Answer:
60°
Step-by-step explanation:
A regular triangle has three congruent angles. The sum of the angles is 180°, so each angle is 60°.
which ones are linear and not linear? a, b, c, and d
Answer:
Linear graphs have straight line so (B,C)
NON LINEAR GRAPHS DON'T HAVE STRAIGHT LINE (A,D)
appreciated if you mark brainliest
Answer:
B is linear
Hope it helps
8a - 36 for a = 7 and b = 1
8a - 3b =
Look at the following numbers:
-7, 0, 7, 14
Which pair of numbers has a sum of 0?
Group of answer choices
0, 7
-7, 7
7, 14
-7, 14
Answer:
The correct answer is: -7, 7
Step-by-step explanation:
Given numbers are:
-7, 0, 7, 14
We have to check all pairs of numbers with respect to sum to check that which pair of numbers sums up to zero. So first of all, we will take -7 and will find its sum with other numbers.
So,
[tex]-7+0 = -7\\-7+7=0\\-7+14 = 7[/tex]
We can see that the sum of -7 and 7 is zero.
Hence,
The correct answer is: -7, 7
Your answer is B.) -7, 7
Lorenzo runs marathons, which are about 26 miles long. He usually runs 4 marathons a year, and he has been doing this for 11 years. Lorenzo estimates he has run a little over 100 miles during all these marathons. Is that a good estimate?
the answer options:
*yes
*no its much too low
*not its much too high
Answer:
no to low he ran 1144 miles in 11 years
Please help me im confused
At 8:00 A.M., the temperature is 53 °F. At 11:00 A.M., it is 69 °F.
What is the average change in temperature per hour?
5.33 F is the average change in temperature per hour.
What is Mean?The sum of all values divided by the total number of values determines the mean (also known as the arithmetic mean, which differs from the geometric mean) of a dataset. The term "average" is frequently used to describe this measure of central tendency.
Given, At 8:00 A.M., the temperature is 53 °F. At 11:00 A.M., it is 69 °F.
Since there is a Sum change in temperature in 3 hours
From the formula of average:
Average change = total change/ time taken
in our case
Total change = 69 - 53
Total change = 16 F
Total time taken = 11 - 8
Total time taken = 3
Thus Average = 16/3
Average = 5.3333
Therefore, the average change in temperature per hour is 5.33 F.
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The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 5 to 4. If there were 8829 total votes, how many yes
votes were there?
In the five sixth-grade classrooms there are 26, 29, 31, 33, 36 students.
What is their average (mean) number?
A.31
B. 26
C. 33
(D. 29
E. 36
Answer:B 26
Step-by-step explanation:
The lengths of two sides of a triangle are 3 feet and 5 feet. Which could be the length of the third side?
(a) 3 feet (b) 8 feet (c) 15 feet (d) 2 feet
Answer:
b) 8 feet
Step-by-step explanation:
5+3=8
So, the answer will be 8
The third length must be 3 feet.
What is a Triangle?a plane figure with three straight sides and three angles.
How to determine?If you are referring to a triangle with known side lengths of 3 and 5, then all we can say about the length of the third side is that it must be more than 3 and less than 5:
If you imagine the two sides (lengths 3 and 5) are the hands of a clock, if the time is 12:00 with both the hands on top of each other, then the distance between the two points of the hands is 5–3 or 2 units, that is the shortest distance between the two endpoints of our clock hands. So the third side of the triangle must be more than 2 units long.
Learn more about Triangles:
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determine the value of x
Answer:
both angle 2x+60 and 4x+20 are equal
2x+60=4x+20
60=2x+20
40=2x
x=20
Step-by-step explanation:
Solve for x. Your answer may be in decimal form. Round to the nearest tenth.
Answer:
[tex]x=54.6[/tex]
Step-by-step explanation:
Because ΔABC is similar to ΔSTU, we know that their corresponding sides are proportional. Therefore, we know that [tex]\frac{AB}{AC}=\frac{SU}{ST}[/tex]. We are given that [tex]AB=x[/tex], [tex]AC=21[/tex], [tex]SU=13[/tex], and [tex]ST=5[/tex]. After substituting the given values into the proportion and solving for [tex]x[/tex], we get:
[tex]\frac{AB}{AC}=\frac{SU}{ST}[/tex]
[tex]\frac{x}{21} =\frac{13}{5}[/tex] (Substitute given values into the proportion)
[tex]5*x=13*21[/tex] (Cross-Products Property)
[tex]5x=273[/tex] (Simplify)
[tex]\frac{5x}{5}=\frac{273}{5}[/tex] (Divide both sides of the equation by [tex]5[/tex] to get rid of [tex]x[/tex]'s coefficient)
[tex]x=54.6[/tex] (Simplify)
Hope this helps!
