Answer: 8
Step-by-step explanation:
x^2 = (34•34)-1,092
x^2= 1,156-1,092
x^2= 64
x=8
There were 25 problems in Mark's test. 92% of the problems he answered correctly. How many wrong answers were in Mark's test?
Answer:
2 incorrect answers
Step-by-step explanation:
If you take the percentage correct, you will notice its a particularly high score for the amount of questions. In this case, instead of using a really long theorem, its much simpler to just input numbers.
To find your score on a test out of 100%, you take your amount correct and divide it by the total number of questions, then multiply by 100.
If you take 24/25, you get 0.96, which if multiplied 100*0.96=96%
Now its simple, just go 23/25 to get 0.92, multiplied 100*0.92=92% correct, 25-23=2 so the amount of incorrect answers would be 2.
Solve 6f-4g=1,6f-6g=5
Answer:
The solution is (-1/2, -2)
Step-by-step explanation:
Given 6f-4g=1,6f-6g=5, write these in columnar form:
6f-4g=1
6f-6g=5
Change all of the signs in the first equation:
-6f + 4g = -1
6f-6g=5
-------------------
-2g = 4, and so g = -2
Substituting -2 for g in either equation enables us to find f. Let's use the first equation: 6f - 4(-2) = 5 yields 6f + 8 = 5, or 6f = -3
Then f = -1/2 and g = -2. The solution is (-1/2, -2)
In a class of 19 students, 12 are female and 13 have an A in the class. There are 4 students who are male and do not have an A in the class. What is the probability that a student chosen randomly from the class does not have an A?
answer is
6/19
× whats the point of this
The likelihood of selecting a classmate at random who does not have an A is 6/19.
What is probability?Probability is a number that expresses the likelihood or chance that a specific event will take place. Both proportions ranging from 0 to 1 and percentages ranging from 0% to 100% can be used to describe probabilities.
To find the probability of a student not having an A, we need to first find the total number of students who do not have an A.
The number of students who have an A is 13, so the number of students who do not have an A is:
19 - 13 = 6
Out of these 6 students, 4 are male and 2 are female.
So, the probability of choosing a student randomly who does not have an A is:
P(not A) = number of students without an A / total number of students
P(not A) = 6 / 19
Therefore, the probability of choosing a student randomly from the class who does not have an A is 6/19.
Learn more about probability here:
https://brainly.com/question/30034780
#SPJ2
please help me I WILL REPORT YOU FOR A LINK OR UNHELPFUL ANSWER i give brainliest
the answer is x = -2
Solve for x: 10^x = 9
A. x = log 9
B. x = log^9 10
C. x = log 10
Answer:
A. x = log 9Step-by-step explanation:
10^x = 9Log both sides:
log 10^x = log 9x log 10 = log 9x*1 = log 9x = log 9Correct choice is A
Answer:
A x=9
it's right answer ok
What is the radius of the copper circle?
9514 1404 393
Answer:
(1+√2)/2 ≈ 1.207 cm
Step-by-step explanation:
The angled flats are at 45°, so the length in the direction of a vertical or horizontal radius is (1 cm)/√2 = (1/2)√2 cm. The remaining length of that radius is half the length of a flat, so is 1/2 cm. The total length of the radius is ...
1/2 + 1/2√2 = (1+√2)/2 ≈ 1.207 cm
_____
In trigonometry terms, the length of the flat is ...
1 cm = 2(r)(tan(45°/2))
so the radius is ...
r = (1 cm)/(2·tan(22.5°))
r = (1/2)cot(22.5°) ≈ 1.207
PLEASEE HURRY
Every person who comes to a party wears a shirt with six buttons. Which equation models a relationship between people at the party, X, and the number of buttons, Z
Answer:
2
Step-by-step explanation:
2
Two quarters, 2 dimes and three six-sided dice are tossed. How many
results are possible?
