Let f(x)=-2x-1 and g(x)=x^2-1
Kami is cooking dinner for a family reunion that 21 people are attending. If her recipe calls for 1.6 ounces of ground beef per person, how much beef does Kami need altogether?
Answer:
Kami will need 33.6 ounces of ground beef for the recipe
Step-by-step explanation:
From the problem, we know that one person will use up 1.6 ounces of ground beef. We also know that there are 21 people that will be attending the party. Each of those 21 people will definitely use up 1.6 ounces of ground beef.
Hence, for the recipe to be perfect, Kami will have to use 21 X 1.6 ounces = 33.6 ounces of ground to make the recipe for the entire dinner.
Find the missing side
length of the right
triangle. Remember
a² + b² = c²
12 ft
5 ft
?
need help with this answer
Answer:
which one?
Step-by-step explanation:
Answer:
There is no question
Step-by-step explanation:
3(x-1)-2(2x+1)=8(x-1)
Answer:
x = 1/3
Step-by-step explanation:
3(x-1)-2(2x+1)=8(x-1)
Distribute
3x -3 -4x-2 = 8x -8
Combine like terms
-x -5 = 8x -8
Add x to each side
-x-5+x = 8x-8+x
-5 = 9x-8
Add 8 to each side
-5+8 = 9x-8+8
3 = 9x
Divide by 9
3/9 = 9x/8
1/3 =x
3(x-1)-2(2x+1)=8(x-1)
Use distributive property:
3x-3 -4x-2 = 8x-8
Combine like terms:
-x -5 = 8x -8
Add 8 to both sides:
-x +3 = 8x
Add x to both sides:
3 = 9x
Divide both sides by 9:
x = 3/9
x = 1/3
what is the answer to the equation 8n + 10 = 50 solve for n
Answer: [tex]n=5[/tex]
Add -10 to each side of the equation
[tex]10 + -10 + 8n = 50 + -10[/tex]
Combine like terms
[tex]0 + 8n = 50 + -10\\8n = 50 + -10\\8n = 40[/tex]
Divide each side by 8
[tex]8n/8=40/8\\n=5[/tex]
Answer:
n = 5
Step-by-step explanation:
8n +10 = 50
-10 -10
8n = 40
8 8
n = 5
how do you solve this
Answer:
4x^-4/9y^6
Step-by-step explanation:
If the exponent is outside the bracket, it means that all the terms inside will be raised to that exponent. This means that:
(2x^-2 / 3y^3)^2 = 2^2*(x^-2)^2 / 3^2*(y^3)^2
When exponents are raised to an exponent, the exponents are multiplied together, so (x^-2)^2 will = x^(-2*2) = x^-4
Going through:
2^2*(x^-2)^2 / 3^2*(y^3)^2
=4*x^-4 / 9*y^6
=4x^-4/9y^6
Hope this helped!
How do I solve 3.24 x 1.2? I have tried and I always get the same answer! Please help! The answer is supposed to be 3.888 but I have gotten 6.47 each time. I'm good at math but I really need help!
Answer:
3.888
Step-by-step explanation:
3.24 × 1.2
Using Multiplication method multiply through like normal multiplication, don't
put your decimal yet
= 3.24
× 1.20
_______
000
6480
+32400
_______
38880
_________
Counting the number of decimal places to knowing where to properly place your decimal sign
3.24 = 2 decimal place
1.20 = 2 decimal place
Total = 4 decimal places
3.8880
Therefore, 3.24 × 1.20 = 3.8880 or 3.888
Your town got 3.44 inches of rain in June, 5.07 inches in July, and 4.28 inches in August. What was the average rainfall over these three months?
Answer:
4.4366
Step-by-step explanation:
3.44+5.07+4.28=13.31
13.31/3=4.4366
hope this helps
Given the graphs of y = f(x) and y = g(x),
g(x) = f(x)
expresses g(x) in terms of f(x).
Step-by-step explanation:
g(x) = f(x) + 4.
This is because g(x) is a translation of f(x) that has been moved up by 4 units. (-2 to 2 when x = 0)
Given the graphs of y = f(x) and y = g(x),
g(x) = f(x) + 3
expresses g(x) in terms of f(x).
The Answer is 3.
