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Answer: <em>The correct options are.....</em>
<em>A) and</em>
<em>B) </em>
Step-by-step explanation:
Suppose, the number of e-mails Danette had in her inbox before she started reading was .
Percentage of read emails is 80%, so the number of read emails
<u>Thus, the number of unread emails</u> , <u>which is given as</u> .
So, the equation will be........
Thus, the expressions which could represent the number of e-mails Danette had in her inbox before she started reading are: or
Answer: ∠A = 20°; ∠B = 59°; ∠C = 101°
Step-by-step explanation:
<u>According to the problem:</u>
- ∠A = ∠A
- ∠B = 4 · ∠A - 21°
- ∠C = 5 · ∠A + 1°
<u>All interior angles within a triangle adds up to 180°:</u>
∠A + ∠B + ∠C = 180°
<u>Substitute in the value of ∠A into the other equations:</u>
∠B = 4 · ∠A - 21° = 4(20°) - 21° = 80° - 21° = 59°
∠C = 5 · ∠A + 1° = 5(20°) + 1° = 100° + 1° = 101°
Answer:
100
Step-by-step explanation:
Solve for m
2m= 40
Divide both sides 2
m= 20
5(20)= 100
Answer:
The value of y must be greater than 3/17
Step-by-step explanation:
To find out the value of y, wee need to solve the inequality
Multiply by 4 both sides to remove the fraction
subtract 3y both sides
Adds 4 both sides
Divide by 17 both sides
The value of y must be greater than 3/17