Answer:
x = 9!
Step-by-step explanation:
10 is 2/3 of 15
12 is 2/3 of 18
now to solve for x
6 is 2/3 of 9
so we can say that x = 9!
hope this helps!!
Please help me list the alternate interior angles, alternate exterior angles, corresponding, same-side interior angles, and same-side exterior angles..
Answer: alternate interiors: 2 and 7, 6 and 3
alternate exteriors: 1 and 8, 4 and 5
corresponding: 5 and 7, 6 and 8, 1 and 3, 2 and 4
same side interiors: 2 and 3, 6 and 7
same side exteriors: 5 and 8, 1 and 4
Step-by-step explanation:
no explanation needed
Answer the question that is in the picture please!
Answer:
55
Step-by-step explanation:
180-125= 55
Answer:
55
Step-by-step explanation:
Line DCF is 125. A straight line is 180. So, if you are missing a degree of an angle when you have another angel given to you, then just subtract 180 from the degree that was given. So it's more like this: 180 - 125 = 55.
1+10= ?
10+1= ?
10 + 5 = ?
LoL
Answer:
2758.653
Step-by-step explanation:
I'm super smart
katie is baking cookies. the recipe calls for 3 eggs for every 2 cups of sugar. She will need 12 eggs.
• The first customer paid $12 for 14 postcards and 5 large envelopes.
• The second customer paid $24.80 for 10 postcards and 15 large envelopes.
What was the cost in dollars of each large envelope?
Answer:
$1.42
Step-by-step explanation:
The cost of postcard is $0.35 and the cost of large envelope is $1.42.
What is a expression? What is a mathematical equation?A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.A mathematical equation is used to equate two expressions.Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.We have -
first customer paid $12 for 14 postcards and 5 large envelopes.second customer paid $24.80 for 10 postcards and 15 large envelopes.We can write -
14x + 5y = 12
10x + 15y = 24.80
Now, solving the equation graphically, we get -
x = 0.35
y = 1.42
Therefore, the cost of postcard is $0.35 and the cost of large envelope is $1.42.
To solve more questions on Equations, Equation Modelling and Expressions visit the link below -
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PLEASE HELP 15 POINTS WILL BE GIVEN TO THE CORRECT ANSWER!
Answer:
but where is the question
kindly attach it
select the correct description for the expression 5(x-7)
A the product of a number and a sum
B the quotient of a difference and a number
C the quotient of a sum and a number
D The product of a number and a difference
PLSSS HELP
Answer:
d
Step-by-step explanation:
i got it
Answer:
The correct answer is D
Step-by-step explanation:
My reason for giving this answer is because this problem is written in expression form. Since there is a variable in the expression, You cannot solve X-7 without outside information on the value of X. So D would be the answer because The answer to a multiplication problem is called the product, Then the answer to a subtraction problem is a difference. Answer D says "The product of a number and a difference", Which would mean multiplication and subtraction.
Hope this helped!
Four ingredients costing $320 per kg, $240 per kg, $160 per kg and $80 per kg are mixed so that their masses are in the ratio 4:1:3:2. Calculate the average cost per kg of the mixture.
Answer:
$2160
Step-by-step explanation:
(320*4)+(240*1)+(160*3)+(80*2) = 2160
Four ingredients costing $320 per kg, $240 per kg, $160 per kg and $80 per kg are mixed so that their masses are in the ratio 4:1:3:2. The average cost per kg of the mixture, would be $2160.
What is average?The average is defined as the mean value of the given data which is equal to the ratio of the sum of the data value to the total number of units present in the data.
It is given that
Four ingredients costing $320 per kg, $240 per kg, $160 per kg and $80 per kg are mixed so that their masses are in the ratio 4:1:3:2.
(320 x 4) = 1280
(240 x 1) = 240
(160 x 3) = 480
(80 x 2) = 160
The averege cost per kg of the mixture,
1280 + 240 + 480 + 160
= 2160
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Guyssss I really need help on this high school and up. I’m doing corrections so it’s not c
Answer:
B~48
Step-by-step explanation:
I think its 48....let me know if right or wrong sorry if wrong..