Which strategie would eliminate a variable in the system of equations? −x+6y=8 7x−y=−2
Answer:
substitution (or addition)
Step-by-step explanation:
A simple strategy for this system is to use substitution. The first equation is easily solved for x, so you could substitute that into the second equation:
x = 6y -8
7(6y -8) -y = -2 . . . . . x variable eliminated
__
The second equation is easily solved for y, so you could substitute that into the first equation.
y = 7x +2
-x +6(7x +2) = 8 . . . . . y-variable eliminated
__
The "addition" method is always a good way to eliminate a variable.
When the coefficient of a variable in one equation is a divisor of the coefficient of that variable in the other equation, a simple multiplication and addition will do.
To make the coefficient of x in the first equation the opposite of the coefficient of x in the second, multiply the first equation by 7. Adding that result to the second equation will eliminate x:
7(-x +6y) +(7x -y) = 7(8) +(-2)
42y -y = 56 -2 . . . . . . x-variable eliminated
Likewise, the second equation can be multiplied by 6 and added to the first to eliminate the y-variable:
(-x +6y) +6(7x -y) = (8) +6(-2)
-x +42x = -4 . . . . . . . . y-variable eliminated
__
It is often the case that using either substitution or "addition" requires about the same amount of work.
Here, the solutions are (x, y) = (-4/41, 54/41).
is -2 a solution for 7x+3=-17-3x ?
Answer:
yes -2 is the correct answer
Step-by-step explanation:
7x+3=-17-3x
7x+3x=-17-3
10x=-20
x=-20/10
x=-2
Answer:
[tex]\boxed{\bold{\huge{\boxed{\sf Yes.}}}}[/tex]
Step-by-step explanation:
=> [tex]\sf 7x+ 3 = -17-3x[/tex]
Combining like terms
=> [tex]\sf 7x+ 3x = -17-3[/tex]
=> [tex]\sf 10x = -20[/tex]
Dividing both sides by 10
=> [tex]\sf x = -2[/tex]
So, -2 is a solution of the given equation.
2x - 3 = 1 and -3x + 6 = 12
Answer:
I am confused by the question no CAPPPPPP
Step-by-step explanation:
Standard Form to Scientific Notation:
5.8 x 107 =
Answer:
just move the decimal a 107 times and add 0's
Step-by-step explanation:
If 10 chips are 130 cals how much is just one chip?
Write an equation of the line passing through the point (6,-2) that is parallel to the line y=4x-11
Answer:
y=4x-26
Step-by-step explanation:
First, a parallel equation, ALWAYS has the same slope. Just plug in your x value into 4(x) , then find a number that adds or subtracts to get your y value, and that number you added or subtracted is your y-intercept.
The equation of the line passing through the point (6,-2) that is parallel to the line y=4x-11 is y = 4x - 26
The equation of the linear passes through the point (6, -2) and is parallel to the line y = 4x - 11
Parallel lines have the same slope.
Therefore,
y = 4x - 11
using
y = mx + b
where
m = slope
b= y-intercept
Therefore, the slope of y = 4x - 11 is 4.
And the slope of the other line will be 4 because they are parallel.
Therefore,
y = mx + b
y = 4x + b
it passes through (6, -2)
-2 = 6(4) + b
-2 - 24 = b
b = -26
The equation will be y = 4x - 26
learn more on linear equation here: https://brainly.com/question/19954463
Point B lies between points A and C on Line segment A C . Let x represent the length of segment AB in inches. The length of line A C is 20 inches. The space between points A and B is labeled x. The space between points B and C is labeled 3 x. Use the segment to complete the statements. The value of x is . The length of Line segment A B in inches is . The length of Line segment B C in inches is
Part 1) The value of x is 5
Part 2) The length of line AB is 5 inches
Part 3) The length of BC is 15 inches
Answer:
5
5
15
Step-by-step explanation:
Choose the expression equivalent to 6x+8+2x+15
Answer:
Step-by-step explanation:
8x + 23
Six girls share 5 1/3 pounds of pretzel each one receive the same amount. However, Sue only eats half of her pretzels and leaves the uneaten on the plate . How many pounds does sue leave on her plate?
