Let x be the blank number
x 1/2= 422/2
Cross multiply
x(1)*(2) = 422*2
2x = 844
Divide both sides by 2
2x/2 = 844/2
x = 422
I hope that's help !
The sine of the measure of an angle in a right triangle, is the ratio of the opposite side of that angle, to the hypotenuse.
The cosine of the measure of an angle in a right triangle, is the ratio of the adjacent side of that angle, to the hypotenuse.
According to these, we have:

and

.
Thus, the ratios of both are identical
Answer:215
Step-by-step explanation: If she has read 25 on Monday, 25 on Tuesday, and 55 on Wednesday, then she had read 105 in total. To find how many she has left, we subtract.
320-205=215
Answer:
17.5 i think
Step-by-step explanation:
7/8 in a decimal is 0.875 and 0.875x20=17.5
hope this helps if my answer is right pls make it the brainliest