Answer:
x=55
Step-by-step explanation:
these are similar triangles(they have same shape and different sizes)
also two side of these triangles are equal.
lets write ratio:
21:5=x:13
x=21×13/5=54.6≈55
Can 4/3, 12/9 Form a proportion?
Pleas help soon. If not I must submit unfinished thank you,
Answer:
x > - 4
Step-by-step explanation:
Given
x > [tex]\frac{5x-12}{8}[/tex]
Multiply both sides by 8 to clear the fraction
8x > 5x - 12 ( subtract 5x from both sides )
3x > - 12 ( divide both sides by 3 )
x > - 4
w^2+13w+36=(w+4)(w+?)
Answer:
w1= -8, w2 = -4
Step-by-step explanation:
Answer: [tex]w^{2} + 13w + 36 = (w + 4)(w + 9)[/tex]
Step-by-step explanation:
[tex]w^{2} + 13w + 36 = (w + 4)(w + ?)[/tex]
w (w + ?) +4 (w + ?)
w² + ?w + 4w + ?
4w + ?w = 13w
Subtract both sides by 4w
?w = 9w
? = 9
4 (?) = 36
Divide both sides by 4
? = 9
[tex]w^{2} + 13w + 36 = (w + 4)(w + 9)[/tex]
Hope I helped!
In the following function, What is the input value? f(-9)=4x-4+2 A.4 B.-4 C.2
D.-9
Celia is sending her puppy to doggy daycare. There is an application fee of $50 and then a daily fee of $25 per day. Which linear equation represents the cost of bringing the puppy to doggy daycare x times?
Answer:
d its y=12
Step-by-step explanation:
first you do that then 25 gbg
What is the value of
[(2/3)0]-3
Answer:
-3
Step-by-step explanation:
{2/3 × 0} -3
{0} -3
0-3 = -3
how do i solve it?
.
Answer:
The answer should be x = 3.
Step-by-step explanation:
Here is my work attached below:
Plz help I got 10 mins
please help me on this will give you brainliest
Answer:
15/20 16/20 <
Step-by-step explanation:
First, make a common denominator for both, which is 20. So, 3/4 = 15/20. Then 4/5= 16/20. 15/20 < 16/20, so 3/4 < 4/5.
Farhan bought one dozen bananas for $2.40. What is the rate ( cost ) of each banana?
Answer:
20 cents
Step-by-step explanation:
12 divided by 2.40
Complete the equation to show how many thirds are equivalent to
8/12 = ?/3
Answer:
[tex]\frac{2}{3}[/tex]
Explanation:
What we need to do is to convert [tex]\frac{8}{12}[/tex] into a new - but still equal - fraction, one with a denominator of 3. In order to convert a fraction, you either divide or multiply both the denominator and the numerator by the same number.
We know that the answer has to be a fraction with the denominator of 3. Take a look at the denominator of [tex]\frac{8}{12}[/tex] - it's 12. Ask yourself: 12 divided by what number equals 3? That number would 4.
So, divide 8 by 4 as well and you would get 2. Therefore, the numerator would be 2 and the answer is [tex]\frac{2}{3}[/tex].
a student completes math problems at an average rate of 2 problems every 5 minutes as this rate, how many problems does the student complete in 65 minutes?
Answer:
26
Step-by-step explanation:
65÷5, 3×2.
13x2+26
Which one of these dishes would make the food dish the warmest when placed on top of it?
Trey is 3 times older than his sister Kellit k stands for Kelli's age, which expression represents Trey's age?
A
3
B
3
3
Please help!
Ren was trying to solve a system of linear equations. He correctly argued that he could replace one equation by the sum of that equation and multiple of the other. He stated that this would produce a system that has the same solution as the original system.
To show this, Ren wrote down a system of equations. He them determined wich othe system of equations would have the same solution as the original system. Ren's original system is shown below.
Answer:
This what I got.
Hope it helps!
The solution of 1st and 2nd system of equations have solutions same as the main system of equations and 3rd is not same.
What is a system of equations?A set of simultaneous equations, also known as a system of equations or an equation system, is a finite set of equations for which common solutions are sought.
