Answer:
answer is A
Step-by-step explanation:
Answer:
I'm really not sure but I think D or A. The answer I got was x = -(1 ± 2i) so distributed it would prob be D
Step-by-step explanation:
20 POINTS!!
dont answer unless you know
Answer:
b
Step-by-step explanation:
a
it is A because a variation equation needs numbers and variables
Drag each number to the box on the right so it matches the value of the expression on the left. Each number may be used once, more than once, or not at all. 25 returned to choices list. 33.6252768.48 Expression Value of the Expression [ 4 × ( 4 + 3 ) ] − 3 [ ( 7 − 5 ) ÷ 1 2 ] × 2 ( 5 . 4 + 3 ) × ( 6 − 2 ) [ 9 ÷ 3 + 6 ] × 3 ( 4 + 3 . 2 ) × [ ( 9 − 2 ) + 2 . 5 ]
Answer:
[tex]-62024.48[/tex]
Step-by-step explanation:
Given
[tex][ 4 * ( 4 + 3 ) ] - 3 [ ( 7 - 5 ) \div 1 2 ] * 2 ( 5.4 + 3 ) * ( 6 - 2 ) [ 9 \div 3 + 6 ] * 3 ( 4 + 3.2 ) * [ ( 9 - 2 ) + 2.5][/tex]
Required
Solve
The question is poorly formatted; the only way to answer this is to place the result of each step in brackets until brackets cannot be used.
So, we have
[tex][ 4 * ( 4 + 3 ) ] - 3 [ ( 7 - 5 ) \div 1 2 ] * 2 ( 5.4 + 3 ) * ( 6 - 2 ) [ 9 \div 3 + 6 ] * 3 ( 4 + 3.2 ) * [ ( 9 - 2 ) + 2.5 ][/tex]
Solve the expressions in the inner brackets
[tex][ 4 * 7 ] - 3 [ 2 \div 1 2 ] * 2 ( 8.4 ) * ( 4 ) [ 9 \div 3 + 6 ] * 3 ( 7.2 ) * [ 7 + 2.5 ][/tex]
Solve all divisions
[tex][ 4 * 7 ] - 3 * \frac{1}{6} * 2 ( 8.4 ) * ( 4 ) [ 3 + 6 ] * 3 ( 7.2 ) * [ 7 + 2.5 ][/tex]
[tex][28] - 0.5 * (16.8) * (4) [9] * (21.6) * [9.5][/tex]
[tex][28] - 0.5 * (16.8) * [36] * (21.6) * [9.5][/tex]
Multiply through
[tex]28- 62052.48[/tex]
[tex]-62024.48[/tex]
The area of a rectangle is 126 cm 2 squared. If the length of the rectangle is 14cm, what is the width?
Answer:
126/14
9 is the answer
width=area/breadth
Step-by-step explanation:
hope this will help you
6.
Match the graph with its equation.
A. 7x + 7y = 49
B. –7x +7y = –49
C. 7x – 7y = –49
D. 7x + 7y = 0
Answer:
B. –7x +7y = –49
Step-by-step explanation:
Graph the line using the slope and y-intercept, or two points.
Slope:
1
y-intercept:
(
0
,
−
7
)
x
y
0
−
7
1
−
6
Need Answer Immediately!!!!!
y = [tex]\frac{-5}{4}[/tex]x + 3
Step-by-step explanation:As shown in the graph, the line is a straight line. Therefore, the general equation of a straight line can be employed to derive the equation of the line.
The general equation of a straight line is given by:
y = mx + c or -------------(i)
y - y₁ = m(x - x₁) -----------------(ii)
Where;
y₁ is the value of a point on the y-axis
x₁ is the value of the same point on the x-axis
m is the slope of the line
c is the y-intercept of the line.
Equation (i) is the slope-intercept form of a line
Steps:
(i) Pick any two points (x₁, y₁) and (x₂, y₂) on the line.
