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telo118 [61]
2 years ago
8

10. The sum of the measures of the angles of a triangle is 180°.

Mathematics
1 answer:
Harman [31]2 years ago
8 0

Answer:

180 - 35 - 45= 100

Step-by-step explanation:

<h2>100 is the missing measure</h2>
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What is the value of the expression
Art [367]

Answer:

D 41/10

Step-by-step explanation:

substitute the values given into the equation. Calculate.

4 0
3 years ago
The average mark of candidates in an aptitude test was 128.5 with a standard deviation of 8.2.Three scores extracted from the te
Luba_88 [7]

Answer:

102

Step-by-step explanation:

We have the mean (m) 128.5 and the standard deviation (sd) 8.2, we must calculate the value of z for each one and determine whether or not it is an outlier:

z = (x - m) / sd

In the first case x = 148:

z = (148 - 128.5) /8.2

z = 2.37

In the second case x = 102:

z = (102 - 128.5) /8.2

z = -3.23

In the first case x = 152:

z = (152 - 128.5) /8.2

z = 2.86

The value of this is usually between -3 and 3, therefore when x is 102 it goes outside the range of the value of z, which means that this is the outlier.

3 0
2 years ago
What is the surface area of the rectangular pyramid below?
mezya [45]

Answer:

  A.  675 units²

Step-by-step explanation:

The formula for the surface area of a square pyramid is ...

  A = s(s +2h)

where s is the side length of the base, and h is the slant height of a face.

__

<h3>use the formula</h3>

The given pyramid has s=15 and h=15, so the surface area is ...

  A = (15)(15 +2×15) = 15(45) = 675 . . . square units

3 0
2 years ago
What number do you divide by 9 to get -5?
Sliva [168]

Answer:

-45

Step-by-step explanation:

9*(-5)=-45

6 0
3 years ago
Read 2 more answers
There are 45 students who play a woodwind instrument in the school band. Of these, 18 play the saxophone. What percent of these
Mashutka [201]

Answer:

40% students play the saxophone.

Step-by-step explanation:

Given:

Total Number of students who play woodwind instrument = 45

Number of students who play saxophone = 18

We need to find the percent of students who play saxophone.

Solution:

Now we can say that;

To find the percent of students who play saxophone we will divide Number of students who play saxophone by Total Number of students who play woodwind instrument and the multiply by 100.

framing in equation form we get;

percent of students who play saxophone = \frac{18}{45}\times100= 40\%

Hence 40% students play the saxophone.

3 0
3 years ago
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