Answer:
B
Step-by-step explanation:
D point is a representation of -(-3), Option D is correct.
What is Number system?A number system is defined as a system of writing to express numbers.
A number line is a picture of a graduated straight line that serves as visual representation of the real numbers
Every point of a number line is assumed to correspond to a real number, and every real number to a point
The points right to the integer zero are positive
The points left to the integer zero are negative
-(-3) is nothing but +3
The point D represents the 3
Hence, D point is a representation of -(-3), Option D is correct.
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Determine the discriminant for the quadratic equation -3=x2+4x+1. Based on the discriminant value, how many real
number solutions does the equation have?
Discriminant = b2-4ac
0
1
2
12
The discriminant is greater than zero, the equation has 2 solutions
How to calculate the discrimant of quadratic equationGiven the quadratic expression as shown:
-x^4 + 4x + 1 + 3 = 0
x^4 - 4x - 4 = 0
The discriminant is given as b^2 - 4ac
where;
a = 1
b = -4
c = -4
Substitute
D =(-4)^2 - 4(1)(-4)
D = 16 + 16
D = 32
Since the discriminant is greater than zero, the equation has 2 solutions
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Answer: 2
Step-by-step explanation: got it right
Three good friends are in the same algebra class. Their scores on a recent test are three consecutive integers whose sum is 252 ? Pls asap
Answer:
83, 84, 85
Step-by-step explanation:
Peter collected 171 marbles but lost 3/4 of them on his way home through of hole in his bag when he arrived at home now many marbles did Peter have left?
The number of marbles Peter had when he arrived home was 43 marbles
What is Percentage?
A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, %
Given data ,
The number of marbles Peter had on his way home = 171
The amount of marbles he lost on his way home = ( 3/4 ) th
Now , the amount of marbles Peter have left = 1 - amount of marbles he lost on his way home
The amount of marbles Peter have left = 1 - 3/4
= ( 1 / 4) th
So , The number of marbles Peter had left when he arrived home is =
Amount of marbles Peter have left x Number of marbles Peter had
The number of marbles Peter had left when he arrived home is = (1/4) x 171
= 171 / 4
= 42.75
≈ 43 marbles
Hence , the number of marbles Peter had left when he reached home is 43
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3 How are part-to-part ratios different from part-to-whole ratios?
Ratios can be divided into part-to-part ratios and part-to-whole ratios. Part-to-part ratios provide the relationship between two distinct groups
About 4 out of every 5 people are right-handed. If there are 30 students in a class, how many would you expect to be right-handed? How many to be left-handed?
Answer:
You would expect 24 right handed and 6 left handed
Step-by-step explanation:]
5 x 6 =30
Butter is packed in 250g packs. What will
the moss, in pounds of a pack of butter?
Answer:
loss=54-52.5
Step-by-step explanation:
=1.5Rs
loss%=loss/CP×100
=1.5/54×100
2.78%
PLZ MARK AS BRAINLIST
Triangle ABC is an isosceles right triangle. What is the measure of one base angle?
30°
45°
60°
90
Answer:
is B 45Step-by-step explanation:
;)
hope this helps
The measure of base angle of the isosceles right angle triangle is 45°.
What is a right angle triangle?A right-angled triangle is a triangle, that has one of its interior angles equal to 90 degrees or any angle is a right angle.
Given that,
Triangle ABC is an isosceles right angle triangle.
In an isosceles triangle, two sides are equal and corresponding angles are equal.
Let the corresponding angles are α and α.
Since, one angle of right angle isosceles triangle is 90°.
Also, the sum of angles of triangle is 180°
Implies that,
α + α + 90 = 180
2α = 180 - 90
2α = 90
α = 45
The required value of angle α is 45°
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Solve the proportion for x
Answer:
x = 1
Step-by-step explanation:
x / 5 = 5 / 25,
Divide the denominators bigger one to smaller one, then that is the numerator for the larger fraction.
do 5 divided by 5 which is 1
Or a more simple way,
1/5 = 5/25 multiply 1/5 by 5 top and bottom which gets 5 / 25
Answer:
x = 1
Step-by-step explanation:
Step 1: Cross-multiply
x*(25) = (5)*(5)
Step 2: Divide both sides by 25.
Answer is 1
Problem:
Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.
Answer:
The answer is: y = 9.25x
Step-by-step explanation:
Let the equation for the proportionality relation is y = mx .......... (1), where y represents the money that Craig earns for a duty of x hours.
Here, m is the constant of proportionality and we have to find its value.
Given that Craig earns $37 for 4 hours duty.
So, from equation (1), we have 37 = 4m, ⇒ m = 9.25
Therefore, the equation becomes y = 9.25x. (Answer)
What is an expression equivalent to 5x+10 using the distributive property?
