Answer:
Daryl = 9, Malik = 3, Terrance = 14
Step-by-step explanation:
We can use letters to represent each brother's name, so
D + M + T = 26
3M = D
D + 5 = T
then we can plug in the 3M in the third problem for D
3M + 5 = T
Then we can go back to the first problem and plug in 3M and (3M + 5)
3M + M + (3M + 5) = 26
4M + (3M + 5) = 26
7M = 21
M = 3
plug 3 in for M in the second equation:
3 x 3 = D
D=9
Then go back to the first equation:
9 + 3 + T = 26
12 + T = 26
T = 14
So T = 14
D = 9
and M = 3
Answer:
y=4/5x
Step-by-step explanation:
The missing number is 20
<h3>How to determine the number</h3>
We can see that the values at the top must be made equal to that at the bottom
For the top, we have
30 + 11 = 41
For the bottom, we should have:
21 + x = 41
Now, let's solve for 'x' to determine the missing figure;
21 + x = 41
collect like terms
x = 41 - 21
x = 20
Thus, the missing number is 20
Learn more parallel lines here:
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Answer: The measure of non-reflex ∠DOB is 108° and the measure of reflex ∠DOB is 252°.
Explanation:
It is given that the reflex angle ∠DOB has measure of 3.5y while the measure of ∠AOD is y.
From the given figure we can say that angle AOC and COB are supplementary angles and their sum is 180 because they are lies on a straight line.
Therefore the value of y is 72.
Therefore the reflex and is 252 degree.
The measure of non-reflex ∠DOB is,
Therefore, the measure of non-reflex ∠DOB is 108° and the measure of reflex ∠DOB is 252°.
