Answers
Answer: Coordinates: (1,3) length RS: 3 length RT: 2 ST: 3.6
Step-by-step explanation:
a^2+b^2=c^2
3^2+2^2=c^2
9+4=c^2
13=c^2
3.6=c
Related Questions
Given two points of a line, find its slope.
(3, 1), (7,4)
Answers
Answer:
3/4 is the slope
Step-by-step explanation:
The circle below is centered at the origin and has a radius of 7. What is its
equation?
A ²+2²=7
B. x²-y²=7
C. x²-²2²=49A
D. x² + y² = 49
Answers
Answer:
x² + y² = 49
Step-by-step explanation:
The equation for a circle is: x² + y² = r²
here, we know our circle's radius (r) to be 7
So, the equation for our circle is: {replace "r" with value}
x² + y² = 7²
which can be simplified to:
x² + y² = 49
hope this helps!! have a lovely day :)
Identify two angles that are marked
congruent to each other on the diagram
below. (Diagram is not to scale.)
Answers
Answer:
Angles G and H are congruent.
Step-by-step explanation:
A quadrilateral has three congruent sides. Each of the congruent sides is 5 cm shorter than the forth side. If the quadrilateral has a perimeter of 33 cm, find the length of the longest side
Answers
The length of the three congruent sides is 7 cm and the fourth side length is 12cm.
Given quadrilateral has three congruent sides and perimeter of quadrilateral is 33 cm.
A quadrilateral can be expressed as ABCD and three congruent sides are AB, BC, CD and the fourth side is AD.
Let AD=x
then AB=BC=CD=x-5
This means if all the sides of a quadrilateral are known, we can get its perimeter by adding all its sides.
So, Perimeter = AB + BC + CD + DA.
Substitute values
(x-5)+(x-5)+(x-5)+x=33
4x-15=33
4x= 48
x=12
Hence the fourth side length is 12cm and the other sides are 7 cm longer.
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Mixed Practice! Find the value of each variable
I need 16, 17 and 18
Answers
Answer:
Step-by-step explanation:
A circle with the equation (x + 6)2 + (y + 3)2 = 16 is reflected over the line x = 2.
What is the equation of the image?
( x + 10) 2 + ( y + 3) 2 = 16
( x - 10) 2 + ( y + 3) 2 = 16
( x + 6) 2 + ( y + 7) 2 = 16
( x + 6) 2 + ( y - 7) 2 = 16
Answers
Answer: [tex](x-10)^{2}+(y+3)^{2}=16[/tex]
Step-by-step explanation:
We know the center of the original circle is (-6, -3). After reflecting this over the line x=2, the new center is now (10, -3).
Thus, the equation of the circle is [tex](x-10)^{2}+(y+3)^{2}=16[/tex].
Click for the picture of the question it’s a multiple choice, I don’t even know where to begin
Answers
Answer:
b - read explanation if you are confused for future problems
Step-by-step explanation:
Inverse variation is when x*y = k whereas direct variation (may come up in future problems) is when y = x*k
Remember that k is always a set value while x and y are values that can change
In this case y*x = k so k = 18 (since y is 9 when x is 2)
So when x = 8
8y = 18
y = 18/8 = 9/4
tony invest 2000 at a 4.5 percent rate.
Answers
Answer:
$2,999
Step-by-step explanation:
A = P(1 + r) ^ tA = 2000(1 + .045) ^ 9A ≈ 2999a woman bought some oranges and 30% of them were bad if there were 60 bad oranges how many oranges did she buy
Answers
Answer:
if 60 is 30%, then add up to 100%
60+60+60= 180
but we still have 10% left so divide 30% by 3 to get 10% then add
30% (or 60) /3 is 20
add 20 to 180
boom you get 200 she bought 200 oranges i wonder how shes gonna fit them in her car that's a lot of oranges
Answer:
200
Step-by-step explanation:
To calculate 30 percent of a number, we multiply the number by 30 and then divide by 100. Therefore, we can make the following function:
30 ∗ x÷100
= 60
To solve for x, we first multiply both sides by 100 and then divide both sides by 30 to get the x = 200. Therefore, the answer to 60 is 30 percent of what number? is:
200
16. Out of 119 student, it was found that 16 drink neither coke nor pepsi, 69 drinks coke and 39 drink pepsi. Then a) Show the above information in Venn diagram. b) Find the number of students who drink only one drink.