Mr Keen, a band teacher wanted to know if certain types of instruments are
more appealing to one gender or the other. So he conducted a survey of his
students preferences. The results are complied in the chart below: What is the
ratio of the number of girls preferring woodwind instruments to the number of
boys preferring woodwind instruments? *
Instruments
Boys
Girls
15
23
Strings
Woodwind
19
30
Brass
27
13
Percussion
32
25
Your answer
P
Answer:
23:22
Step-by-step explanation:
See the image!Please answer my question
Answer:
B
Step-by-step explanation:
(1×3)/2 +
3×11 +
(6×3)/2
=
1,5+33+9=43,5
The graphs below have the same shape. What is the equation of the blue graph?
Answer:
My best guess will have to be B
Step-by-step explanation:
i remember this question
Jax used cubes to make the right rectangular prism below.
He then made a smaller right rectangular prism using 1/4 of the number of cubes. what was the volume, of the smaller rectangular prism?
to find the answer, take the number of cubes of the first rectangular prism, then divide that by 4 and there's your answer.
What is the domain of the following graph?
Answer:
e21
Step-by-step explanation:
32
Answer:
See explanation below
Step-by-step explanation:
Domain: -5 ≤ x < 4
Range: -1.5 ≤ y < 1 and 3 ≤ y < 5
Hope this helps!
PLEASE HELPP! Its really important
........Option C ) n × 2 = t
Step-by-step explanation:
Hey there!
In (a) part let us take the value of n as 1 first.
n + 2
=> 1+2
= 3
But it doesn't get matched with t.
So, (a) option cancelled.
In (b) part, let us take the value of n as 1.
n - 2
=> 1 - 2
= -1
But this also didn't match with t.
Option (b) cancelled.
In (c) part, let us take the value of n as 1.
n × 2
=> 1 × 2
= 2
Matched! Let us check further. Taking value of n as 2,
=> 2 × 2
= 4
Matched again! So, (c) part is the correct answer.
Let us take the value of n as 1. (For both option (d) and (e))
n + 3
=> 1 + 3
= 4 (wrong)
n + 4
=> 1 + 4
= 5 (wrong)
So, (c) part is the right answer.
Hope it helps :)
1. Pat made muffins to b/ring to a party! She gave ⅙ of the muffins to her younger brothers. Her dad ate ⅛ of the muffins. What fraction of the muffins was left to take to the party? (*Hint: 6/6 - 1/6 - 1/8 = ?)
Answer:
17/24
Step-by-step explanation:
1 - (1/6 + 1/8) = 24/24 = (4/24 + 3/24) = 17/24
PLEASE HELP I WILL MARK BRAINLIEST
Answer:
180 i think if you are not sure with my ans then just don't use it k bey
Step-by-step explanation:
What is the angle of rotation for the following figure?
A) 45°
B) 60°
C) 90°
D) 120°
All the dimensions of a pentagon were multiplied by the same factor, and area of the figure changed by a factor if 25. By what factor where the dimensions of the Pentagon multiplied
Answer:
50
Step-by-step explanation:
You add the 25 + another 25 and that adds up to 50. Hope this helps!
What are the solutions of 3x^2 +6x +15 =0
Mr jb has a rectangular lot that measure 550 meters by 0.75 km.What is the area of the land in square meter. He is selling the whole lot for 206, 250,000 pesos, how much is the price per square meter
Answer:
The area in square meter is 412,500 square meters
the price per square meter is 500 pesos per square meter
Step-by-step explanation:
Firstly, let us get the measure of the dimensions in meters
Mathematically, 1000 m = 1 km
Thus;
0.75 km = 0.75 * 1000 = 750 m
The area of a rectangle is the product of its side lengths
mathematically, we have this as;
550 * 750 = 412,500 square meters
To get the price per square meter, we have to divide the price of the whole plot by the area
So we have ;
(206,250,000) pesos / 412,500 square meters
= 500 pesos per square meter
Which statement is an example of causation?
