The cost of petrol rises by 2 cents a liter. last week a man bought 20 liters at the old price. This week he bought 10 liters at the new price. Altogether, the petrol costs $9.20. What was the old price for 1 liter? 34 POINTS I MARK BRAINLIEST!

Answers

Answer 1

Answer:

We suppose that a is the old price in cents

the total cost of 9.20 $ equals 920 cents

so we have 20 liters bought with the old price (a) and 10 liters with the new price (a + 2). This is translated into this equation where a is the old price therefore our quest to be answered

20 xa + 10 x (a + 2) = 920 (cents)

20 xa + 10 xa + 20 = 920

30 xa + 20 = 920

30 xa = 920 - 20

30 xa = 900

a = 900: 30

a = 30 (cents)

therefore the old price for 1 liter of petrol is 30 cents

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:


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factor the polynomial

n ^ 4 - 49n ^ 2 = 0

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Answer:

I have no clue on how to answer this bc I thiugh i knew how to answer

Find the modulus of 6 + 3i

Answers

Answer:

the modulus of 6 + 3i=√(6²+3²)=√45=3√5

Answer:

D - 6+3i ; 3 squareroot of 5

Step-by-step explanation:



True or false;
The x-intercept of a function ALWAYS occurs where y is equal to zero.
True
False

Answers

I think the answer is (true)
Have a great day!

The x-intercept of a function always occurs where y is equal to zero is true.

Given,

The x-intercept of a function always occurs where y is equal to zero.

We need to find whether the given statement is True or False.

What is x-intecept and y-interept?

The x-intercept is the point where the line passes through the x-axis.

We need to put y = 0.

The y-intercept is the point where the line passes through the y-axis.

We need to keep x = 0.

Check the statement.

The x-intercept of a function always occurs where y is equal to zero.

This is a true statement because in order to find the x-intercept we need always keep y = 0.

Thus the given statement-

The x-intercept of a function always occurs where y is equal to zero is true.

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https://brainly.com/question/14180189

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a motorcyclist sets out on a road trip traveling at a constant rate of 45 mph. one half hour after she leaves, her friend discovers that the motorcyclist forgot her duffel bag driving at a rate of 60 mph the friend sets out in the car to catch up with her

Answers

Answer:

1. 45

2. 60

Step-by-step explanation:

i did it and got it right

Answer:

the answer is 45 and 60

Step-by-step explanation:

HELP HELP HELP PLEAASE

Answers

Answer:

Step-by-step explanation

Kf i help u wojld u help me

Answer: your answer will be 72 divided by 8

Step-by-step explanation: because they wanna know how many pages she put stickers on in if you divide it will tell you how many pages she put stickers on witch is 9

The amounts below show the change (measured in feet) in water level over four months. What is the
average monthly change in water level?
-0.84, 1.25, -1.59, 0.42

Answers

Answer:

try your best then try it hard

Answer:

-0.19

Step-by-step explanation:

PLEASE ANSWER!!! Will give brainliest :)

Answers

8$

Hope this helps!!!
8 bucks I believe my g

A recipe for a cake calls for 3 cups of water. Elisa accidentally put in 6 cups. How many extra cups did she put in? What equation would depict this scenario?
c-3=6
c-6=3
c+3=6
c+6=3

Answers

The answer is c+3=6

Answer:

1.Elisa accidentally put in 3 extra cups of water

2.C+3=6

Solve the system below for x: (2 pts)
y = 6x + 4
y = 5x - 1
O X=-3
O X = -3/11
0 x = -5
x = -5/11

Answers

Answer:

x=-5

Step-by-step explanation:

6x+4=5x-1

x+4=-1

x=-5

X=-5
Step by step explanation
6x+4 =5x-1
X+4=-1
X=-5

What is the value 8-[12-(-4)]

Answers

Answer:

-8

Step-by-step explanation:

im smart

Answer: i searched it up on gogle it said -8 but i don't know so sorry

Step-by-step explanation:

I’m confused with this question.

