Christopher put 12 gallons of gas in her car. She uses one gallon for every 20 miles he drives.
a. Write an equation to represent the total amount of gas left in his car based upon how many miles she has driven.
b. Find the slope and y-intercept.
Answer:
Equation: y=(-1/20)x+12.
Slope: -1/20
Y-intercept: (0, 12)
Step-by-step explanation:
Let x=the number of gallons of gas in Christopher's car.
If we start with 12 gallons, we have the equation: y=(-1/20)x+12.
This equation is already in slope intercept form, so we see that the slope is -1/20, and the y-intercept is (0, 12).
Let me know if this helps!
LOL ISTG SOME1 HELP . Use the Distributive Property to evaluate 7(4 + 2).
Answer:
42
Step-by-step explanation:
You have to multiply 7 by 4 and 2 then add them together. 7*4 = 28 and 7*2 = 14. 28 + 14 = 42. (Make sure to double-check to see if my answer is correct)
Answer:
42
Step-by-step explanation:
7 x 4=28
7 x 2=14
14+28
=42
Please help ASAP thank you!
Answer:
Step-by-step explanation:
Perimeter=((4-1)+(-2-(-4)))2
=10
Answer:
Perimeter=((4-1)+(-2-(-4)))2 =10
Step-by-step explanation:
may i pls have brainliest
p.s i agree with the guy below/ or above me
Find each difference
1:9 — 4
2:4 — 9
3:9 — (-4)
4:-9 — (-4)
5:-9 — 4
6:4 — (-9)
7:-4 — (-9)
8:-4 — 9
Answer:
-9
Step-by-step explanation:
I NEED HELP. WILL GIVE BRAINLIEST !!
Answer:
The answer is the third option and the last option
Step-by-step explanation:
This is because these are the only two answers you will need to use proportional relationships on. Need to find the y. Did this help? If so, it would be nice to have brainliest.
(7th-grade math: word problems: algebra)
The price to mail a letter at the post office is $0.55 for the first ounce and $0.32 for each additional ounce. Barbara paid $2.47 to mail her letter. How much did the letter weigh?
Answer:
2.83 pounds???
Step-by-step explanation:
I just added 0.55+0.32 and divided by 2.47 :)))
Please help me I will give you the brain thing and extra points please hurry tho.
Answer:
I would recommend the website symbolab.com it really helps
Step-by-step explanation:
Answer:
<A = 115 degrees, <C = 50 degrees
Step-by-step explanation:
<A+<B+<C = 180 degrees
substitute with the given values: 4x - 13 + 15 + x + 18 = 180 degrees
Solve: x = 32 degrees
Substitute back in for <A : 4(32) - 13 = 115 degrees
Substitute back in for <C: 32 + 18 = 50 degrees
GEOMETRY HELP PLEASE!!!! WILL GIVE BRAINLIEST!
A furniture store offers free setup and delivery services to all points within a 25-mile radius of its warehouse distribution center. If you live 20 miles east and 14 miles south of the warehouse, will you incur a delivery charge? JUSTIFY YOUR ANSWER!
Answer:
Step-by-step explanation:
make a good drawing and notice the right triangle with legs 20 mi and 14 mi
the distance from home to the warehouse is the hypotenuse c of the right triangle thus we will use the Pythagorean Theorem:
c^2 = 20^2 + 14^2
c^2 = 596
c = 24.41 mi approximately is the distance from home to a warehouse
since 24.41 < 25 you will incur a delivery charge.
Answer:
no, delivery charges will not be incurred
Step-by-step explanation:
Hope my answer help
What's the slope? ANSWER PLEASE
Answer:
negative
Step-by-step explanation:
What does x represent in the equation.
[tex]1/3 ( x - 10) = -4[/tex]
Answer:
18
Step-by-step explanation:
HELP! Basic Algebra....need help quick
6(c+5) - 2c= 56-9c What is c
-1/2x + 6x - 2 = 20 What is x
Answer:
c=2 and is that a fraction or is it division?
Step-by-step explanation:
i dont know how to explain
Find the perimeter and the area of the figure to the nearest hundredth, if necessary.
Answer:
area: 31.63ft perimeter: 21.71ft
Step-by-step explanation:
Divide this up into 2 right triangles and 2 semicircles
Area:
right triangles: 2(0.5(3)(4))= 12ft
semicircles: 2(0.5*π*2.5²)= 19.63ft
area of entire buttcheek: 12+19.63=31.63ft
Perimeter:
top: 6ft
arcs: 2(π*2.5)= 15.71ft
perimeter of entire buttcheek: 6+15.71=21.71ft
The model below represents an equation. Write the equation that is modeled then find what value of x makes the equation true.PLZ HELP ASAP
Answer:
x = -6
Step-by-step explanation:
5x+2=6x+8
5x-6x=8-2
-1x=6
-1x/-1=6/-1
x=-6
Two Florida panthers were weighed. One weighs 6x + 21 pounds and the two together weigh 14x + 11 pounds. How much does the other panther weigh alone?
plz plz help i beg i will givebrianlist
Answer:
36.86
Step-by-step explanation:
Answer:
i cant answer this because it doesnt really make any sense but some guy said 36.86 or something like that
i hope hes right
Step-by-step explanation:
A pre-image is dilated by a scale factor of 4. Which statement about the pre-image and its image is true?
A.They are congruent. The perimeters and areas are equal.
B.They are similar. The perimeter and the area of pre-image are quadrupled.
C.They are similar. The perimeter of the pre-image is multiplied by 4 and its area is multiplied by 16.
D.They are different shapes and sizes. The perimeter of the pre-image is multiplied by 16 and its area is multiplied by 4.
Answer:(c)
Step-by-step explanation:
HELPPPPPPPPPPPPPPPPPPPPPPP PLZZZZZZZZZZZ ASSSSSSSAAAAAPPP
Answer:
rhe surface area of the 27 square of prism
A set of speakers that originally sells for $225 is currently on sale for 20% off. How much does the set of speakers currently cost?
Help thank you
Xxxxxxx
LORD PLEASE HELP ME Oh MY GOSH
Answer:
1.B
2. 30 cupcakes
Step-by-step explanation:
Please answer!! What's the slope?
Answer:
B.) undefined
Step-by-step explanation:
It is a vertical line therefore is undefined because
a horizontial line is a line with zero slopea diagnal line from the left bottom to the right top { / } is a line with a positive slopea diagonal line from the left top to the right bottom { \ } is a line with a Negitive slope.Suppose there are 3 concerts at this hall next week, and the total attendance will be 5,500. Use a percent expression to predict the number of these attendees who will leave a concert early next week.
Answer:1,833
Step-by-step explanation: 5,500 divided by 3 is 1,833. Correct me if I’m wrong I think that’s what your doing
Which set of number shows a proportional relationship?
Answer:
D
Step-by-step explanation:
Please help ASAP thank you
With a coupon, you can get a pair of shoes that normally costs $84 for only $72. What percentage was the discount?
Answer:
57
Step-by-step explanation:
Can anyone help please?
Answer:
Step-by-step explanation:
(–10,–3)
(–8,–4)
(–6,–5)
(–4,–6)
(–2,–7)
(0,–8)
(2,–9)
(4,–10)
(7,–11)
Answer:
Step-by-step explanation:
Ok this is pretty simple. Slope intercept is by far the most simple way to write an equation given that it only has 2 pieces: the slope of the line and the value at which it crosses the y axis (so when x=0). Slope is usually represented by the varriable "m" and the y intercept is usually represented by the letter "b". (Don't ask me why they chose these 2 random letters. It's... it's just whatever... Go with it.) Thus, we have the equation y=mx+b. So anyways.. Slope is just the change in y divided by the change in x. To find this, we just take 2 random points on the graph, subtract the first y from the second y and divide that by the first x subtracted from the second x. Let's use (2,-9) and (4,-10) from this fun little graph you ever so generously provided for us.
I'm bad at transitions so here's the math:
(y2-y1)/(x2-x1)
((-10)-(-9))/(4-2)
-1/2 ------> Thats "m".
SOOO... the slope is -1/2. Cool. BUT WE ARENT DONE
The other thing we need is the y-intercept. You may find yourself asking "what is this... this THING... he speaks of?" Its where the line hits the y axis. Thats is. It's not that hard. In this case it's -8 so b=-8.
Now for the best part... LETS PLUG ALL THOSE DOOHICKEYS IN.
y=mx+b
m=-1/2
b=-8
y=-1/2x+-8-----> y=-1/2x-8
TA DA
MAGIC
If you have any other questions just let me know. You can ask it here or just dm me and I'll respond free of charge. G'Day!
Matthew has lived in NY for 10 years. Matthew earns $17.25 per
hour. He worked 5.8 hours on Friday, 4.5 hours on Saturday, and 8
hours on Sunday. How much money did Matthew earn in all on Friday,
Saturday, and Sunday?
Answer:18.3
Step-by-step explanation: 18.3 because 5.8 + 4.5 =10.3 then add 8 its 18.3
Answer:
$315.68
Step-by-step explanation:
We would first add up all of the hours, so that would be 5.8+4.5+8 to get 18.3 hours. Since it is saying $17.25 per hour we would multiply 17.25 and 18.3 to get 315.675. But, because we are dealing with money, our answer would be rounded to the nearest hundredth. So, Mathew earned $315.68 on Friday, Saturday, and Sunday altogether.
PLS HELP ASAP 30 POINTS
Brady recorded the number and color of cars in the parking lot. 45% of the cars in the parking lot were white. If Brady counted a total of 81 white cars, how many cars did he count in the parking lot?
Answer:
180 cars
Step-by-step explanation:
Like you can see in the picture, I like to set up a proportion, so 81 over X and 45 over 100. Then, you can cross multiply, so 81 x 100 = 8100 and then divide, 8100 ÷ 45 = 180, your answer!
Help. Will give brainliest
Answer:
Distributive Property
Step-by-step explanation:
Answer:
distibutive property
Step-by-step explanation:
Please help just answer any that you can think of
Answer:
[tex] \frac{5}{100} \times \frac{30}{1} [/tex]