When it rains, the playground gets wet.
The height of children increases as their running speed increases.
The increase in the number of ice-cream cones a vendor sells causes
an increase in temperature.
Students who eat a good breakfast each day are more physically
active than those who skip breakfast.
Answer:
1- effect of cause
2- effect of cause
4- effect of cause
..Adam graphs a quadratic function. The vertex of the parabola he graphs is located at (6, 0). Which of the following is the axis of symmetry?..
x = 6
x = 0
x = -5
x = 0
Answer:
x=6
Step-by-step explanation:
I took (6.0) and made an equal sign and gave me 6
Jill begins the summer with $500 in her savings account. Each week
she withdraws $20. Her brother, Sam, starts the summer with $150 in
his account. He adds $30 to his account each week. At what weck will
both Jill and Sam have the same amount in their account?
Page 1 / 1
+
Answer:
On the 7th week, both Sam and Jill will have the same amount (360 dollars)
Step-by-step explanation:
Find the area of the figure
Answer:
16.28 m^2
Step-by-step explanation:
The bottom portion of this figure is a trapezoid with lengths 4 m and 6 m.
Thus, the average length of this trapezoid is 5 m, and the height is 2 m. This leads to (5 m)(2 m) = 10 m as the area.
The upper portion is a semicircle of radius 2 m. The area of this semicircle is
A = (pi)r^2 / 2, which here is A = (pi/2)(2 m)^2, or approximately 6.28 m^2.
Thus, the area of the entire purple figure is 16.28 m^2.
y is directly proportional to the square root of x
x
If
y
=
60
when
x
=
36
find,
x
when
y
=
80
Answer:
Step-by-step explanation:
y=k[tex]\sqrt{x}[/tex]
60=k[tex]\sqrt{36\\}[/tex] =k6
k=60/6 =10
This is your equation
y=10[tex]\sqrt{x}[/tex]
Put the numbers in
80=10[tex]\sqrt{x}[/tex]
80/10=8 then you have to square this so
[tex]8^{2}[/tex]=64
x=64
Bank a charges a six dollar service fee and $.10 for each check written. Bank be charges $5.20 for each check written how many checks does a person need to write each month for the two banks to charge the same amounts in fees?
Answer:
A person needs to write each month 1.17 checks for the two banks to charge the same amounts in fees.
Step-by-step explanation:
You can write an equation in which the amount charged by bank a is equal to the amount charged by bank b. The amount bank a charges is 6 plus 0.10 for the number of checks written and the amount bank b charges is 5.20 for the number of checks written.
6+0.10x=5.20x, where x is the number of checks written
Now, you can solve for x to find the number of checks written where the two banks charge the same amounts in fees:
6=5.20x-0.10x
6=5.10x
x=6/5.10
x=1.17
According to this, the answer is that a person needs to write each month 1.17 checks for the two banks to charge the same amounts in fees.
An airplane takes off and climbs at an angle of 11∘. If the plane must fly over a 120-foot tower with at least 50 feet of clearance, what is the minimum distance between the point where the plane leaves the ground and the base of the tower? b. What is the minimum distance between the point where the plane
Make q the subject of the formula p = 2q2 .
Answer:
q = ± p/2
Step-by-step explanation:
Given
p = 2q² ( divide both sides by 2 )
= q² ( take the square root of both sides )
± = q p/2
Step-by-step explanation:
[tex]p = 2q^2\\q^2 = \frac{1}{2}p\\q = \pm\sqrt{\frac{1}{2}p}\\q = \pm \frac{1}{2}\sqrt{2p} \qed[/tex] Q.E.D.
Someone help me out please?
Which fractions are equal to 2/3 choose ALL the correct answers.
6/7, 5/6, 8/12, 4/5, 4/6
Answer:
8/12,4/6
Step-by-step explanation:
Answer:
8/12, 4/6 are equal to 2/3
