Answer:
1expn=3p
2expn=8-9p
3p(8-9p)
What number represents the same amount as 8 hundreds + 10 + 0 ones?
Answer:
810
Step-by-step explanation:
hope it help you ☺☺....
Which equation represents the line that passes through
the point (10, 1) and is perpendicular to the graph of
2x - y = 7?
Answer:
x+2y=12
Step-by-step explanation:
I used DESMOS graphing calculator. I highly recommend it for problems like this.
Three friends went to Staples for school supplies. Anna bought two notebooks, one pencil, and three
binders for $14.50. Josh bought one notebook, four pencils, and one binder for $7.50. Alex bought 3 notebooks,
two pencils and two binders for $14.50. Find the price of each item by solving a system of three equations
algebraically
Answer:
A pencil costs $0.50
A binder costs $3.00
A notebook costs $2.50
Step-by-step explanation:
Represent Notebook with N, Pencil with P and Binder with B
For Anna:.
2N + P + 3B = 14.50
For Josh:.
N + 4P + B = 7.50
For Alex:
3N + 2P + 2B = 14.50
Required
Solve for N, P and B
Make N the subject in the second equation
N + 4P + B = 7.50
N = 7.50 - 4P - B
Substitute 7.50 - 4P - B for N in the first equation
2N + P + 3B = 14.50
2(7.50 - 4P - B) + P + 3B = 14.50
Open Bracket
15.0 - 8P - 2B + P + 3B = 14.50
Collect like terms
3B - 2B + P - 8P = 14.50 - 15.0
B - 7P = -0.50
B = 7P - 0.50
Substitute 7.50 - 4P - B for N in the third equation
3N + 2P + 2B = 14.50
3(7.50 - 4P - B) + 2P + 2B = 14.50
22.50 - 12P - 3B + 2P + 2B = 14.50
Collect Like Terms
2P -12P + 2B - 3B = 14.50 - 22.50
-10P - B = -8
Multiply through by -1
10P + B = 8
Recall that B = 7P - 0.50
10P + B = 8 becomes
10P + 7P - 0.50 = 8
17P - 0.50 = 8
17P = 8 + 0.50
17P = 8.50
Divide through by 17
P = 8.50/17
P = 0.50
This implies that a pencil costs $0.50
Substitute 0.50 for P in B = 7P - 0.50
B = 7 * 0.50 - 0.50
B = 3.50 - 0.50
B = 3.00
This implies that a binder costs $3.00
Substitute 3.00 for B and 0.50 for P in N = 7.50 - 4P - B
N = 7.50 - 4 * 0.50 - 3.00
N = 7.50 - 2.00 - 3.00
B = 2.50
This implies that a notebook costs $2.50
I'm really nervous because I have a big test in 10 minutes; what are your most effective strategies to calm down? any tips?
Answer:
just focus on breathing and not stressing. dont focus on any last minute revision as this probably wont be useful. try drinking some water
If f(x) = 1.2-3.4x what is the value of f(5.1)
Answer:
−f(5.1) = 16.14
Step-by-step explanation:
Hope this helps! Stay safe!
Please help it’s due
4 = 130
2 = 50
1 = 90
3 = 40
:)
f(x) = -7x + 1, find f(-2) x
f=-2
Okay, so basically just plug -2 in for x in the equation and solve.
-7(-2) + 1
Multiply first
14 + 1
Now add
15
i will brainlest this don't answer if out the real answe thank you
You will repost if you take my point this is not free comment if you have a question
Answer:
1) Product of 2 x 3/5 is 6/5 or 1 and 1/5.
2) 20/9 or 2 and 2/9
3) 15/8 or 1 and 7/8
4) 15/6 or 2 and 3/6 or 2 and 1/2
5) 6/4 or 1 and 2/4 or 1 and 1/2
Step-by-step explanation:
You multiply the whole number by the numerator (top number) and then divide the result by the denominator(bottom number). Afterward, simplify the fraction if you can, for example, 6/9. Both the numerator and denominator can be divided by 3. Therefore, the answer to that example is 2/3.
Answer:
1) Product of 2 x 3/5 is 6/5 or 1 and 1/5.
2) 20/9 or 2 and 2/9
3) 15/8 or 1 and 7/8
4) 15/6 or 2 and 3/6 or 2 and 1/2
5) 6/4 or 1 and 2/4 or 1 and 1/2
Step-by-step explanation:
Represent the arithmetic series using the recursive formula. 94, 89, 84, 79, …
pLeAsE hUrRy
Answer:
The answer is 5
Step-by-step explanation:
Hope it helps <3 c:
write the equation in slope-intercept form. y - 2 = 6 (x + 1)
Answer:
y=6x+8
Step-by-step explanation:
Write in slope-intercept form, y=mx+b.
Who knows the answer to this
x=-15/2 , 4
I'm sorry if I'm wrong
What is the slope m in the equation y = -2x + 5
Answer:
m = -2
General Formulas and Concepts:
Slope-Intercept Form: y = mx + b
m - slope
b - y-intercept
Step-by-step explanation:
Step 1: Define function
y = -2x + 5
Step 2: Break function
Slope m = -2
y-intercept (0, 5)
What is the quotient of 35, 520 = 96?
O 37
O38
O 370
O 380
Answer:
The answer is 370 hoped that helped
Use the given conditions to find the exact value of the expression.
