Answer: A or B but really A
Step-by-step explanation:
c² = 144/169
√c² = √144/169
c = 12/13
or
-12/13² = 144/169
Hope that helped! I recommend choosing A
The solutions to the equation c² = 144/169 are c = 12/13 and c = -12/13, as they satisfy the equation when substituted into it. Thus, options A and B are the correct answers.
The equation is given as follows:
c² = 144/169
To find the solutions of the equation c² = 144/169, we can take the square root of both sides of the equation.
√(c² = ±√(144/169)
Since the square root of a number can be positive or negative, we have two possibilities for the solutions:
c = ±√(144/169)
Simplifying the square root of 144/169 gives:
c = ±(12/13)
So, the solutions to the equation are:
A) c = 12/13
B) c = -12/13
Therefore, options A and B are the correct answers.
Learn more about the equations here:
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I'm taking a test and it's really important that I pass it because I'm already failing the class. Please help me I have no idea how to do it. The test has a time limit, everything has to be submitted by 12:25 at the latest. Please show the work if you can.
Simplify the expressions
1. (1+2i)(5-5i)
2. (1+2i)-(-2-2i)
3. (1+2i)+(2-i)
4. (6i)(-5i)
Answer:
1. 15+5i
2. 3+4i
3. 3+i
4. 30
Step-by-step explanation:
A theater has 384 seats. Each row has 16 seats. The area model represents this situation. Area model showing 2 areas. The first is16 high and 20 wide, with a total of 320. The second is 16 high and x wide, with a total of 64. Part A What is the value of x in the area model? Enter your answer in the box. x = 4 I already answer part A what is the answer for part B?? Part B How many rows of seats are inside the theater? Enter your answer in the box. rows
Answer:
x=4
Rows = 24
There are 24 rows each having 16 seats making a total of 384.
Step-by-step explanation:
Part B
Total number of seats = Total of rows* Number of seats in each row
Let the total number of rows be y. The theater has 384 seats and each row has 16 seats. Putting the values
384= y * 16
y= 384/16= 24
There are 24 rows each having 16 seats making a total of 384.
Part A:
Area= length * width
Area 1= 320= 16 *20
Area 2 = 64
64 = 16 x
x= 64/16= 4
the base of a pyramid has n sides
write an expression for the number of faces on the pyramid
Answer: The expression for number of faces of a pyramid =1+n
Step-by-step explanation:
A Pyramid is a polyhedron or a three dimensional shape having a polygon base and all lateral faces are triangles .
Its base describe the number of other faces of it.
For example a triangular pyramid has a triangular base which gives rise to 3 lateral faces , and a rectangular pyramid has a rectangular base which give rise to 4 lateral faces and so on.....
So the total number of faces in a pyramid = base + lateral faces
If a pyramid has n sides therefore it give rise to n lateral faces such that
The total number of faces in a pyramid= 1+n .
When you add a positive number and a negative number, how can
you tell whether the sum will be positive or negative?
Answer: By looking at which one is bigger
Step-by-step explanation:
if the negative number is a bigger number than the positive your answer will be negative, if the positive number is larger than the negative your answer will be positive if your negative and positive numbers are the same your answer will be zero, hope this helps <3
Answer:
+ - = -
Step-by-step explanation:
+ (+) = +
+ (-) = -
- (-) = -
- (+) = -
Two like signs become a positive sign
Two unlike signs become a negative sign
Can someone help me, if u can ty bless you.
Answer : 2/3 or 0 R 6
Step-by-step explanation:
hope it helps
turquoise paint is made by mixing blue, green and yellow paint in the ratio 2.5 : 1.4 : 0.1 . how much of each colour is needed to make 1.5 litres of turquoise paint? write answers in the same order as the ratio (eg, blue, green, then yellow)
Answer: Blue color = 937.5 ml
green color = 525 ml
Yellow color= 37.5 ml
Step-by-step explanation:
Let the quantity of all kinds of paint required to make turquoise paint be 2.5 x(blue), 1.4 x( green), 0.1 x.(yellow).
Total turquoise color required =2.5x+1.4x+0.1x
[tex]\Rightarrow (2.5+1.4+01)x=1.5\\\\\Rightarrow\ 4x = 1.5\\\\\Rightarrow x=\dfrac{1.5}{4}\\\\\Rightarrow\ x=0.375[/tex] = 1.5 liters [given]
Blue color = 2.5 x 0.375 = 0.9375 liters = 937.5 ml [1 liter = 1000 ml]
green color = 1.4 x 0.375= 0.525 l = 525 ml
Yellow color= 0.1 x 0.375= 0.0375 =37.5 ml
20 points and Brainliest to fastest correct answer!!
In ΔNOP, o = 8.8 cm, n = 3 cm and ∠N=70°. Find all possible values of ∠O, to the nearest 10th of a degree.
Step-by-step explanation:
Write down the next two terms in these quadratic sequences:
1.
9, 13, 19, 27,
-
function or not a function?
please help!!!!!(i don't know what else to write so)
Answer:
A
Step-by-step explanation:
sorry if its wrong but i think its right
I really need help pls pls pls help
Answer:
the first one
Step-by-step explanation:
because 1 inch=22feet, so 242 feet=11 inch
please help me please will give brainliest
Answer:
The answer is 32 squares
Answer:
C. 32
Step-by-step explanation:
i need help with this
Answer:
30 square cm
Step-by-step explanation:
Key skills needed are: Triangle similarity, multiplication, proportions, subtraction
1) We first find that Triangle BCD is similar to triangle ACE. This is because they both have 1 right angle, and both share Angle BCD. Therefore, the other two angles are also the same measure.
2) Based on the statement above, 6/9 = 8/CE (CE just means the length of CE)
3) Solve this by cross multiplying -
[tex] \frac{6}{9} = \frac{8}{ce} [/tex]
This means that 6(CE) = 8(9)
4) Multiply it out: 6(CE) = 72
5) Divide by 6 and get CE = 12 cm.
6) Then use base time height to find the area of both triangles.
7) For triangle BCD: 6(8)/2 = 6(4) = 24 square centimeters
8) For Triangle ACE: 9(12)/2 = 9(6) = 54 square cm
9) To find the area of ABDE, you would subtract the are of triangle ACE by the area of triangle BCD
10) This is 54 - 24 = 30 square cm.
Hope you understood and have a nice day!! :D
22 Solve. Type the correct numeric answer in the space provided.
3 1/2 divided by 4 3/8
Answer:
0.8
Step-by-step explanation:
3 1/2 = 3.5.... 4 3/8 = 4.375
so 3.5 Divided by 4.375 is 0.8
Order from least to greatest
1.84, the square root of 5, 2.3,the square root of 3
Answer:
square root of 3 ,1.84,2.3, square root of 5
1. The value of 20 x 5º =............
2. If a =3 and b=2 then the value of (a + b ) is
3. Angles in a semicircle is
OR
The sum of either pair of opposite angles of a cyclic quadrilateral is
4. Write the degree of the polynomial v2r? +r".
5. The volume of a sphere of radius 3cm is
6. The perimeter of an equilateral triangle is 8 m , what is its area ?
7. In the given figure , AD is the median , then find < BCA
35°
B В
с
D
OBOR
8. A linear equation in two variables has ............ solutions
9. A circle divides the plane on which it lies in
parts.
10. The sum of either pair of opposite angles of a cyclic quadrilateral is.....
11. The formula for finding TSA of a cuboid is
OR
The formula for finding Volume of a cone is
12. In the given figure, find the value of x.
Answer: salt
Step-by-step explanation:
what is the slope of the line that passes through (-5,0) and (-5,5)
Answer:
m=undefined
Step-by-step explanation:
the formula for slope (m) is (y2-y1)/(x2-x1)
here are the given points: (-5,0) and (-5,5)
we can label the points:
x1=-5
y1=0
x2=-5
y2=5
now substitute into the equation
m=(5-0)/(-5--5)
m=(5-0)/(-5+5)
m=5/0
m=undefined
the slope is undefined, because you cannot divide by 0
what is a cereal box an example of
Answer:
book
Step-by-step explanation:
it has a title,subheading,and more
Answer:
a rectangular prism
Step-by-step explanation:
2*10⁴-7³ please help
Answer:
19657
Step-by-step explanation:
By PEMDAS, we know we have to calculate the exponents first, then multiply the 2, and then subtract the 7³
2*10⁴ = 20000
20000 - 7³ = 19657
This is the third time I've seen this question. Are you posting this question again and again?
