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Bingel [31]
3 years ago
8

A statement that is true both forwards and backwards is called a?

Mathematics
2 answers:
wel3 years ago
8 0
A statement that is true both forwards and backwards. That is the original statement<span> and its converse are </span>both true<span>.</span>
spin [16.1K]3 years ago
6 0
A Bi-Conditional Statement - <span>A statement that is true both forwards and backwards. That is the original statement and its converse are both true</span>- 
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If the radius of the circle is 7 cm, find its area, rounded to 2 decimal places.
stich3 [128]

Answer:

153.94

Step-by-step explanation:

The formula for area is pi*radius^2

the radius is 7, so we do pi7^2 which is 49pi

49pi is 153.93804 which is 153.94 rounded to two decimal places

8 0
3 years ago
An engineer is standing 250 meters away from a building. She measures the angle of elevation to the top of the building to be 30
RSB [31]

Answer:

144m

Step-by-step explanation:

we would used tan 30 to determine the height of the building

tan 30 = opposite / adjacent

0.5774 x 250 = 144m

3 0
3 years ago
Please help asap!!!!!!!
koban [17]

Answer:

-2

Step-by-step explanation:

7 0
2 years ago
When exercising, the maximum heart rate (r ) in beats per minute is modeled by the equation shown in the box, where (a ) represe
worty [1.4K]

Answer:

186 beats per minute

Step-by-step explanation:

The maximum heart rate (r ) in beats per minute is modeled by the equation :

r = 220 - a ...(1)

Where

a is age of the person in years

If Sanchez age is, a = 34 years

Put a = 34 in equation (1)

r = 220 - 34

= 186 beats per minute

Hence, the maximum heart rate is 186 beats per minute.

7 0
3 years ago
Two teachers compared the mean absolute deviation of the scores from the semester exam they gave to their students. Mrs. Alvarez
Monica [59]

Answer:

C. Mrs. Alvarez's scores were less spread out than Mr. Crawford's scores.

Step-by-step explanation:

Mean Absolute Deviation is one of the Statistical measures which we can you to determine the variation that exist amongst a given set of data

Mean Absolute Deviation can be defined as how far or the distance between one set of data to another set of data.

The smaller the Mean Standard Deviation, the lower the degree of variation in the set of data. The data is less spread out

The larger the Mean Standard Deviation, the higher the degree of variation in the set of data. The data is Largely spread out

We are told in the question that:

Mrs. Alvarez's scores had a lower mean absolute deviation than Mr. Crawford's scores. Our conclusion would be that Mrs. Alvarez's scores were less spread out than Mr. Crawford's scores.

Option 2 is correct.

3 0
3 years ago
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