9514 1404 393
Answer:
(7 -24√3)/50 = 0.14 -0.48√3
Step-by-step explanation:
Sine is negative and cosine is positive in the 4th quadrant, so ...
sin(α) = -√(1 -cos(α)²) = -√(1 -576/625) = -7/25
Then the cosine of the angle sum is ...
cos(α +5π/6) = cos(α)cos(5π/6) -sin(α)sin(5π/6)
= (24/25)(-√3/2) -(-7/25)(1/2)
= (7 -24√3)/50 = 0.14 -0.48√3
please help with this question
Answer:
Rotation
Step-by-step explanation:
Rotation around the origin I believe
What are the solutions of 8x2 = 6 + 22x? Check all of the boxes that apply.
x = -3
x =
x = 3
x = 6
Answer:
x = 3 x = ‐1/4
Step-by-step explanation:
Was right on the quiz
Answer:
x = 3 x = ‐1/4
Step-by-step explanation:
the first one is also right!!
PLEASE HELP!!!
Which expression is equivalent to 4sin^2(x) - 8sin^2(x/2)
Answer:
4(sin^2(x) -2sin^2(x/2))
Step-by-step explanation:
Matter of factorising
Answer:
It is 4(cos(x)-cos^2(x))
Step-by-step explanation:
I used an app on chegg and found that this is the only answer that is equivalent
need someone’s help with this please!!!
Drag the tiles to the correct boxes to complete the pairs. Match the values based on parallelogram ABCD, shown in the figure. length of value of m∠DAB value of 56 arrowRight 4 arrowRight 44 arrowRight 2 arrowRight
Answer:
56 ---> m< DAB
4 ---> length of line BC
44 ---> value of y
2 ---> value of x
Step-by-step explanation: edmentum test answer
The length of BC is 4 units, the value of y is 44, a measure of the angle DAB is 56 degrees, and the value of x is 2.
What is parallelogram?In two-dimensional geometry, it is a plane shape having four sides, in which two pairs of sides are parallel to each other and equal in length. The sum of all angles in a parallelogram is 360°.
The question is incomplete.
The complete question is in the picture, please refer to the attached picture.
We have:
Parallelogram ABCD
From the figure:
6 - x = x + 2
2x = 4
x = 2
Length of BC = 6 - x = 6 - 2 = 4 units
12 + y = 100 - y
y = 44
Angle DAB = 100 - 44 = 56 degrees
The value of x = 2
Thus, the length of BC is 4 units, the value of y is 44, a measure of the angle DAB is 56 degrees, and the value of x is 2.
Learn more about the parallelogram here:
brainly.com/question/1563728
#SPJ2
ITS EASY I PROMISE PLEASE NOW
Answer:
I'm pretty sure the answer is B
Step-by-step explanation:
Hope this helped :) Sorry if its wrong
Answer:
b
Step-by-step explanation:
I like to think of it as this:
If the circle is filled, it is [tex]\leq or \geq \\[/tex] (more)
If not, it's < or >
The arrow points in the direction the line is going.
In this graph, the line is going to the left. So is the symbol.
A new cell phone has a purchase price of $225. With the extended warranty, the total cost comes to $289. What
percent of the purchase price is the price of the warranty?
a. 28%
b. 22%
C. 25%
d. 20%
Answer:
The answer would be Letter A which is 28%
Step-by-step explanation:
Took the practice on edge 2020 and got it correct.
What value of a, b, and c make this equation true?
Answer:
I think you need to know the value of X to get this answer.
Step-by-step explanation:
When evaluting an expression, is it easier to combine terms first or substitute values first? PLSSSS ANSWERRR ILL GIVE BRAINLIEST
Answer:
What do you mean by combining terms?
If you have an equation like y=3(2+x), then you would need to substitute for x before you combined the terms "2" and "x"
If the base of a triangle is doubled then new area= ________ times old area
Answer:
As base and height are becoming double the new area is 4 times the original area. When the length of the sides of a triangle double, the area becomes quadruple.
Bill manages a restaurant. He schedules most of his employees to work on saturdays and fridays at night. If 24 of the 40 employees work at night, what percent of the employees work during the day? Pls answer asap! Will mark as brainlist!
Answer:
40%
Step-by-step explanation:
40-24=16
16/40 ×100 =40%
In triangle ABC, the measure of angle B is 50 degrees. Give possible values for the measures of angles A and C if ABC is a right triangle.
9514 1404 393
Answer:
A = 90°, C = 40°A = 40°, C = 90°Step-by-step explanation:
In a right triangle one angle is 90° and the other angle is the complement of the acute angle given.
Angles A and C are not specified, but we know the other two angles are 40° and 90°. The values can be assigned two ways:
A = 90°, C = 40°
A = 40°, C = 90°
Which of the following equations demonstrates the Identity Property of One? A. 3 - 2 = 1 B. 4 • 1 = 14 C. 1 • b = b D. 0 + 1 = 1
If the ordered pair (a, b) satisfies the inequality. y > x-4, three of these statements are
true. Which statement is NOT true?
Answer:
If you subtract 4 from a, it will be greater than b
Step-by-step explanation:
Ok, so in order to solve this, it would be easier to substitute (a,b) into the equation:
b>a-4
Ok, next, you just have to work out each individual question to see which one is incorrect. You can immediately know it is the first one, and this is because we know that B is larger in this equation, but the problem says that subtracting 4 from a would be greater than b. This is incorrect, b is greater than 4-a, so the top left would be your answer.
Hope this helps!
how many solutions does this equations have 3(2.4x+4)=4.1x+7+3.1x?
Answer:
3(2.4x+4)=4.1x+7+3.1x has no solutions.
According to a Pew Research Center analysis of census data, in 2012, 15% of American adults ages 25 and older had never been married. If we repeatedly obtain random samples of 100 adults, what will be the mean and standard error of the sampling distribution of sample proportions?
Answer:
........................