The given equations are;
-2x-5y = -47........(i)
4x-2y = -2
We can simply it, and write;
2x-y = -1
y = 2x+1.....(ii)
Put equation (ii) in (i)
-2x-5(2x+1) = -47
-2x-10x-5 = -47
-12x = -42
x = 7/2
Put value of x in eq (ii)
y = 2(7/2)+1
y = 8
Therefore, the solution of main equation is (7/2, 8)
Solving the other three equations,
1) -14x+y = -41
or, y = -41+14x......(i)
2) 4x-2y = -2
or, 2x-y = -1
y = 2x+1....(ii)
Solving the equations,
2x+1 = -41+14x
12x = 42
x = 7/2
Put x = 7/2, in (ii)
y = 8
Therefore, the solution is (7/2, 8)
We get the solution of main equation is equal to this system of equation.
2) -2x-5y = -47......(i)
6x+3y = 45
or, 2x+y = 15.......(ii)
Solving the equation by elimination,
-4y = -32
y = 8
Put y = 8 in equation (ii)
2x+8 = 15
x = 7/2
Therefore, the solution is (7/2, 8)
Again, we get the solution of main equation is equal to this system of equation.
3) -2x-5y = -47.........(i)
8x-5y = -8.......(ii)
Solving the equations by elimination,
-10x = -39
x = 39/10
Since, value of x is not same as the value of x in main equation, that means, both the system of the equation do not have same solution.
Hence, we get that, the solution of 1st and 2nd system of equations have solutions same as the main system of equations and 3rd is not same.
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2.
Ashley is choosing a popsicle from the freezer at
of her picking a grape popsicle the probability of her picking a cherry
popsicle and the rest of the popsicles are orange. What is the
likelihood of Ashley selecting an orange popsicle?
A. Likely
B. Unlikely
C. Certain
D. Impossible
Answer:
I believe it's A.
Step-by-step explanation:
She can kinda pick whatever, she wants, but i hope i answered properly
Arrow2Mania<3
find the volume of a cone with diameter of 12m and a height of 7m
Answer:
A) [tex]84\pi[/tex] or approximately [tex]263.76[/tex] cubic meters
Step-by-step explanation:
The formula for finding the volume of a cone is [tex]V=\frac{1}{3}\pi r^{2} h[/tex] where [tex]V[/tex], [tex]r[/tex], and [tex]h[/tex] are the cone's volume, radius, and height, respectively. We are given that we need to solve for the cone's volume, and we are also given the cone's height, but we don't know its radius. Not to worry though because we are given its diameter, and since radius is simply half of the diameter, we know that the cone's radius is [tex]\frac{12}{2}=6[/tex] m. Now, we know that [tex]r=6[/tex] and [tex]h=7[/tex], so plugging these values into the equation, we get:
[tex]V=\frac{1}{3}\pi r^{2} h[/tex]
[tex]= \frac{1}{3} \pi *6^{2} *7[/tex] (Substitute given values into equation)
[tex]=\frac{1}{3}\pi *36*7\\=84\pi[/tex] (Simplify)
Since [tex]\pi[/tex] is approximately [tex]3.14[/tex], we know that [tex]84\pi =84*3.14=263.76[/tex]. Therefore, the volume of the cone is [tex]84\pi[/tex] or approximately [tex]263.76[/tex] cubic meters. Hope this helps!
Please help me with my homework please.
Answer:
a) Speed of the cyclist is (2.75/0.4) = 6.875 miles per hour.
b) It will take (5.5/6.875) = 0.8 hours to travel 5.5 miles at this rate.
Remember: Speed=Distance/TimeABCD is a rhombus. Find AB. Enter your answer as a fraction in simplest form.
4x + 15
с
12yº
(2y - 2)°
7x + 2
AB =
Answer:
[tex]AB= \frac{97}{3}[/tex]
Step-by-step explanation:
Properties of Rhombus
All sides of the rhombus are equal. The opposite sides of a rhombus are parallel. Opposite angles of a rhombus are equal. In a rhombus, diagonals bisect each other at right angles. Diagonals bisect the angles of a rhombus.We are given two sides of the rhombus BC and CD. According to the first property:
4x + 15 = 7x + 2
Subtracting 4x:
15 = 3x + 2
Subtracting 2:
13 = 3x
Dividing by 3:
[tex]x=\frac{13}{3}[/tex]
It's required to find the side AB. Applying the first property again:
AB= BC = CD = 4x + 15
[tex]AB =4*\frac{13}{3}+15[/tex]
[tex]AB= \frac{52}{3}+15[/tex]
[tex]AB= \frac{97}{3}[/tex]