Answers

Answer:

I'm pretty sure SSS since it's all sides that are equal to each other.

I need help with linear graphs and functions​

Answers

Ok what do you need help with?

Help you with what, you need to show the linear graphs and functions to help you with it.

why does -6 - (-2) equal -4?

Answers

Answer:

when you subtract a negative number the two negative signs cancel out and it turns to a positive number

Step-by-step explanation:

in -6 - (-2)

the two - signs cancel out so it ends up being

-6+2 which is why it equals -4

The two negative (-) signs cancel out.
In this case, when the signs cancel out, we get:
-6 + 2
And that’s how you get the answer -4

(Pretty much: -6 - (-2) is equal to -6 + 2. Both of which equal -4)

PLEASE HELP ME

7. What is the Range?


Answers

Answer:

the last one

Step-by-step explanation:

the range for is 5,10,15,20,25

A triangle on a coordinate plane is translated according to the rule T–8, 4(x, y). Which is another way to write this rule? (x, y) → (x + 4, y – 8) (x, y) → (x – 4, y – 8) (x, y) → (x – 8, y + 4) (x, y) → (x + 8, y – 4)

Answers

Answer:

C (x, y) - (x - 8, y + 4)

Answer:

C (x, y) - (x - 8, y + 4)

Step-by-step explanation:

Got it right on Edge

After a trip to the orchard, Regan and her aunt Cindy made applesauce with the apples they
picked. They used the same amount of cinnamon, but Regan used more apples than Aunt
Cindy. Whose applesauce tasted more like cinnamon?
Regan's applesauce tasted more like cinnamon,
Aunt Cindy's applesauce tasted more like cinnamon.
Neither. Both applesauces tasted the same.

Answers

Answer:

Aunt Cindy would taste more like cinnamon

giving brainiest


lily had 9 ice creams and she only had 3 friends.
they all wanted to have 2 ice creams what will lily do

Answers

Answer:

each friend gets three

Step-by-step explanation:

or they through it in the freezer

Answer:

she would give them the ice cream and all of them would have 3

Step-by-step explanation:

Hope it helps and I hope you have a wonderful rest of your day!!!! :)

Brainiest is appreciated it would really help

Tyrone is having an 80-foot tree removed from his front yard. One of the tree surgeons ties a rope to the top of the tree and stands 60 feet from the base of the tree while his partner saws through the tree. The rope will help them control the direction in which the tree falls. In the diagram below, side X represents the length of rope needed

Answers

Answer:

..........

Step-by-step explanation:

Answer:

jj

Step-by-step explanation:

16 pretzels weigh 16 ounces. fill in the rest of the table given this ratio.
there are 4 answers. do not round. pls help

Answers

Answer:

64  20  16   1       4

16   5     4  .25      1

Step-by-step explanation:

64 divided by 16 is 4. So you multiply 5 by 4 to get 20 pretzels and divide 1 by 4 to get .25 oz.

Quadrilateral ABCD is a rectangle. BD = 6x – 14 and AC = 8x - 20.

What is BD?


2

3

4

6

Answers

Answer 4

Step-by-step explanation:

Answer:

it is c.4

Step-by-step explanation:

Add the Polynomials


27.) 3y - 5 and 7y +8



28.) - 8xy - 4 and xy - 1



29.) 5a^3 -3a +7 and 7a^3 - 10a -8



30.) - 6x^3y + x^2 y^2 - 5xy and 8 x^3y - 10x^2 y^2 + 6



31.) x^2 -2x + 1 and x^4 + x^3 -x^2 + 5



32.) a^3b^2 - a^2b^3 and a^3b^2 - 5a^2b^3 + 7

Answers

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

The vegetable garden has 95 ripe plants. The number of tomatoes is 16 fewer than twice the number of squashes. How many of each vegetable are ripe?​

Answers

Answer:

Tomatoes = 39.5

Squash = 55.5

Step-by-step explanation:

T (tomatoes) = S - 16

S + T = 95

we plug it in now

S + (S - 16) = 95

2s = 95 + 16

2s = 111

s = 55.5??

hm. Let's go with it

T = 55.5 - 16

T = 39.5

39.5 + 55.5 = 95

I...guess?