Answers
Step-by-step explanation:
Let U=universal set
C=students who drink coke
P = students who drink pepsi
Graph the result of the following transformation on f(x)
Answers
The graph would be the normal parent function of f(x) but all points would be 6 units up.
There's an upward vertical shift of 6. To graph this, you need to graph the function f(x) and then add 6 units to all the y values.
The starting salary for a particular job is 1.2 million per annum. The salary increases each year by 75000 to a maximum of 1.5million. In which year is the maximum salary reached...... How much money would the person earn in that time
Answers
The maximum salary reached in 5th month.
What is Arithmetic Progression?
An arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant
For the first year, salary = 1,200,000
For the second year, salary
= 1,200,000 + 75,000 = 1,275,000
For the last year, salary = 1,500,000
We get the AP as
1,200,000, 1,275,000, .... , 1,500,000
a= 1,200,000 and d = 75000
Now using
L = a + (n - 1)d
1,500,000 = 1,200,000 + (n-1) 75,000
300,000 = 75,000(n-1)
300000/75000= n-1
4= n-1
n= 5
Hence, in the 5th year the maximum salary will be reached.
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What’s the answer? I don’t know how I got it wrong
Answers
Answer:
C. Line PQ
Step-by-step explanation:
Tangent means touching, not crossing.
What is the slope of a line that is perpendicular to the line y = x 4? the slope of the line is .
Answers
Answer:-1/4
Step-by-step explanation:
Take the negative of the reciprocal for perpendicular lines. In the case of no slope (y=number) replace y with x
-5/7 x 1/5
please help
Answers
-5/7 x 1/5
-5 x 1 = -5
7 x 5 = 35
-5/35 = -1/7
Happy to help :P
heeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeelp
Answers
Answer:
The answer is option 3 and option 4
Step-by-step explanation:
In a spelling bee $50\%$ of the students were eliminated after the first round. Only $\frac{1}{3}$ of the remaining students were still in the contest after the second round. If 24 students were still in the contest after the second round, how many students began the contest
Answers
There were 144 students when the contest began
What is Equation ?Equation is formed when an algebraic expression is equated by a constant or another algebraic expression.
On the basis of given data :
Let the total number of students are x
50% of the students are eliminated after the first round
the remaining students are 0.5x
After the second round = (1/3) * 0.5 x were remaining
and
(1/3) * 0.5 x = 24
then solving this equation will give the total number of students
0.5x = 24 * 3
x = 24*3 /0.5 = 144
Therefore there were 144 students when the contest began
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Put these types of angles in order, sta rting with the smallest angle size.
Smallest
Obtuse
Acute
Reflex
Right angle
Largest
<<<<
Update
Answers
Answer:
Acute, right angle, obtuse, reflex
Step-by-step explanation:
Answer:
Acute
right angle
obtuse
reflex angle
Step-by-step explanation:
Find the area for a triangle that has a base of 24 inches and a height of 4 inches. 96 in 2 48 in 2 cannot be determined 28 in 2
Answers
Answer:
48 in²
Step-by-step explanation:
triangle = bh/2
triangle = 24 x 4 / 2
triangle = 48 in²
Two opposite angles of a parallelogram are (5x – 8)° and (2x + 82)°. Find the measures of each angle of the parallelogram.
Answers
Answer:
2 angles are 142 degrees
2 angles are 38 degrees
Step-by-step explanation:
In any parallelogram, the opposite angles are congruent.
So,
5x - 8 = 2x + 82
3x - 8 = 82
3x = 90
x = 30
Now lets plug in x into one of the angles:
5 ( 30 ) - 8
150-8
142
So, because that angle is 142, the other angle must also be 142. However, to make sure, we should still check.
2 ( 30 ) + 82
60 +82
142
As we can see, both angles are 142.
Now we have figured out 2 angles, and they are both 142. Now lets figure out the other 2 angles.
Any 4 sided shape has 360 degrees
142 + 142 = 284 degrees
Our 2 angles have 284 degrees in total.
if we subtract 284 from 360, we get 76.
Our remaining 2 angles have a total of 76 degrees. Because these angles are also opposite, we must divide by 2. 76/2 is 38.