Answer:
5x + 10
Step-by-step explanation:
I did the math and checked. :)
A dog is pulling a 15kg sled to the right with a force of 15N. A rhino is pulling the same sled to the left with a force of 42N. There is a frictional force of 5.0N acting on the sled.
Which direction is the friction acting?
What is the Net Force on the sled?
What is the acceleration of the sled?
What is the coefficient of friction on the sled?
9514 1404 393
Answer:
to the right22 N22/15 ≈ 1.467 m/s²5/147 ≈ 0.034Step-by-step explanation:
a) Friction opposes motion, so is in the opposite direction of the net force on the sled. Taking "left" to be "positive", the two animals are applying a net force of +42 N -15 N = 27 N. That is to the left, so the friction force is to the right.
__
b) The total of forces applied by the animals and friction is ...
27 N -5 N = 22 N . . . to the left
__
c) Acceleration can be found from the relation ...
a = F/m . . . . 'm' is mass
a = (22 N)/(15 kg) = 22/15 m/s² . . . . 'm' is meters
__
d) The coefficient of friction is the ratio of friction force to the normal force on the surface producing the friction. Here, that normal force is the force due to gravity acting on the 15 kg mass of the sled.
coefficient of friction = (5 N)/(9.8 m/s²·15 kg) = 5/147
coefficient of friction ≈ 0.034
Answer:
1. to the right
2. 22 N
3. 22/15 ≈ 1.467 m/s²
4. 5/147 ≈ 0.034
Step-by-step explanation:
Helpppppp??????? ???????
Answer:
rectangle
Step-by-step explanation:
a kite and a rhombus both have acute angles
A package of 3 pairs of gloves costs $16.17. What is the unit price per pair of gloves. PLS HELP ASAP
What is the equation of a line that passes through the point (3, 11) and is parallel to the line y=2x-4
Answer:
The answer should be y=2x+5
What is the range for the set of data? 6,7,10,12,12,13
Answer:
what is range?
Step-by-step explanation:
Answer:
7.
Step-by-step explanation:
13-6=7, so the answer is 7,
please help !! i’ll mark you as brainliest
Answer:
the second one should be at the top. the first one goes 2nd, the last one goes third. and the 3rd one goes last. so from top to bottom: B, A, D, C
Step-by-step explanation:
Im not 100% sure but I think that's correct.
Answer:
I think B,A,D,C is the correct order
help :((
Provide a small explanation if possible!!
Answer:
r = 24
Step-by-step explanation:
Just reverse everything,
3 x 16 = 48,
48 ÷ 2 = 24,
to double-check,
if you plug in 24 for r then you have,
2(24)/3 = 16
48/3 = 16
16 = 16
what is 11 divided by 3/4 in fraction form
PLS HELP IM BEGGING You
Answer:The anwers is 5/6 in decimal it is 0.83repeating
Step-by-step explanation:
Someone please help me with number 6 lve been stuck on it forever
Answer:
x = 10
Step-by-step explanation:
8x - 13 = 5x + 17 (DE = EF)
8x - 5x = 17 + 13
3x = 30
x = 10
What is the solution to the equation 1.6 m - 4.8 = -1.6 m
Answer:
The answer is m= 1.5
Step-by-step explanation:
hope this helps
According to Newton's 1st law of motion, . . . . .
A . for every action, there is an equal and opposite reaction.
B . force = mass * acceleration
C . an object will remain at rest unless an external force acts upon it.
Answer:
C
Step-by-step explanation:
Answer:
I believe it is C. I am not 100% sure but I do believe I am right
Directions: Solve the multi-step equation showing your work!
x/10 =170/100
solve for x
Answer: it should be 17
Step-by-step explanation: 10*10=100 so 170/10 would be 17
where n 2 1
OS – On -3
1-
Mn
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n
A painting is 36 in. wide. Mark wants the
painting to be centered on a wall that is
144 in. wide. How much wall space will
be left on each side of the painting
Enter the value for x that makes the equation 1/2 (4x-8) + 3x= 36 true
Answer:
8
Step-by-step explanation:
How to graph y=12-6x
Answer:
The answer will be listed below.
Step-by-step explanation:
This equation is in y=mx+b form, so to graph this equation, take the y-intercept which would be 12. Go on your graph and make twelve on the y-axis (you can go by two's or even six's). Then take your slope which would be -6 and use rise of run which would be down 6, since it's negative, and to the right one. Keep repeating this process until you ran out of space. Draw a line between the points and you have graphed a line.
Find the sum of the first 20 terms of the arithmetic sequence: (Use image below)
who want crown things
Answer:
meeee plzzzzzzz even thow i have no idea whta that ios
Step-by-step explanation: