The symbol means that it is congruent.
Answer:
<h2><u>
=10b−40</u></h2><h2><u>
</u></h2>
Step-by-step explanation:
−10(4−b)
=(−10)(4+−b)
=(−10)(4)+(−10)(−b)
=−40+10b
<u>=10b−40</u>
Answer:
4x-6
Step-by-step explanation:
Six less than four times a number is four times x because times is multiplying and then subtracting six because less means minus (subtraction)
4 dozen muffins will be 2.5 cups of flour
times 5 is 12.5 cups of flour for 20 dozen muffins
Answer:
67
Step-by-step explanation:
The angle with x in it is a vertical angle to the other one labeled & the right angle put together.
Therefore:
48 + 90 = 2x + 4
Solve for x:
138 = 2x + 4
138 - 4 = 2x + (4-4)
134 = 2x
134/2 = 2x/2
X = 67
Hope this helps! Have a great day!