Answer:
25 math problems
Step-by-step explanation:
He completed 10 out of x, or the total he has to do.
10/x
We know that this equals 40%
10/x=40/100
Cross multiply to solve
40*x=100*10
40x=1000
Divide both sides by 40
x=25
He must do 25 math problems
The height of the person when an anthropologist finds a human femur of length will be 183.94cm.
<h3>How to calculate the height?</h3>
In order to calculate the height, the expression to use will be:
h = 1.876l + 84.512
h = 1.876(53) + 84.512
h = 99.428 + 84.512
h = 183.94
Therefore, the height is 183.94cm.
Learn more about height on:
brainly.com/question/983412
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2 important fact to know about vertical angles:
• they’re always opposite of each other
• they’re always congruent (equal to each other)
Your answer will be:
C - ∠BEA and ∠DEF
Answer:
C) SAS
Lines BC and CD are congruent, Angles 1 and 2 are congruent, and the triangles share a side. Thus, the triangles are congruent because of Side-Angle-Side.
The [common difference, d, ] in an arithmetic sequence can be found by subtracting the first term from the second term