Write this in expression: Three less than five times a number....Use x for the number i will give out points to whoever answers quick!
Answer:
5x-3
Step-by-step explanation:
three less than 5 so three will come after the 5. and the number (x) is being multiplied by 5
The imaginary coefficient of 18 + 15i is?
Answer:
I bc it has an invisible 1 at the side
Select the correct answer.
The volume of a cone is `V = 1/3 pi r^3 h`. The height of the cone is 8 inches and the radius is 4 inches. Estimate the volume of the cone when the radius is decreased 0.3 inches and the height remains constant.
A.
415.58 cu. in.
B.
415.69 cu. in.
C.
424.36 cu. in.
D.
424.6 cu. in.
Answer: B
Step-by-step explanation:
solve by using the quadratic formula
x^2-4x=-2
Answer:
x=2+[tex]\sqrt[]{2}[/tex] or x= 2-[tex]\sqrt[]{2}\\[/tex]
Step-by-step explanation:
WILL GIVE BRAINLIEST!!!!!
solve for y,
y=3x-2
Answer:
-2
Step-by-step explanation:
Y=3x-2
y=3x0-2
y=-2
Find the measure of the indicated angle to the nearest degree
Please show all steps ty
Answer:
71 degrees
Step-by-step explanation:
1. We know that the angle is unknown as demonstrated by '?'
2. The 17 side is opposite of the unknown angle
3. The 18 side the hypotenuse (not in contact with the right angle)
4. Therefore sine will be used where, sine(degree) = opposite/hypotenuse
5. The equation should be sine(degree) = 17/18
6. Since we don't know the degree we bring sine to the left and has a negative power of 1
7. The equation now becomes degree = sine^-1 (17/18)
8. The answer to this is 70.811... which equals 70 degrees and 48 minutes which rounds to the nearest degree of 71
What is the answer to the question?
Find the exact value of cos (α+β), given π/2<α<π, π/2<β<π
tan α = -15/8, sin β = 5/13
I need an explanation on how to do it too. Thank you.
Answer:
[tex]\displaystyle \cos(\alpha+\beta)=\frac{21}{221}[/tex]
Step-by-step explanation:
First, we can draw two right triangles to represent the given information.
Please refer to the attachment.
We will ignore the negatives for now.
The triangle on the left represents the ratio:
[tex]\displaystyle \tan(\alpha)=\frac{15}{8}[/tex]
And the triangle on the right represents the ratio:
[tex]\displaystyle \sin(\beta)=\frac{5}{13}[/tex]
And the unknown side, c and d, were determined using the Pythagorean Theorem.
We want to find:
[tex]\displaystyle \cos(\alpha+\beta), \; \pi/2<\alpha<\pi, \; \pi/2<\beta<\pi[/tex]
So, both α and β are in QII.
Using the Sum Identity, we can write our expression as:
[tex]\displaystyle\cos(\alpha+\beta) =\cos(\alpha)\cos(\beta)-\sin(\alpha)\sin(\beta)[/tex]
Now, we will use our triangles and what we know about our angles and quadrants.
Since α and β are in QII, cosine is always negative, sine is always positive, and tangent is always negative.
Now, we can use our trig ratios. Recall SohCahToa.
According to the first triangle, cos(α) is 8/17.
However, since α is in QII, cos(α) must be -8/17.
Likewise, according to the second triangle, cos(β) is 12/13.
Since β is in QII, cos(β) is -12/13.
Now, we can determine our sine ratios.
According to the first triangle, sin(α) is 15/17.
And since α is in QII, this stays positive.
And, sin(β), as given to us, is 5/13.
Therefore, we will substitute this into our equation. So:
[tex]\displaystyle \cos(\alpha+\beta)=(-\frac{8}{17})(-\frac{12}{13})-(\frac{15}{17})(\frac{5}{13})[/tex]
Evaluate:
[tex]\displaystyle \cos(\alpha+\beta)=\frac{96}{221}-\frac{75}{221}[/tex]
Hence:
[tex]\displaystyle \cos(\alpha+\beta)=\frac{21}{221}[/tex]
12 more than 3 times a number is 4
How to write it in equation form?
