Opposite rays are two rays that share the same endpoint. Good Definition? or not and why?
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Related Questions
A rabbit population is modeled by y = StartFraction 20 Over 1 + 4 e Superscript negative 0.5 t Baseline EndFraction, where y is the number of rabbits after t months. How many rabbits were there initially?142050Its B. 4Somone please put a random response
Given: ∠LKM ≅ ∠JKM∠LMK ≅ ∠JMKProve: ∆LKM ≅ ∆JKMWhich method can you use to prove these triangles congruent?the ASA Postulatethe SAS Postulatethe HL Theoremthe AAS Theorem
The equation of the line of best fit of a scatter plot is y = 12x + 7. What is the slope of the equation? −12 −7 12 7
Function form 5x-7y=14
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x-y=1
2x+3y=7
x=1+y
2*(1+y)+3y=7
x=1+y
2+2y+3y=7
x=1+y
5y=5 |(:5)
x=1+y
y=1
x=2
CHECK:
2x+3y=7
x-y=1
2*2 + 3*1 = 7
x-y = 1
2-1 = 1
2(2)+3y=7
4+3y=7
subtract 4 from both sides
3y=3
divide both side by 3
y=1
2x+3y=7
2x+3=7
2x+3y=7
subtract 3y from both sides
2x=7-3y
divide both side by 2
x=3.5-1.5
x=2
then you do the x-y=1
x-y=1
2-1=1
1=1
in the end both answers are 1 so that means that i did it right. that means that x=2 and y=1
Answers
expand
(x-3)^2=0
(x-3)(x-3)
foil
first: x time x=x²
outter: -3 times x=-3x
inner:x times -3=-3x
last: -3 times -3=9
add them
x²-3x-3x+9=0
x²-6x+9=0
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Explanation:
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Given: (x – 3)² = 0 ; write as: general form: "ax² + bx + c = 0"; a ≠ 0 .
Note: (x – 3)² = (x – 3)(x – 3) = x² – 3x – 3x + 9 = x² – 6x + 9 ;
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Rewrite: (x – 3)² = 0 ; →
as: x² – 6x + 9 = 0 ; which is our answer.
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→ x² – 6x + 9 = 0 ; is in "general form", or "standard equation format"; that is: " ax² + bx + c = 0 "; (a ≠ 0) ;
→ in which:
a = 1 (implied coefficient, since anything multiplied by "1" is that same value);
b = -6;
c = 9
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The angle at vertex D is acute.
The angle at vertex F is obtuse.
Triangle DEF is a right triangle.
The angle at vertex D is obtuse.
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check each option
1st one: obtuse triangle
osbuse means that the triangle has an angle more than 90 degrees
remember that all angles add to 180
90 is one
90+D+F=180
D+F=90
so those 2 mystery angles both have to be less than 90 so therefor none of them can be obtuse
not 1st option
2nd: angle at D is acute
acute means less than 90
so we remember that
D+F=90
no angle can be 0 so let's say F is a very small number like 0.0001
then D would be 89.9999
still less than 90, it is acute
this 2nd optin is right
3rd: angle at F is obtuse
wrong, from 1st one, no obtuse angles
3rd option is wrong
4th: right triangle
duh, a right triangle has a right angle in it
90 degrees is a right angle
yes
4th optin is right
5th: D is obtuse
naw, fam. no obtuse angles here
the right answers are 2nd and 4th or
The angle at vertex D is acute and
Triangle DEF is a right triangle
Answer:
In other words, A, D.
Step-by-step explanation:
Answers
Answer:
560 mSv of radiation
Step-by-step explanation:
To calculate how much radiation Karissa has built up over 14 days, we need to first calculate the amount of potassium in her bones after 14 days. We can do this using the function f(x):
where x is the amount of time in days, and f(x) is the amount of potassium in Karissa's bones in milligrams.
To calculate the amount of potassium in Karissa's bones after 14 days, we would simply substitute x = 14 into the function:
f(14) = 400 × 14 × 422
f(14) = 2363200 milligrams
Now that we know how much potassium is in Karissa's bones, we can calculate how much radiation she has built up.
We know that there is 0.1 mSv of radiation per 422 milligrams of potassium, so we can simply multiply the amount of potassium in Karissa's bones by 0.1 mSv/422 mg to calculate the amount of radiation she has built up:
Therefore, Karissa has built up 560 mSv of radiation over 14 days.
Step-by-step explanation:
Substituting x = 14, we have f(14) = (400)(14)(422) = 2,363,200 mg of Potassium accumulated.
This is equivalent to (2363200)(0.1/422) = 560 mSv of radiation.
Answers
5:7
Step-by-step explanation:
To simplify the ratio 25:35, you can divide both numbers by their greatest common divisor (GCD). In this case, the GCD of 25 and 35 is 5. So, dividing both numbers by 5 gives us the simplified ratio: 5:7.
Answer:
25:35 or 25/35 = 5/7 or 5:7
Step-by-step explanation:
1. Start with the ratio 25:35.
2. Find the HCF of 25 and 35. The HCFof 25 and 35 is 5.
3. Divide both numbers in the ratio by the HCF.
25 ÷ 5 = 5
35 ÷ 5 = 7
4. The simplified ratio is 5:7.
Therefore, the simplified form of the ratio 25:35 is 5:7.
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The probability of picking a green jelly bean with the first pick is 4/14 = 2/7, because there are 14 jelly bean in total (6 red + 4 green + 4 blue) and 4 of them are green.
If you pick a green jelly bean at the beginning, you have 13 jelly beans remaining, of which 6 are red. So, the probability of picking a red jelly bean is now 6/13.
You want these two events to happen one after the other, to be more precise you want to pick a green jelly bean with the first pick AND a red jelly bean with the second pick. We know the probabilities of the two events, so we have to multiply them to get the probability of them happening both: