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Verizon [17]
2 years ago
9

Please help.... me on this question

Mathematics
1 answer:
Sonja [21]2 years ago
8 0

Answer:

a = 30 degrees; b = 60 degrees; and c = 105 degrees.

Step-by-step explanation:

Angle a and the 30 degree angle are vertical angles and thus are equal.

Since the interior angles of a triangle always add up to 180 degrees, 30 + b + 90 degrees = 180 degrees, so that b must be 60 degrees.

Angle c and the 75 degree angle are straight angles, and so their sum must be 180 degrees.  Thus, c = 105 degrees.

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natka813 [3]

Answer:

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5 0
3 years ago
Read 2 more answers
Solve the inequalities from parts A and D for the variables b and n, respectively.
Greeley [361]

Answer:

Part A: b < 28

Part D: n < 56

Step-by-step explanation:

part A: divide each term in  and simplify.

Inequality Form: b < 28

part d: this is already solved but can be shown in multiple forms.

Inequality Form: n < 56

Interval Notation: ( -∞ , 56)

7 0
2 years ago
Answers will be auto-submitted when time expires.
padilas [110]

Answer:

Try taking a screen shot as this is indecipherable.

Step-by-step explanation:

7 0
2 years ago
The mean height of the students in Marta's class is 60 in. There are 18 students in her class. Write and Solve and equation to f
Mashcka [7]

Solution: Let x be the height of a student in Marta's class.

The mean height of 18 students in Marta's class is 60 inches

We know that:

Mean = \frac{\sum x_{i}}{n}

60 = \frac{\sum x_{i}}{18}

60 \times 18 = \sum x_{i}

\sum x_{i} = 1080

Therefore, the total measure of all 18 student's heights is 1080 inches


6 0
3 years ago
Can you help me with this
just olya [345]
Answer: $31.25

altogether she spends... 12.5×$4.50= $56.25

in total, she makes 5 beds ( 12.5÷2.5=5)

so she makes 5×$17.50= $87.50 from selling the beds.

however, $87.50-$56.25= $31.25
6 0
3 years ago
Read 2 more answers
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