...

Statement:                         |                                  Reasoning:

1. a + b > c                                                             1. Triangle Inequality

2. a + b + c > c + c (adding c on both sides),      2. Algebra + Def. Of Perimeter

   a + b + c > 2c (simplified)

   Perimeter > 2c (definition of perimeter)

   c < 1/2 * Perimeter

3 0
3 years ago
The question is the picture , if you know it please answer I’m having trouble with this particular question
baherus [9]

Answer:

d

Step-by-step explanation:

the slopes (2/3x and -5/4x) are not equal but the y-intercepts (3) are and d is the only one that states that

5 0
2 years ago
HELP! WILL MARK BRAINLIEST IF CORRECT!
kicyunya [14]

Answer:

battery costs $5, tax is $1.20, and so the total is $26.20

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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