Answer:
0.0392 = 3.92% probability that the test result is positive.
Step-by-step explanation:
Probability of a positive test:
95% of 1%(person has the disease)
100 - 97 = 3% of 100 - 1 = 99%(person does not have the disease).
What is the probability that the test result is positive?
[tex]p = 0.95*0.01 + 0.03*0.99 = 0.0392[/tex]
0.0392 = 3.92% probability that the test result is positive.
HELPPPPP PLS ILL GOVE THE BRAINLIEST ANSWER !! just help asap !!
answer is 4√2
because, using pythagoras theorem
x² = 4² + 4²
x² = 16 + 16
x² = 32
x = √32
x = √(16 × 2)
x = √16 × √2
x = 4 × √2
x = 4√2
write each answer in simplest form
6% of 75
Iready algebra expressions with exponents evaluate the expression 2b’3+5 when b = 3 help
Answer:
when you substitude 3 for b in (2b^3)+5 this should equal 23
Step-by-step explanation:
(2b^3) +5
(2(3)^3) +5
(2(9)) +5
(18) +5
Plz help me! Well put brainliest
What is the sum of the areas of circle C and circle D?
O 7 units?
7 cm
D
O 1410 units
O 49 units
O 987 units
Answer:
98pi
Step-by-step explanation:
Area of circle: pi(r)^2
A1=pi(7)^2
A2=pi(7)^2
A2+A1=98pi
please help me if you can!
Answer:
A is 55°
Step-by-step explanation:
To solve this, you need to remember that the sum of the angles inside a triangle is equal to 180 degrees.
Also, noting that this is an isosceles triangle. That means that a and b are equal. With that in mind, we can simply say:
a + b + c = 180
a ≡ b ∴ 2b + c = 180
2(4x + 31)° + (2x + 58)° = 180°
8x° + 62° + 2x° + 58° = 180°
Let's just stop right here, and note that normally you can treat symbols of measurements just like variables. We've done the same here, applying the distributive property with the ° symbol. Note though that it's currently part of every single term, so I'm going to factor it out:
(8x° + 62° + 2x° + 58°) / 1° = 180° / 1°
8x + 62 + 2x + 58 = 180
10x + 120 = 180
10x = 60
x = 6
Again noting that A and B are identical due to this being an Isosceles triangle, we can say:
A = (4x + 31)°
A = 24° + 31°
A = 55°
We can also check our answer. The sum of the angles should be 180, and two of those angles should be 55. That means that angle C should be 180 - 2 * 55, or 180 - 110 = 70. Let's test it:
70 = 2x + 58
70 = 12 + 58
70 = 70
So we know that our answer is correct.
PLEASE HELPP thanks (if you do):))
Answer:
h = 2 yd
b = 8 yd
The area of the trapezoid of 12 yd
Step-by-step explanation:
Please help with this if you don’t know don’t answer
Answer:
3\16
Step-by-step explanation:
movement of snail per hour,1/8×3/2=3/16
PLSS HELP 50 PTS
Which polygons are congruent?
Select each correct answer.
Answer:
A and B
Step-by-step explanation:
Hope this helped :)
HELP HELP HELP ALSO PLEASE EXPLAIN HOW U GOT THE ANSWER
Answer: There are 38 dogs, i got this by guessing the number and plugging it in
Step-by-step explanation:
19 x 5 = 95
19 x 2 = 38
95 + 38 = 133
Good morning! Please help me sort these out for math in the picture above ( I put letters in red so then you can just tell me where the letter goes under either possible or impossible)
Answer:
sorry hunny you on your own
Good morning can somebody help me out the answer choice are
A.56.4 degrees
B.40.0 degrees
C. 13.3 degrees
D. 33.6 degrees
Answer:
Option D
Step-by-step explanation:
Measure of adjacent side = 20
Measure of Hypotenuse = 24
Since, measures of adjacent side and Hypotenuse have been given in the question, cosine ratio will be applied to find the measure of angle x.
cos(x) = [tex]\frac{\text{Adjacent side}}{\text{Hypotenuse}}[/tex]
cos(x) = [tex]\frac{20}{24}[/tex]
x = [tex]\text{cos}^{-1}(0.833)[/tex]
= 33.55°
≈ 33.6°
Option D is the answer.
Help pls because I really need help
Answer:
answer is third,hope i helped u
16-(-10) need help plz
28.
Car A and car B are 120 km apart. If they move towards each other, they will meet in 1 hour. If they
move in the same direction, car A will catch up with car B in 5 hours. Find the speed of car A and
the speed of car B. (Assume that the speeds of the cars are constant.)
