Answer: (A) y=-2x
Step-by-step explanation:
Lets plug in the point (2,-4) for each equation.
-4=-2(2) this is correct
-4=2*2
-4=4 This cannot be true
-4=-2+3 =-4=1 This is false
Lastly, -4=2-4 this is false because -4 can't equal to -2.
So, A is the answer
Emily and Andy each go to a hardware store to buy wire. The table shows the relationship between the cost and the length of wire.
Emily needs 21 feet of wire. How much will she spend on wire?
Answer:
630 dollars is the answer
Answer:
15.12
Step-by-step explanation:
you multiply 120 by 3
You buy 2.25 pounds of oranges and 2.15 pounds of apples. Oranges and apples sell for the same price per pound. The total cost, after using a 75¢-off coupon, is $3.21. If c represents the cost of the fruit in dollars per pound, what equation could you use to find the value of c?
Answer:
Step-by-step explanation:
If the price per pound is increased by $1, $12 will buy 0.4 pounds less of ... C. D. E. Difficulty: 45% (medium). Question Stats: based on 162 sessions ... What is the current price per pound of apples at the grocery store? ... Using answer choices ... per question stem we have Current pound when cost is A - pound when cost is ...
Identify the graphed linear equation.
Y= 1/4x + 5
Y= 1/4x -5
Y= 1/4x + 5/2
Y= 1/4x -5/2
Answer:
Y=1/4x-5/2
Step-by-step explanation:
The slope is rise/run or 1/4 in this case. The y-intercept is clearly located at -2.5, or -5/2.
-4/11 y = -16/33 Helppp its Equations with Rational Coefficients!!
Please really need help on this please
Stanley is having trouble understanding how to find the GCF
of two numbers. Do you think you could explain how to find
the GCF of 8 and 16? He could really use your help. Make
sure you are as detailed as you can possibly be!
I
Hi, Stanley! This is how you find the GCF of 8 and
16:
Answer:
8
Step-by-step explanation:
All the factors of 8 and 16 are 1;2;4;8
Question 5 of 8
The graphs below have the same shape. Complete the equation of the blue
graph. Enter exponents using the caret (-); for example, enter to as x^3. Do
not include "G(x) =" in your answer.
Answer: g(x) = (x - 1)^3
Step-by-step explanation:
There is a transformation called "horizontal translation"
For an initial function f(x), a horizontal translation of N is written as:
g(x) = f(x - N)
where if N is positive, we have a translation of N units to the right.
If N is negative, we have a translation of N units to the left.
Here, we can see that:
f(x) = x^3, such that when x = 0, f(0) = 0.
And g(x) seems to be a horizontal translation of f(x) (because the graph of g(x) is equidistant to the graph of f(x)), then:
g(x) = (x - N)^3
And we can see that when x = 0, g(0) = 1
Then:
g(0) = (0 - N)^3 = 1
N^3 = 1
N = ∛1 = 1
Then the equation for g(x) is:
g(x) = (x - 1)^3
the quotion of a number and 5 is eqaul to -7. what is the number?
a.-2
b.-12
c.35
d.-35
Answer:
D. - 35
Step-by-step explanation:
- 35 ÷ 5 = -7
This is the only equation in which you get the correct answer.
Hope that helped you and have a great day!
Plz help meh
A creature on the moon throws a rock off a cliff. The height of the rock above the surface of the moon, in meters, t seconds after it is thrown is given by h(t) = -t^2 + 8t + 10. When does the rock hit the surface of the moon?
Plz give step by step solution.
Answer:
Step-by-step explanation:
The rock will hit the surface when its height equals zero.
t^2-8t-10=0
t^2-8t=10
t^2-8t+16=10+16
(t-4)^2=26
t-4=+(26^(1/2))
t=4+(26^(1/2))
t=9.1s
solve for x.
i need help
Answer:
2x=180-(3x+20)
2x=180-3x-20
5x=160
x=32
Step-by-step explanation:
8. Find the measure of the indicated angle. Round to the nearest
whole number.
28
?
34
Answer:
relationship between base and hypotenuse is given by cos angle
let angle be ø
cos ø=b/h
cosø=28/34
ø=cos-¹(28/34)=34.5°
True or false? Rational numbers can also be integers.
Answer:
True
Step-by-step explanation:
Plz help I tried and got it wrong
Answer:
Height = 20 cm
Step-by-step explanation:
Given the following data;
Length = 9cm
Breadth = 9cm
Volume of rectangular prism = 1620cm³
To find the height;
The volume of a rectangular prism is given by the formula;
Volume of rectangular prism = length * breadth * height
Substituting into the equation, we have;
1620 = 9 * 9 * height
1620 = 81 * height
Height = 1620/81
Height = 20 cm
For every nine bags of peanuts a circus sells, they sell four boxes of popcorn. If the circus sold 225 bags of peanuts, how many boxes of popcorn did they most likely sell?
Answer:
2025
Step-by-step explanation:
6 + (9 − 1) 2 ÷ 4
the 2 is an exponent
Part A
Steve buys 2 lb of grapefruit and 3 lb of oranges for $7.20. Kennedy buys 4 lb of grapefruit and 2 lb of oranges for $8.80. Let x represent the price
per pound for grapefruit, and let y represent the price per pound for oranges. Choose the system of equations that models the situation.
A. 2x + 3y = 7.20
2x + 4y = 8.80
B. 3x +2y = 7.20
4x + 2y = 8.80
C. 2x + 3y = 7.20
4x + 2y = 8.80
D. 2x + 3y = 8.80
4x + 2y = 7.20
Part B
Steve buys 2 lb of grapefruit and 3 lb of oranges for $7.20. Kennedy buys 4 lb of grapefruit and 2 lb of oranges for $8.80. Let x represent the price
per pound for grapefruit, and let y represent the price per pound for oranges. Use the system of equations from Part A to find the price per pound
for oranges
price: $
per pound
Hello please help me
Answer:
A
Step-by-step explanation:
its D option..........
Hola me pueden ayudar doy más puntos
Answer:
A. -5. B) 4. C) 2. D) -7 e) -3 f)-5 g) -3 h) -2 i) -5 j) -5 k) -3 L) -6 m) -1 n)-10 o) 10 p)-10
q) 4 r) 2 S) 0 t) -7 u) -13
Step-by-step explanation:
April decided to purchase
Answer:
milk?
Step-by-step explanation:
On a map, 1 inch = 10 miles. Two cities are 4 inches apart on the map. What is the actual distance between the cities
Answer:
1 inch=10miles
4inches=b
cross multiply
b inches= 10 *4
b= 40
2/3 of 3/5 =???........
Answer: The answer is 2/5
Step-by-step explanation:
First you turn the 3/5 to a decimal and that is 0.60 .
Then you divide .60 by 3 and that is .20 ,
then you add .20 with another .20 since its 2 thirds and then its .40 or 2/5
A painter uses 1 1/2 gallons of paint to cover 3/4 of a wall. At this rate, how many gallons of
paint does it take to paint the entire wall?
I found this for your question! Hope it helps!
A number is chosen at random from 1 to 50. Find the probability of selecting numbers greater than 30 and less than 36
Answer:
10%
Step-by-step explanation:
it will be the numbers 31, 32, 33, 34, 35.
5 numbers in 50 choices gives you 10%
Directions- graph the following slope intercept equation
Answer:
Look at the picture
Step-by-step explanation:
Calculate the value of the following expression. Express your answer either as an improper fraction or a decimal.
(-8) x (2/3)
Match each statement (term) with its value in relation to 0 (definition).
Match Term Definition
A building is 38 feet tall. A) 2.7
The scuba diver was 38 feet below sea level. B) −38
The basement is 8.3 feet below ground. C) 38
Oliver owes his sister $27. D) –27
Erica jumped 2.7 feet above ground. E) –8.3
Match them
for example: A C D B (not the answer just an example)
Solve the math problems as quick as you can in 20 seconds
3x14
9x8
5x13
6x17
5x3
12x12
11x10
6x7
6x9
4x8
3x23
Answer:
42
72
65
102
15
144
110
42
54
32
69
Step-by-step explanation:
Hope this helps.
3 x 14 = 42
9 x 8 = 72
5 x 13 = 65
6 x 17 = 102
5 x 3 = 15
12 x 12 = 144
11 x 10 = 110
6 x 7 = 42
6 x 9 = 54
4 x 8 = 32
3 x 23 = 69
Missing number for equivalent fraction 11/2=33/?
Answer:
6
Step-by-step explanation:
Help pls also show work if needed!
Answer:
yes, no, yes, no
Step-by-step explanation:
For it to be a line, that means that when x goes up by 1 y goes up by the same thing every time.
7a. from (1, 12) to (2, 8), the x coordinate goes up by 1 and the y coordinate goes down by 4. From (2, 8) to (3, 4) the y coordinate again goes down by 4 when the x coordinate goes up by 1. This pattern continues for the other points, so yes.
Do the same thing for the rest and you should get:
7b. No
7c. Yes
7d. No
Answer:
a=no
b=no
c=yes
d=no
Which expression is equivalent to 3(2x + 1) — (x — 1)?
A. 5x
B. 5x + 2
C. 5x + 4
D. 3x + 6