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statuscvo [17]
3 years ago
10

Please can someone help meeeee with my maths homework!!!!!!! I’m really bad at maths!!!!!!

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

Answer:

Step-by-step explanation:

2a the answer is 50

we know that the sum of angles in a triangle is 180, so we do 180-90-40 to find the missing angle because two of the angle measurements are already given.

2b the answer is 76

we know that the sum of angles in a triangle is 180, so we do 180-52-52 to find the missing angle because two of the angle measurements are already given.

2c the answer is 36

we know that the sum of angles in a triangle is 180, so we do 180-126-18 to find the missing angle because two of the angle measurements are already given.

3a the answer is 134

we know that the measure of an exterior angle is the sum of the two remote interior angles, so we do 61+73

3b the answer is 126

we know that the measure of an exterior angle is the sum of the two remote interior angles, so we do 90+36

3c the answer is 92

we know that the measure of an exterior angle is the sum of the two remote interior angles, so we do 48+46

the last one, the answer is 105

to find the measure of an angle is a regular polygon, use the formula

((n-2)*180)/n  n = the number of sides

we use this to find the angle measure of the octagon, and we get 135

we use this same formula to find the angle measure of the hexagon, and we get 120

add both of those up 120+135 = 255

then subtract that from 360 because the 360-255 = 105

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Answer:

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Step-by-step explanation:

\begin{array}{cc}\text{Mathematical expression}&\text{Translation}\\ \\xy&\text{The product of two numbers}\\ \\\dfrac{x}{y}&x\text{ divided by }y\\ \\x-y&x\text{ minus }y\\ \\x+y&\text{the sum of }x\text{ and }y\\ \\y-x&x\text{ subtracted from }y\\ \\y:x&y\text{ divided by } x\\ \\x+y=6&\text{the sum of two numbers is 6}\\ \\xy=6&\text{the product of two numbers is 6}\\ \\6x=y&\text{6 times a number equals }y\\ \\y=x-6&\text{6 less than a number is }y\end{array}

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Step-by-step explanation:

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