In this case, let;
(x₁, y₁) = (0, 3)
(x₂, y₂) = (4, -2)
(ii) With the chosen points, calculate the slope m given by;
m = [tex]\frac{y_2 - y_1}{x_2-x_1}[/tex]
m = [tex]\frac{-2-3}{4-0}[/tex]
m = [tex]\frac{-5}{4}[/tex]
(iii) Substitute the first point (x₁, y₁) = (0, 3) and m = [tex]\frac{-5}{4}[/tex] into equation (ii) as follows;
y - 3 = [tex]\frac{-5}{4}[/tex](x - 0)
(iv) Solve for y from (iii)
y - 3 = [tex]\frac{-5}{4}[/tex]x
y = [tex]\frac{-5}{4}[/tex]x + 3 [This is the slope intercept form of the line]
Where the slope is [tex]\frac{-5}{4}[/tex] and the intercept is 3
Ellie is interested in getting a new phone. One phone company, phone 1 charges a monthly fee of 6$. They also charge 0.10$ per minute. Another company, phone 2, charges 5$ for a monthly fee and 0.25$ per minute. Write an equation for the total cost of each phone bill, where y is the total cost and x is the total number of minutes on the phone. Which company will allow Ellie to talk the longest is she only wants to spend 22$ a month
Answer:
Phone 1 will allow Ellie to talk the longest
Step-by-step explanation:
Phone 1:
(0.10x) + 6 = y
(0.10x) + 6 - 6 = 22 - 6
0.10/0.10x = 16/0.10
x = 160 minutes
Phone 2:
(0.25x) + 5 = y
(0.25x) + 5 - 5 = 22 - 5
0.25/0.25x = 17/0.25
x = 68 minutes
omg can someone plzz help me
Answer:
do you mean to put it in y=mx+b form because that would be y=2+2
The solids are similar. Find the missing dimension.
which expression is equivalent to (4*2) 1/3
Answer:
B
Step-by-step explanation:
Quadrilateral ABCD has two pairs of parallel opposite sides and the m∠A=90°. Classify quadrilateral ABCD.
Answer: Rectangle
Step-by-step explanation: A rectangle has opposite sides which are parallel and congruent and a rectangle must have a right angle
Can someone help with this please . I really don't understand it!!!!!!!!
natural log = ln= log base e = logₑ
normal log = log = log base 10 = log₁₀
when someone says log you consider it log₁₀
when someone specifically says natural log or ln you consider logₑ
A circular sign has a diameter of 13 feet.
What is the circumference of the billboard
sign, in feet?
Answer:
47.12 ft
Step-by-step explanation:
C = 2πr
2 · π · 7.5
≈ 47.12
Ms. Geiger made 100 cupcakes. 60/100 were chocolate, 2/10 were vanilla, and the rest were red velvet. What fraction of the cupcakes were red velvet?
Answer:
2/10
Step-by-step explanation:
Ms. Geiger made 100 cupcakes.
a) Number of chocolate
60/100 were chocolate
= 60/100 × 100 = 60 chocolate cup cakes
b) Number of vanilla
2/10 were vanilla
Hence:
2/10 × 100 = 20 vanilla cup cakes
c) the rest were red velvet.
Number rod red velvet = 100 - (60 + 20)
= 100 - 80
= 20 velvet cupcakes
What fraction of the cupcakes were red velvet?
Converting to fraction
Number of velvet cupcakes/Total number of cakes
= 20/100
= 2/10
i need help please i’ll give u a brainliest for the correct answer
Answer:
75.4m²
Step-by-step explanation:
The shape shown is a cylinder
The volume of a cylinder can be calculated using this formula:
[tex]V=\pi r^2h[/tex]
where r = radius and h = height
The cylinder shown has a radius of 2m and a height of 6m
Using this information we plug in the values into the formula
[tex]V=\pi 2^26\\2^2=4\\4\pi =12.56637\\12.56637*6=75.39822[/tex]
So the area of the cylinder is 75.39822
Our final step is to round to the nearest hundredth
The final answer would be 75.4m²
Write an equation in slope-intercept form of the line that passes through the given point and is
parallel to the graph of the given equation.
(-1,6); y = 9x - 5
Answer:
y = 9x - 15
Step-by-step explanation:
The given y = 9x - 5 is already in slope-intercept form. Any line parallel to this one has an equation that looks exactly the same except for the constant term. Call the new constant term 'C.'
Start with y = 9x - 5 and substitute the coordinates of the given point (-1, 6):
6 = 9(-1) + C, or
6 + 9 = C, or
C = 15
Then the equation of the line that passes through (-1, 6) and is parallel to y = 9x - 5 is
y = 9x - 15
how do you draw on essay questions on online school pls help ASAP
Answer:
i dont think that you can
perhaps attatch a file of a drawing to the question you are answering for school
Step-by-step explanation:
Answer:
Answer the question according to general rules of academic writing. Use indentations; begin each paragraph with a topic sentence; support the topic sentence(s) with reasons and/or examples; use transition words to show logical organization; write a conclusion. Use correct punctuation throughout.
Step-by-step explanation:
i dont know is this what u meant lol
will mark brainliest
Answer:
25 un²
Step-by-step explanation:
Formula = 1/2(b x h)
Base = 10
Height = 5
1/2( 10 x 5) = 1/2 (50) = 25
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
Answer:
[tex]25 \: {units}^{2} [/tex]
Step-by-step explanation:
[tex] \frac{(10 \times 5)}{2} = 25[/tex]
Which statements are true? Check all that apply.
The ratio of the measure of the central angle to the measure of the entire circle is StartFraction 5 Over 2 pi EndFraction.
The ratio of the measure of the central angle to the measure of the entire circle is Five-halves.
The area of the sector is 250 units².
The area of the sector is 100 units².
The area of the sector is more than half of the circle’s area.
Answer:
1, 3, 5
Step-by-step explanation:
just took the edge.
The area of the sector is 250 units². Therefore, the correct option is option A among all the given options.
What is sector of circle?A circle's sector is a pie-shaped portion made up of the arc and its two radii. At both ends of the arc, when a section of the circle's circumference (also called as an arc) and two of its radii meet, a sector is produced. A sector of such a circle resembles a piece of pizza or a pie in shape.
A circle ranks among the most ideal shapes in geometry. The simplest geometric shape is that of a circle's sector. It has a number of its own components. such as sector, segmentation, circumference, segment, and diameter. The area of the sector is 250 units².
Therefore, the correct option is option A.
To know more about sector of circle, here:
https://brainly.com/question/15591260
#SPJ7
Asking again because last time I didnt get an actual answer. What is the surface area of this composite figure?
Answer:
644 cm^2
Step-by-step explanation:
10*7*2+12*7*2+12*10=140+168+120=428
10*12-3*3=111
428+111=539
8*3*4+3*3=96+9=105
539+105=644
The plot shown below describes the relationship between students' scores on the first exam in a class and their corresponding scores on the second exam in the class. A line was fit to the data to model the relationship.
Answer: y=x estimate: 88
Step-by-step explanation:
helpmesolevthisplease
Answer: reflection across the x = -y B
Step-by-step explanation:
PLZZZ HELP MEE
James adds vitamin drops to his fish tank to keep his fish healthy. If James
follows the instructions on the bottle of vitamins, how many capfuls should he add
to his 450-litre tank? (4 marks)
• 2 drops per 5 litres
of water
• 1 capful = 40 drops
Step-by-step explanation:
350/5=70 liters X 2 drops for every 5 liters=140 drops needed for the whole tank.
Since 1 cupful contains 40 drops, the we have this:
140 drops needed for the full tank/40 drops contained in one cup, or,
140/40=3 1/2=3.5 number of cupfuls needed for the full tank.
hopefully this helps
Darien is discounting all prices on the sales for 20%. Which expression below represents the price, p, of any item he marks down
A) 2.2p
B) 1.2p
C)0.8p
D)0.2p
Answer: C. 0.8p
Step-by-step explanation:
Since Darien is discounting the prices by 20%, the new price will be 80% of the original price, or 0.8 times the original price
The difference of the two numbers is 1.Their sum is 23.find the numbers
Answer:
11 and 12
Step-by-step explanation:
The two numbers will be called x and y. The sum of x and y is 23 and the difference is 1.
x + y = 23
x - y = 1
Add the equations together
x + y + x - y = 23 + 1
2x = 24
x = 12
y = x - 1
y = 11
can you guys help me on this one please ?
Answer:
C7t
Step-by-step explanation:
1. Calculate the approximate area of the sector with a central angle of 87 as shown below. Round to the nearest hundredths
A 1.27
B 0.98
C21.97
D 5.31
help me out pleaseeeeeeeeeee
Step-by-step explanation:
1. 6y=2x+5(divide all sides by 6) y=1/3x+5/6 =1/3
I just need help finding what Y is
Find the value of x.
Answer:
The value of x is 70
Step-by-step explanation:
Here, we want to find the value of x
To do this, we are going to use one of the circle tangent relationships
we have this as;
24 = (118-x)/2
2(24) = 118-x
48 = 118-x
x = 118-48
x = 70
Olivia download music for $1.89 per song. She has a credit on her account for $3. Which expression could be used to represent the cost of the music if Olivia downloads m songs?
Answer:
Answer 3 (1.89m - 3)
Step-by-step explanation:
Since we know that the price per song is $1.89, that is going to be the part of the equation that goes with the variable.
Since she has a 3 dollar credit, this will reduce the cost of whatever amount of songs she is buying by 3 dollars, which means the second part of the equation is -3. You have your answer, 1.89m - 3.