Find the measure of x
Answer:
x=12
Step-by-step explanation:
6x+7°=8x-17...as opposite <s are =
7+17=8x-6x
24=2x
12=x
Find the value of X.
Answer:
In My Knowledge
Option G. 10.4cm is the answer
is there more options
if yes please tell me
What is the solution to this system of equations?
4y + x = 5
x + 4y = 10
the equation doesn't have a solution lol
WILL MARK BRAINLIEST
What is the rate of change of the linear function that has a graph that passes through the points (1, 15) and (–2, 3)?
Only 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, . , -, and / are allowed in your answer. Answers that are mixed numbers must be entered as an improper fraction or decimal.
Answer:
4
Step-by-step explanation:
Rate of change is just slope, based on what I know.
Given 2 points : (x1, y1) and (x2, y2)... The slope would be [tex]\frac{y_{2}-y_{1} }{x_2-x_{1}}[/tex].
So for this problem we need to find the slope:
(1,15) and (-2,3) are the points. To find slope we do [tex]\frac{3-15}{-2-1}[/tex]. This simplifies into [tex]\frac{-12}{-3}[/tex].This then simplifies into 4.The rate of change is 4 based on my work.
What is the value of x in the figure shown below
Answer:
x = 34 degrees
Step-by-step explanation:
if this is a parallelogram then Δ ACB ≅ Δ DCB
which means that ∠A = ∠D
Karl drove 619.5 miles. For each gallon of gas, the car can travel 41 miles. What is a reasonable estimate of the number of gallons of gas Karl used?Select all that apply.
Answer:
15
Step-by-step explanation:
Calculation for What is a reasonable estimate of the number of gallons of gas Karl used
Estimated number of gallons used=619.5 miles/41 miles
Estimated number of gallons used=15
Therefore the reasonable estimate of the number of gallons of gas Karl used is 15
I neeed help it’s a word problem
Answer:
12.50
Step-by-step explanation:
62/5=12.4
60/2=30
5/2=2.5
(5x - 2y = 22
8x - 2y = 28
Please!! Urgent
9514 1404 393
Answer:
(x, y) = (2, -6)
Step-by-step explanation:
Subtract the first equation from the second.
(8x -2y) -(5x -2y) = (28) -(22)
3x = 6
x = 2
Substitute this into either equation and solve for y.
8(2) -2y = 28
8 -y = 14 . . . . . . . . divide by 2
y = 8 -14 = -6 . . . . add y-14 to both sides
The solution is (x, y) = (2, -6).
_____
I like a graphing calculator for a quick solution to such problems.
7xy÷Z=zz please help
Could you please write the question more clear?
Please give me the correct answer
Answer: The fourth set of sides
Step-by-step explanation:
For a set of side lengths to form a right triangle, they have to satisfy the Pythagorean theory [tex](a^{2} +b^{2} =c^{2} )[/tex]
First set of sides
a = 7.5 b = 18 c = 21.5
[tex]a^{2} +b^{2} =c^{2}\\7.5^{2} +18^{2} =21.5^{2} \\56.25 + 324 = 462.25\\380.25 \neq 462.25[/tex]
Second set of sides
a = 7.5 b = 19.5 c = 21.5
[tex]a^{2} +b^{2} =c^{2} \\7.5^{2} +19.5^{2} =21.5^{2} \\56.25 + 380.25 = 462.25\\436.5 \neq 462.25[/tex]
Third set of sides
a = 18 b = 19.25 c = 21.5
[tex]a^{2} +b^{2} =c^{2} \\18^{2} +19.5^{2} =21.5^{2} \\324 + 380.25 = 462.25\\704.25 \neq 462.25[/tex]
Fourth set of sides
a = 7.5 b = 18 c = 19.5
[tex]a^{2} +b^{2} =c^{2} \\7.5^{2} +18^{2} =19.5^{2} \\56.25 + 324 = 380.25\\380.25 = 380.25[/tex]
I hope that helped!
Which expression is equivalent to the expression 4(6+y)+7?