Answer:
3n + 12 = 4
Step-by-step explanation:
hope this help, pls mark brainliest :D
I need help ion understand this
Answer:
-1 7/8
Step-by-step explanation:
How is a function different from a relationship that is not a function?
Make sure you fill blank spaces in the box!
The first correct answer will get Brainliest!
Vernon downloads games on his phone every month. Each game costs the same amount.
Month
Games Downloaded
Cost
January
14
$56
February
23
$92
March
?
$116
April
19
$76
How many games did Vernon download in March?
O 31 games
29 games
27 games
25 games
Answer:
29 games
Step-by-step explanation:
Simply divide the amount spent by the number of games.
For January, it would be 56/4 = $4 each game
The same goes on for the following months, even March since the problem states that each game costs the same amount.
So $116/$4 = 29 games.
Vernon downloaded 29 games in March.
What is Unitary Method?The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
Given:
Month Games Downloaded Cost
JAN 14 $56
FEB 23 $92
MAR __ $116
APR 19 $76
Now, In January the price for each game
=56 /15
=$4 each game
In February the price for each game
=92/23
=$4 per game
So, In March
= $116/ $4
= 29 games.
Hence, Vernon downloaded 29 games in March.
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Charlotte can read 8 pages in her book in 10 minutes. How many pages can she read in 35 minutes?
Answer:
She can read 28 pages in 35 minutes
hiw do i divide 14 3 r2 41- 30 _ 11 -9 _ 2 HELPP ME RN
Answer:
its 9
Step-by-step explanation:
The baker sends all of his bread to one store. If he can pack up 14 loaves of bread in a box for shipping, what is the minimum number of boxes required to shop all the loaves baked in two weeks? Explain your reasoning
Answer:
B = T / 14
Step-by-step explanation:
This scenario can be represented and solved using the following equation...
B = T / 14
In this equation, the variable B represents the total number of boxes required to ship all of the loaves of bread while the variable T represents the total number of loaves of bread. Since each box can only hold 14 loaves of bread, dividing the total by 14 would essentially give us the total number of boxes needed so that all of the loaves of bread are accounted for and placed in boxes.
nine bo6s can paint a house in 3 hours how long would one boy take working at the same rate
Answer:
1 boy can work about 0.3 hours
Step-by-step explanation:
The answer is about 0.3 because 3 divided by 9 is 0.333 but rounded its just 0.3
P.S Can I have brainliest?
Given if logan eats his vegetables then he can have bowl of ice cream logan eats his vegetables..
Solve for x: 2/3 (x - 2) = 4x.
Answer:
x = -2/5
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Step-by-step explanation:
Step 1: Define
2/3(x - 2) = 4x
Step 2: Solve for x
Distribute 2/3: 2/3x - 4/3 = 4xSubtract 2/3x on both sides: -4/3 = 10/3xDivide 10/3 on both sides: -2/5 = xRewrite: x = -2/5We start with 2/3(x
−
2) = 4r
Distributing the LHS: 2/3x - 4/3 = 4x
subtracting 2/3x from both sides: -4/3 = 10/3x
Multiplying both sides by 3: -4 = 10x
Dividing both sides by 10
: -4/10 = 10x
Then we come up with -2/5.
I think it's the answer anyway:/
Hope it helps.
1. Simplify by combining
like terms.
j + 3t + 8 + 7j + 2t
i need help!
A tree has a shadow 900 inches long. At the same time of day, Evelyn's shadow is 72 inches long. The two triangles formed by the tree, Evelyn, and their shadows are similar right triangles, as shown in the diagram below.
Evelyn is 65 inches tall. What is the height of the tree in inches?
Answer:
812.5
Step-by-step explanation:
900÷72=12.5
65×12.5=812.5
3 1/2 - 2 5/9 still for the same test XD
Answer: 17/18
Step-by-step explanation: