Answers
Greetings.
The answer is y = 2x + 7.
Explanation:
If you are an expert in graph then you are able to find the slope without calculating. (Rise over Run by looking at the graph.)
We can also find the slope by calculating m-value.
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex] ---> Rise Over Run
But how are we gonna calculate if we don't have any two given ordered pairs?
The answer is, we can just pick two ordered pairs that are part of the graph, or rather say that the graph passes through.
The graph passes through (-3,1) and (-2,3).
Then we can calculate the slope by using rise/run.
[tex]m=\frac{3-1}{-2-(-3)}\\m=\frac{2}{-2+3}\\m=\frac{2}{1}\\m=2[/tex]
Thus, the slope is m = 2.
However, we are not done yet. We just only found out the slope. We need to find the y-intercept too.
From Linear Function - [tex]y=mx+b[/tex]
Where m = slope and b = y-intercept.
Since b = y-intercept, we don't need to calculate/substitute x = 0. We simply find which number the graph has y-intercept at.
Which is (0,7), the y-intercept.
Then we substitute b = 7 as y-intercept.
Thus the answer is [tex]y=2x+7[/tex]
Related Questions
10 binder; 60% off; 6% tax
Answers
Answer:
I'm going to assume that the binder is $10, and that the tax is applied after the 60% off, in which case the answer is $4.24
Step-by-step explanation:
10 * 10 = 100
6 * 10 = 60
10 - 6 = 4
6 / 25 = 0.24
4 + 0.24 = 4.24
Answer: $4.24
The regular price of a pair of sneakers is $80. They are on sale now for $50. What is the percent decrease in the price of sneakers?
Answers
9514 1404 393
Answer:
37.5% decrease
Step-by-step explanation:
The percentage change is given by the formula ...
pct change = ((new price) -(original price))/(original price) × 100%
= (50 -80)/80 × 100%
= -3/8 × 100% = -37.5%
The negative sign indicates a decrease.
The decrease in price is 37.5%.
Write an expression to represent a number plus 4.
Answers
Answer:
n + 4
Step-by-step explanation:
n represent the number we are adding to 4 obviously
And 4 is 4 obviously
Hope this helps!
What is 0.76 as a fraction ?
76/100
76/10
76/1000
7/6
Answers
The percentage 0.76 when convert to fraction is: 76/100.
Conversion of percentage into quotient0.76 is a percentage which represent 76% when multiply by 100 calculated as:
0.76×100
=76%
Now 0.76 as a fraction or quotient will be 76/100 in which the numerator is 76 and the denominator is 100 and when you divide 76 by 100 we would arrive at 0.76.
Inconclusion 0.76 as a fraction is: 76/100.
Learn more about fraction here:https://brainly.com/question/1713644
the diagram below shows the tile border shown in gray that surrounds a kiddie pool how many square feet does the tile border cover
Answers
Answer:
72 square feet.
Step-by-step explanation:
You could do this by figuring out directly how many tiles are needed to make the border B...
It is easier to find the area of the large area and subtract the white pool
Large rectangle = 18 * 9 = 162
Small rectangle = 15 * 6 = 90 Subtract
Area of border = 72
An science teacher had 3/4 gallons of a chemical to pour into containers. If he poured 1/7 gallon into each container until he ran out of paint, how many containers had chemical in them, including the one that was partially filled?
Answers
Answer:
5 1/4 containers
Step-by-step explanation:
Let's call this chemical, chemical x, because memoriesSo Mr. Scientist has [tex]\frac{3}{4}[/tex] gallons of chemical xSo how many times does 1/7 gallons divide 3/4 gallons ? That's [tex]\frac{3}{4} \div \frac{1}{7} = 5 \frac{1}{4}[/tex] So only 5 and a quarter containers have chemical. The one that was partially filled is either empty or is one of the 5 1/4 containers with chemical x in it30 POINTS PLEASE HELP
Answers
Answer:
y = 4x + 17
Step-by-step explanation:
y = mx + b given points: (-3,5) (-5,-3)
[tex]\frac{5+3}{-3+5}[/tex] = [tex]\frac{8}{2}[/tex] = 4
y = 4x + 17
According to the chart below, what percentage of Ralph’s expenses are items other than taxes? A circle graph titled Ralph's Annual Expenses. Federal taxes, 29 percent; State/local taxes, 6 percent; Housing and household, 25 percent; Food, 8 percent; Medical care, 11 percent; Transportation, 7 percent; Recreation, 6 percent; Clothing, 5 percent; Other, 10 percent. a. 65% b. 71% c. 75% d. 94%
Answers
according to the chart below, what percentage of ralph’s expenses are items other than taxes?
a. 65%
b. 71%
c. 75%
d. 94%
the answer is A 65%
A) 65%
Step-by-step explanation:
4856
PLESSS SOMEONE KNOW THIS
Answers
Answer:
D.
Step-by-step explanation:
Order of operation states that in order for the addition to be done first, it must be in a set of parenthesis. Then, 4 multiplied by the sum would mean the addition has to be done first. so, yeah.
Don't know if that helps. I hope it does. Have a great day
A chocolate maker melts three blocks of chocolate weighing 5.4 ounces, 6.1 ounces, and 5.7 ounces. If
each truffle takes 0.4 ounces of chocolate, how many truffles can he make?
O A 41
OB. 42
OC. 43
O D. 44
Answers
Answer:
43 truffles
Step-by-step explanation:
First add all of the weights together
5.4+6.1+5.7=17.2
Divide the total chocolate by the weight of a truffle
17.2/0.4=43
Answer:
43
Step-by-step explanation:
Elena has a pet parakeet that weighs 6 when measured in one unit and 170 when measured in a different unit. Which measurement is in ounces, and which is in grams? 6__________170______
Answers
Given:
Elena has a pet parakeet that weighs 6 when measured in one unit and 170 when measured in a different unit.
6__________ = 170______
To find:
The correct units from grams and ounces for these blanks.
Solution:
We know that, 1 ounce is greater than 1 gram.
1 ounce = 28.3495 grams
Multiply both sides by 6.
6 ounces = 170.097 grams
Approximate the values to the nearest whole number.
6 ounces = 170 grams
Therefore, 6 ounces = 170 grams.
Daisy has 23 meters of rope. She wants to know how much that is in inches. There are approximately 2.5 centimeters in 1 inch. What is the best estimate to the number of inches in 23 meters
Answers
905.51 in
Last month, Sheldon earned $12.80 in interest on a $320 deposit into his bank account. If the interest earned is directly proportional to the amount deposited, how much interest can Sheldon expect next month if he deposits $830?
Answers
Answer:
x = 32.20 !!
Step-by-step explanation:
Basically what your going to do is 12.80/320 = x/320
320x = 830 * 12.80
Sooooo X=32.20
Hop this helped
WILL MARK BRAINLIEST PLS HELP
choose all of the points that are solutions to the equation y = x2 - 3x - 4
-4,0
-1, 0
0, -4
1, -6
1, 0
3, -7
pls
Answers
Answer:
-1,0
0,-4
1,-6
Step-by-step explanation:
plug in the first number into x and it gets you the second number
(-1, 0), (0, -4), (1, -6) points are solutions of the given quadratic equation.
What is a quadratic equation?A quadratic equation is an equation where the variable has the highest power of 2.
Given equation is y = x² - 3x - 4
1. For (-4, 0), L.H.S = 0, R.HS = (- 4)² - 3(- 4) - 4 = 24.
Hence, (-4, 0) is not a solution of the given equation.
2. For (-1, 0), L.H.S = 0, R.HS = (- 1)² - 3(- 1) - 4 = 0.
Hence, (-1, 0) is a solution of the given equation.
3. For (0, -4), L.H.S = -4, R.HS = (0)² - 3( 0) - 4 = - 4
Hence, (0, -4) is a solution of the given equation.
4. For (1, -6), L.H.S = -6, R.HS = (1)² - 3(1) - 4 = -6.
Hence, (1, -6) is a solution of the given equation.
5. For (1, 0), L.H.S = 0, R.HS = (1)² - 3(1) - 4 = -6.
Hence, (1, 0) is not a solution of the given equation.
6. For (3, -7), L.H.S = -7, R.HS = (3)² - 3(3) - 4 = -4.
Hence, (3, -7) is not a solution of the given equation.
Learn more about quadratic equation here: https://brainly.com/question/2263981
#SPJ2
Help please!!!! 8. 9. And 10.
Answers
Answer:
9 is 3rd -- 8 is last -- 10 is first --
Step-by-step explanation:
***If this answer Helped you out please press the heart Icon, also It would be nice if you made me brainliest. Enjoy Your Day!***
Alexander is a stockbroker. He eams 11% commission each week Last week, he
sold $7,100 worth of stocks. How much did he make last week in commission? The averages that
same amount each week, how much did he make in commission in 2011
Answers
(A): 825
(B): 42,900
A total of $10,000 is invested at an annual interest rate of 3%. Find the balance after 5
years if the interest is compounded a) quarterly and b) continuously.
Answers
Answer:
Step-by-step explanation:
We will need 2 different equations for this problem. For compounding a certain number of times a year, the formula is
[tex]A(t)=P(1+\frac{r}{n})^{nt}[/tex] so let's do that first. Filling in we get
[tex]A(t)=10000(1+\frac{.03}{4})^{(4)(5)[/tex] and simplifying a bit gives us
[tex]A(t)=10000(1+.0075)^{20}[/tex] and a bit more,
[tex]A(t)=10000(1.0075)^{20}[/tex] and then
A(t) = 10000(1.161184142) so
A(t) = 11611.84
Then for the compounding continuously, the formula is
[tex]A(t)=Pe^{rt[/tex]
[tex]A(t)=10000e^{(.03)(5)}[/tex] and simplify a bit to\
[tex]A(t)=10000e^{.15}[/tex] Now raise e to the power of .15 on your calculator to get
A(t) = 10000(1.161834243) so
A(t) = 11618.34
Not too much of a difference between the 2 values at the end.
C. Use the activity series of metals to predict the products of the following single-replacement
reaction. Explain your answer. (1 point)
NiCl2 + Fe →
Answers
Answer: NiCl2 + Fe
Iron is above nickel in the activity series, so iron will replace nickel like this:
NiCl2 + Fe → FeCl2 + Ni
Cu(OH)2 is insoluble, so it will form a precipitate.
Step-by-step explanation:
hope this helps =)
A solution contains 11 pints of antifreeze and seven pints of water . How many pints Of water must be added to 77 pints Of antifreeze to get a solution with the same concentration.
Please help me with question I don’t get it.
Answers
Answer:
49 pints of water
Step-by-step explanation:
that's the answer to the question
Answer: 49 pints
Step-by-step explanation: if they had 11pints of the anti freeze. And they multiplied it by 7 to get to 77! Therefore you take the multiplier that they used which was 7 and us it to the 7 pints. So then you will be multiplying 7x7 which would be 49.
4(5a + 3) = 20a + 12 represent which property of multiplication?
Answers
Answer:
Distributive property of multiplication
Step-by-step explanation:
The distributive property of multiplication is basically distributing the terms outside the bracket to all the terms inside the bracket. In this case, 4 is multiplied to 5a as well as 3.
14 The graph of a linear function has a y-intercept of 5 and passes through
the point (2,5). What is the slope of the graph of the function?
A. 0
B. 2/5
C. 2.
D. 5/2
Answers
Answer:
(-2,5) is vertex ; y-intercept (0,5) but the y-intercept is actually (0,-7).
Step-by-step explanation:
The vertex form of a quadratic is where the vertex is (h,k). Here h=-2 and k=5. So the vertex is (-2,5).
hope this helped and sorry if it didn't
Miguel bought a shirt for $13.95, a pair of pants for $16.87, and a hat for $7.79. What was the total amount of money Miguel spent?
Answers
Answer:
they did not pay the same rate.
2 pairs for $50
50÷2=25
Miguel spent $25 on each pair of jeans
4 pairs for $90
90÷4=22.5
Han spent $22.50 on each pair of jeans
Therefore these two did not pay the same rate.
Step-by-step explanation:
Wanna chat add me as a friend OR COME TO Snap (ADAMBELAL839)
Answer:
38.61
Step-by-step explanation:
Each value added to gether to achieve your final value
Solve the equation and enter the value of x below.
-4x-13 = 51
X=
Answer here
Answers
Answer:
x = -16
Step-by-step explanation:
-4x - 13 = 51
-4x = 51 + 13
-4x = 64
x = -16
A cookie jar has 3 dozen chocolate chip, 1 dozen peanut butter, and 2 dozen oatmeal raisin cookies. If Megan chooses a cookie, does not
replace it, then chooses another, what is the probability that she chooses a peanut butter then a chocolate chip cookie?
A) 6/71 to attempt to make new friends
B) 1/12 to make people jealous
C) 2/3 to win a trophy
D) 1/10 to get attention
E) 11/72 to get others to join
Answers
Answer:
A) 6/71 to attempt to make new friends
Step-by-step explanation:
The probability that she chooses a peanut butter then a chocolate chip cookie is about 6/71 in an attempt to make some new friends!
I hope this helps! Good luck with your assignment/test! <3
- 7v7
please help ASAP [IMAGE]
Answers
Answer:
y is equal to negative 2 x plus five
What is 5/8 ÷ 3/4 I need to know this please hurry
Answers
Answer:
5/6
Step-by-step explanation:
i used a caculater
BRAINLIEST PLEASE
What is the relationship between the area of a triangle and the area of a rectangle?
Answers
let area of triangle be x
let area of rectangle be y
Then,
2x = y
1. Write 12 cookies to 30
brownies as a ratio in
simplest form.
5:2
12:18
2:5
Answers
Answer:
The correct answer would be 2:5
Step-by-step explanation:
Answer:
2:5
Step-by-step explanation:
12÷6=2 30÷6= 5 is the simplest form
( - 8)( - 4)(12)
I need help with this :)
Answers
Answer:
= 384
Step-by-step explanation:
(-8)(-4)(12)
= (32)(12)
=384
Answer:
384
Step-by-step explanation:
A function has a constant doubling time. What type of function does this represent?
A. Decreasing linear
B. Exponential decay
C. Exponentia growth
D. Increasing linear
Answers
Answer:
C. Exponential growth
Step-by-step explanation: