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3 years ago

Using the figure below, identify the measurements of Angle 3 and Angle 8. Pls help

Mathematics

1 answer:

katrin2010 [14]3 years ago

6 0

Answer:

Angle 3 is 75 degrees

Angles 8 is 105 degrees

Step-by-step explanation:

Angle 3: One line t, angle 3 and the one measure 105 are supplementary and equal to 180 degrees. Subtract 105 from 180.

Angles 8: The angle that measures 105 and angle 8 are alternate exterior angles. This means both angles are equal.

Hope this helps!

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Sonbull [250]

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3 years ago

All real number that are less than or equal to -3 and greater thank or equal to -8

Mariulka [41]

Answer:

-3, -4, -5, -6, -7, -8

Step-by-step explanation:

Im not sure if that is what you are looking for or if you want x ≤ -3 and x ≥ -8

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4 years ago

Which expression is equivalent to -1/2 (3- 2/5) ?

Pani-rosa [81]

Answer: The answer is -3 1/2 - 1/5

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Step-by-step explanation:

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3 years ago

Find the surface area of the triangular prism. 15.6 cm 10 cm 11 cm 12 cm

dimulka [17.4K]

Answer:

533.6cm²

Step-by-step explanation:

Hello!

I'm here to answer your question!

Area of each triangular base:

$\frac{1}{2}(12)(10)=60$

Area of the rectangular faces:

$12\times 11 =132$

$15.6\times 11=171.6$

$10\times 11=110$

Add to find the surface area:

$60+60+132+171.6+110=533.6$

Thus, the surface area of the triangular prism is = 533.6 yd²

Hope this helps you!

Hugs from,

Josh

6 0

3 years ago

Read 2 more answers

A theatre has 15 seats in the first row, 20 seats in the second row, 25 seats in the third row, and so on. Write the linear equa

viktelen [127]

Answer: The answer is (n = 5r + 10).

Step-by-step explanation: Given that in a theatre, there are 15 seats in the first row, 20 seats in the second row, 25 seats in the third row, etc.

We are to write the linear equation that represents the number of seats 'n' in each row 'r'.

Now,

Number of seats in the 1st row = 15 = 5 × 3 = 5 × (1+2),

number of seats in the 2nd row = 20 = 5 × 4 = 5 × (2+2),

number of seats in the 3rd row = 25 = 5 × 5 = 5 × (3+2), etc...

Therefore, number of seats 'n' in the r-th row is given by the following linear equation -

n = 5 × (r+2), i.e., n = 5r + 10.

Thus, the required linear equation is n = 5r + 10.

7 0

4 years ago