Answer:
4/9 pounds
Step-by-step explanation:
5 1/3 pounds of pretzels divided equally for 6 girls would mean that each girl gets 8/9 pounds of pretzel.
If Sue ate half of the 8/9 pounds, that would equal to 4/9 pounds of pretzel.
Suppose y varies directly with x, and y = 6 when x =10. What is the value of x when y = 15?
Answer:
x=19
Step-by-step explanation:
because if you add 6 by 9 and you get 15 and if you plus 9 with 10 uoi get 19
Which number is rational ?
Answer:
d) Root 16 is rational
Step-by-step explanation:
Root 16=4
4 is rational
Therefore root 16 is rational
In the figure below, Y is between X and Z
and XZ = 40
Please help ASAPPPP!!!
Answer:
32
Step-by-step explanation:
The value of a is 8.
Option A is the correct answer.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
XZ = XY + YZ
40 = 3a + 8 + a
40 = 4a + 8
40 - 8 = 4a
32 = 4a
a = 32/4
a = 8
Thus,
a is 8.
Learn more about expressions here:
https://brainly.com/question/3118662
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find the area of the shape
Answer:
546
Step-by-step explanation:
Formula: 0.5*[sum of parallel sides] *height
Answer:
636 in.²
Step-by-step explanation:
First divide the shape into three pieces, you will get a triangle and two rectangles, the base of the triangle is 30 in. The height is 8 in. Multiply 30×8 to get 240 and then divide by two to get 120. Next the rectangle on top has sides that are 24 in. and 8 in. You will get 192. Lastly the rectangle on the bottom has sides of 54 in. and 6 in. For this you will get 324. Finally you add up 120+192+324 to get 636 in.²
Point U is on line segment TV. Given UV = 4 and TU = 13, determine
the length TV.
Answer:
17 units
Step-by-step explanation:
I need help on this one , I keep getting the same answered but says it’s wrongg
Answer:
Step-by-step explanation:
p(x)= -3+4x
p(-2)=-3+4(-2)
p(-2)=-3-8=-11p(0)=-3p(5)=-3+4(5)
p(5)=-3+20
p(5)=17Hey guys i was wondering if i could get some help
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Explanation:
The given piecewise function basically means we have h(x) defined in two different ways based on what x is
If x is less than 2, then h(x) = 4 - x^3 which is what the first row says
Or
If x = 2 or larger, then h(x) = 2x-3 which is what the second row says.
---------
We want to find h(0). We want to find h(x) when x = 0. We'll use the first definition since x = 0 is less than 2.
h(x) = 4 - x^3
h(0) = 4 - (0)^3
h(0) = 4 - 0
h(0) = 4
Solve for x.
-6x - 29 = 5x - 7
Answer:
x = -2
Step-by-step explanation:
-6x - 29 = 5x - 7
Add -6x to both sides
-29 = 11x - 7
Add 7 on both sides
-22 = 11x
Divide
[tex]\frac{-22}{11}[/tex] = [tex]\frac{11x}{11}[/tex]
x = -2
Answer:
x = -2
Step-by-step explanation:
move the terms
-6x -5x = -7 + 29collect like terms
-11x = 22
divide both sides of the equation by -11
x = -2Simplify 3(у- 1) +7 completely.
А. Зу+6
В. Зу+ 4
С. 3y+10
D. Зу- 3
Answer:
B. 3y + 4
Step-by-step explanation:
Step 1:
3 (y - 1) + 7
Step 2:
3y - 3 + 7
Answer:
3y + 4
Hope This Helps :)
if Rx) = 2x - x-6 and g(x) = x - 4, find f(x) = g(x).
Answer:
i have the same question on my worksheet Step-by-step explanation: i need help this is the hardest one
Determine whether the source given below has the potential to create a bias in a statistical study. Washington University obtained word counts from the most popular novels of the past five years. Choose the correct answer below.A. There does not appear to be a potential to create a bias. The organization is reputable and has many professional and credible members.B. There does not appear to be a potential to create a bias. The organization would not gain from putting a spin on the results.C. There does appear to be a potential to create a bias. There is an incentive to produce results that are in line with theorganization's creed and that of its funders.D. There does appear to be a potential to create a bias. There is an incentive to make the results statistically insignificant.
Answer:
B
Step-by-step explanation: