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Elodia [21]
3 years ago
14

A. Find x B. Find the measure of angle b C. Find the measure of angle c

Mathematics
1 answer:
sdas [7]3 years ago
8 0

Answer:

3, 50 and 70

Step-by-step explanation:

Using exterior angle property, we have 15x+5+22x+4=120, 37x+9=120. x=3

B=15x+5=50

C=22x+4=70

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Can anyone help me with this?
erma4kov [3.2K]

Answer:  16y² - x²

Step-by-step explanation:  The - sign means a difference, so the choices with + signs are eliminated (though 64x² and 9 are squares)

10 is not a square so that one is eliminated (though the y² and the 4x² are squares)

16 is the square of 4, y² is the square of y, and x² is the square. That expression shows a difference of squares.

3 0
3 years ago
mrs Moore worked 42 hours and 35 minutes last week. How many hours and minutes did she average in each of the five days?
il63 [147K]

Answer:

6.08333333 hours

Step-by-step explanation:

((42 hours) + (35 minutes)) / 7 = 6.08333333 hours

hope this helps LOL :)

8 0
3 years ago
Read 2 more answers
5.2x+8+2.1x-3 which is an equivalent expression by combining like terms A. 5.2x+8+2.1x-3 B. 5.2x+5+2.1x C 13.2x-0.9x D 7.3x+5
satela [25.4K]

Answer: 7.3x + 5

Step-by-step explanation:

For us to solve the question, we have to solve 5.2x+8+2.1x-3 and the answer gotten will allow us know the equivalent expression.

= 5.2x+8+2.1x-3

= 5.2x + 2.1x + 8 - 3

= 7.3x + 5

Therefore, the correct answer is 7.3x + 5

7 0
3 years ago
HELP ASAP<br> TYSM TYSM What is the surface area of the square pyramid?<br> I put a picture!<br> ⬇️
levacccp [35]

Answer:

the surface area is 133cm.

7 x 7 is 49

7 x 6 is 42.

42 divided by 2 is 21.

21 x 4 is 84

So 84 + 49 is 133.

3 0
3 years ago
A donut machine makes small glaze donuts the diameter of each doughnut is 8 cm. What is the circumference of each doughnut creat
kotegsom [21]

Answer:

50.29 cm

Step-by-step explanation:

Given:

Diameter of each doughnut = 8 cm

To find: circumference of each doughnut

Solution:

Circumference refers to the boundary of a geometric figure.

A doughnut has the shape of a circle.

Let r represents the radius of the circle.

Diameter of each doughnut = 8 cm

Radius of each doughnut (r) = Diameter/2

=\frac{8}{2}\\ =4 \,\,cm

Circumference of each doughnut =\pi r^2\\

Put r=4\,\,,\pi=\frac{22}{7}

So, circumference = =\frac{22}{7} (4)^2

=\frac{352}{7} \,\,cm\\=50.29\,\,cm

4 0
3 years ago
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