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igomit [66]
3 years ago
15

Need help with this math question

Mathematics
1 answer:
dolphi86 [110]3 years ago
4 0

Answer:

x = 16

Step-by-step explanation:

From the first statement, we can say that:

Angle A is equal to angle D,

Angle B is equal to and E.

Since measure of Angle B and E are given and they are equal, we equate them and solve for x.

B=E\\x+15=6x-65\\15+65=6x-x\\80=5x\\x=\frac{80}{5}\\x=16

Hence x = 16

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The base of the right triangle drawn in the regular octagon measures 0.7 cm.
Otrada [13]

Answer:

11.2

Step-by-step explanation:

a right triangle in an octagon is 1/2 a side length so to find the side length you must add .7 + .7. Next to find the perimeter of the octagon you must multiply the number of sides 8 by .14 which equals 11.2

5 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bcot%20%5Calpha%20%7D%7B1%20%2B%20cot%20%5Calpha%20%7D%20%20%3D%20%20%5Cfrac%7B1%7
strojnjashka [21]
Im not sure what its asking.. whats the question?
8 0
2 years ago
What value of r gives the line passing through (3,2) and (r,-4) A SLOPE OF 3/2
IrinaVladis [17]

Answer:

(-6,-4)

Step-by-step explanation:

to get to -4 from 2 you have to subtract 6, making the slope x/6 but you said the slope is 3/2. divide 6 by 2 and you get 3. 3x3=9 making the slope 9/6. simplify and you get 3/2

4 0
3 years ago
What is1\7 the speed of a cheetah?
klio [65]
1/7 the speed of a cheetah is 10 mph because an average cheetah can run 70 miles per hour. This means time to do some division. Envision  the denominator of 1/7 (7) as 70 and then the numerator (1) should be 10. Divide 70 by 7 should be 10. Hope this helps.
4 0
3 years ago
Read 2 more answers
Comelia and Christopher are arguing about Real Number (R) Sets. Comelia says that all Whole (W) numbers are Rational (Q) and Chr
eimsori [14]
<h3>Answer: Comelia is correct</h3>

====================================================

Explanation:

We're told that "Christopher  says that all Rational (Q) numbers are Whole (W)", which makes Christopher not correct. Some rational numbers are whole numbers. For instance, the number 7 = 7/1 is rational and it's a whole number as well.

However something like 1/2 is rational, but it's not a whole number. A whole number doesn't have any fractional or decimal part to it. It can be thought of the number of something.

Comelia is correct because all whole numbers are rational. If x is some whole number, then x = x/1 is rational as well. Replace x with any whole number you want. Her statement does not work in reverse as shown above.

When drawing a Venn diagram, the circle for "whole numbers" will be entirely inside the circle for "rational numbers", and not the other way around.

3 0
3 years ago
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