So,
2 angles are 142 degrees
2 angles are 38 degrees
Which is the equation of a line that has a slope of 1/2and passes through point (2, -3)?
Answers
Answer:
y = 1/2 x - 4
Step-by-step explanation:
point slope form would be
( y - - 3) = 1/2 (x-2) you can re-arrange as
y = 1/2x -4
The quotient of 8.4 times 10 Superscript 9 and a number n results in 5.6 times 10 Superscript 27. What is the value of n?
Answers
The value of the number n as 1.5 * [tex]10^{-18}[/tex].
What is power?
A power is the product of multiplying a number by itself.
(8.4*[tex]10^{9} \\[/tex])/n = (5.6* [tex]10^{27}[/tex])
n= (5.6* [tex]10^{27}[/tex]) / (8.4*[tex]10^{9} \\[/tex])
n= 1.5 * [tex]10^{-18}[/tex]
Hence, the value of n is n= 1.5 * [tex]10^{-18}[/tex]
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3(2x − 8) – 11x ......
Answers
Answer:
-5x-24
Step-by-step explanation:
3(2x-8)-11x
Use distributive property.
6x-24-11x.
Combine like terms.
6x-11x-24=-5x-24
-5x-24
Hope this helps!
If not, I am sorry.
Answer:
-5x - 24
Step-by-step explanation:
3(2x − 8) – 11x =
Distribute the 3, then combine like terms.
= 6x - 24 - 11x
= -5x - 24
Help me please asapp
Answers
ED and AC are congruent
Write Statement as:
AB*BC=EB*BD
8(4x+2)=9(4x)
32x+16=36x
16=4x
4=x
Hope it helps!
Which of the following is the correct order of the polynomial
2y5+y+3y7-4y³ +12?
Answers
Answer:
3y⁷ + 2y⁵ - 4y³ + y + 12
Step-by-step explanation:
2y⁵ + y + 3y⁷ - 4y³ + 12
(greatest - least powers)
I hope this helps!
The function where f (1) = 0
Answers
Answer:
ln(x)
Step-by-step explanation:
ln(x) can be rewritten as e^ln(x)=x. so if e^ln(1)=1 the exponent is just 0. because anything to the power of 0 is 1 according to the Zero Exponent Rule
Sterling silver is 92.5% pure silver. How many grams of a 90% silver alloy would you need in order to mix it with sterling silver to obtain 500 grams of a 91% silver alloy.
Answers
200 grams of sterling silver is needed to make the 91℅ alloy
An equation is mathematical expression that contains an equals symbol. Equations are contain algebra. Algebra is used in maths when you do not know the exact number in a calculation.
given, x + y =500
The number of grams of pure silver in x plus the number of grams of pure silver in y is equal to the number of grams of pure silver in the 500 grams.
The pure silver is given in percentage forms.
Hence, 92.5% (x) + 90% (y) =91% (500)
Substitute y by 500−x in the last equation to write
92.5% (x) + 90% (500−x) =91% (500)
Simplify and solve
92.5x+45000−90x=45500
x=200 grams.
Hence, 200 grams of Sterling Silver is needed to make the 91% alloy.
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A line that includes the point (0, 6) has a slope of 1/3. What is its equation in slope-intercept
form?
Answers
Answer:
y=⅓x+b
Step-by-step explanation:
So basically the formula of slope-intercept is:
y=mx+b
and m=⅓
so
y=⅓x+b and it includes the point (0, 6) so:
6=⅓(0)+b===> b=6===> y=⅓x+6
18-(7+3)-1 simplified
Answers
Answer:
18-10-1
7
Step-by-step explanation:
please mark me as brainlest
Answer:
18-7+3-1
18-10-1
18-11
+7 or 7
Step-by-step explanation:
we have first done of bracket
then as we know minus and minus is equal to plus
then we have done our solution
thank you
Which parent function is represented by the graph?
Answers
Answer:
Linear
Step-by-step explanation:
pretty self explanatory
Answer:
The linear parent function Step-by-step
Step-by-step explanation:
Linear functions are always characterized by a straight line graph with or without an intercept on the vertical or horizontal axis. A linear function usually has an independent variable and a dependent variable.
Hope your having a great day!!