A principal wants to know if students at a particular high school are in favor of a new dress code at their school. The principal is not able to ask the opinion of every student at the school, so she needs to select an appropriate sample of the students to represent the high school. Select which sample of students the principal should choose. A Students randomly selected from a list of all students at the school. B Students sitting at randomly selected tables in the library. Students she selects from the hallway between classes. Students selected by the teachers.
Answer:
student randomly selected from a list of all students at the school
Find the midpoint M of the line segment joining the points S = (1, -2) and T = (-7,-6).
Answer:
(-3 ,-4)
I have made it in above picture
hope it helps
What is the GCF of the following terms 20n3 and 15n2 ?
please help! I need the answer
Answer:
[tex]\huge\boxed{\sf x = 3}[/tex]
Step-by-step explanation:
[tex]\displaystyle \frac{x+1}{2} + \frac{x}{3} = 3\\\\LCM = 6\\\\So, Multiply \ both \ sides \ by \ 6\\\\ (\frac{x+1}{2} * 6) + (\frac{x}{3} * 6) = 3*6\\\\3(x+1) + (x*2) = 18\\\\ 3x + 3 + 2x = 18\\\\5x + 3 = 18\\\\Subtract \ 3 \ to \ both \ sides\\\\ 5x = 18-3\\\\5x = 15\\\\Divide \ both \ sides \ by \ 5\\\\\boxed{ x = 3}\\\\\rule[225]{225}{2}[/tex]
Hope this helped!
~AH1807What’s the value of F ?
F= ??
Answer: 30 i took a test with that question
Step-by-step explanation:
At the beginning of June, Max and Sean start saving money for the fair, which occurs 10 weeks later. Sean
starts out with $20 and saves just $2 per week. Max starts out with no money, but saves 5 dollars per week.
After how many weeks will Max have more money saved than Sean?
Answer:
Step-by-step explanation:
sean has 20 +2 : 2 x 7 = 14 + 20 = 34
max has 0 + 5: 5 x 7 = 35
so after 7 week max will have more money
sujxjcidskmdowqpmwnsjxoskwajwiskskqkncbeHELP PLEASE. ANAKSMS
j
Answer:
180 degrees
Step-by-step explanation:
the triangle sum theorem states that all angles of a triangle must add up to 180 degrees. this means the answer has to be 180 degrees
Consider triangles CBD and BDE and answer the questions that follows
2.1 Which side is common in both triangles?
2.2 What can be concluded about the heights of A CBD
and A BDE? Give a reason for your answer.
2.31 Using your answers from 2.1 und 2.2 above complete
the following statements:
2.3.1 Area of A CBD
2.3.2 Area of ABDE
2.4 What can be concluded about the area of A CBD and
ABDE?
Answer:
Step-by-step explanation:
∠ABD ≅ ∠BDE..... (given).... (1)
m∠ABD + m∠CBD = 180°... (straight line ∠'s)... (2)
From equations (1) & (2)
m∠BDE + m∠CBD = 180°....(3)
m∠BDE + m∠CDB = 180°... (straight line ∠'s)... (4)
From equations (3) & (4)
m∠BDE + m∠CBD = m∠BDE + m∠CDB
m∠CBD ≅ m∠CDB.. (Proved)
Write an equation for a term value of 14. Solve your equation.
Answer:
[tex]x {}^{2} - 2x - 1 = 14 \: where \: x = 5[/tex]
What’s the slope of the line I forgot how to do it when it comes to negative ones :((!!
someone help me!! i’ll mark brain list!!
For an art project, Lisa has decided to decorate the letter block “L” (shown in the diagram) built from two rectangular prisms.
Answer:
2400
Step-by-step explanation:
HURRYYYYY I NEED HELP!!
Answer:
1. adjacent
2. vertical
3. adjacent
4. vertical
Step-by-step explanation:
1. adjacent - 2 angles are next to each other
2. vertical - 2 angles are opposite each other
3. adjacent - 2 angles are next to each other
4. vertical - 2 angles are opposite each other
The answer is 7/5
Please help:)
Answer:
AB = 1.4 or 7/5
Step-by-step explanation:
(Excuse my rambling but I wanted to be sure of myself)
AD = 2(5/2) = 5
AD is a diameter.
any triangle in a circle with the hypotenuse as the diameter is a right triangle.
Draw a line from point A to point C.
ΔACD is a right triangle.
Solve for ∠CAD:
sin CAD = 3/5 = 0.6000
∠CAD = 36.87°
arc CD = 2 x 36.87° = 73.74°
arc BC = arc CD = 73.74°
arc DB = 147.48°
∠BAD = 1/2 (147.48°) = 73.74°
draw a line from point D to point B
ΔBAD is a right triangle.
cos 73.74° = AB/5
AB = 1.4
The radius is 3 units