Which conic section is represented by the following equation?

5x^2 – x + 5y^2 – 3y + 4 = 0

circle
ellipse
parabola
hyperbola

Answers

Answer:

3 rd one

Step-by-step explanation:

The conic section represented by the given equation is Circle.

What is Circle?

Circle is a two dimensional figure which consist of set of all the points which are at equal distance from a point which is fixed called the center of the circle.

Standard form of a circle is,

(x - h)² + (y - k)² = r²

where, (h, k) is the center of the circle and r is the radius of the circle.

Expanding, we get,

x² - 2hx + h² + y² - 2ky + k² = r²

x² - 2hx + y² - 2ky + (h² + k² - r²) = 0

The given equation is,

5x² – x + 5y² – 3y + 4 = 0

This is same as the standard form of the circle.

Hence the given equation is that of a circle.

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"Twelve minus the product of ten and a number is the same as two multiplied by the difference of twice that
number and one"

Answers

Answer:

answer:1) 2) 3) 4)

Step-by-step explanation:

Write the expressions "Four times the difference of a number and 7 is 32", "One third of a number is 12 less than the number itself", "Ten increased by the quotient of a number and 2 is -15", and "One less than the product of a number and 3 is 5 more than the number itself".

2

SEE ANSWERS

Answer

4

calculista

Genius

19K answers

423.1M people helped

Part 1) "Four times the difference of a number and  is "

Let

x--------> the number

we know that

the expressions is equal to

therefore

the answer part 1) is

Part 2) "One third of a number is  less than the number itself"

Let

x--------> the number

we know that

the expressions is equal to

therefore

the answer part 2) is

Part 3) "Ten increased by the quotient of a number and  is "

Let

x---------> the number

we know that

the expressions is equal to

therefore

the answer Part 3) is

Part 4) "One less than the product of a number and  is  more than the number itself"

Let

x---------> the number

we know that

the expressions is equal to

therefore

the answer Part 4) is

cliffffy4h and 4 more users found this answer helpful

THANKS

4

0.0

(0 votes)

Answer

3.0/5

4

tardymanchester

Ambitious

1K answers

4.6M people helped

Answer:

1)

2)

3)

4)

Step-by-step explanation:

Given : Expressions in words.

To find : The expressions value?

Solution :

Let x be the number,

According to question,

1) "Four times the difference of a number and 7 is 32"

2) "One third of a number is 12 less than the number itself"

3) "Ten increased by the quotient of a number and 2 is -15"

4) "One less than the product of a number and 3 is 5 more than the number itself"

Xavier is using square tiles to cover a table top. The tiles are 1 1/2in. On each side. The table top is 7 1/2 inches wide and 13 1/2 inches long. How many tiles dose Xavier need to use to cover the whole table?

Answers

Answer:

._________________________*___*___________________

Answer:

45 Tiles

Step-by-step explanation:

7 1/2 × 13 1/2 = 101 1/4

Area = 101 1/4

1 1/12 × 1 1/2 = 2 1/4

Tile Area = 2 1/4

101 1/4 ÷ 2 1/4 = 45

good luck, i hope this helps :)

What's the surface area???

Answers

Answer:

do you have to times it or add??

Evaluate the expression 5 (m - 2) + 10w when m = 8.4 and w= 1.25.

Answers

Based on the calculations, the evaluation of the given mathematical expression is 44.5.

Given the following data:

Expression = [tex]5 (m - 2) + 10w[/tex]m = 8.4.w = 1.25.

To evaluate the given mathematical expression:

How to evaluate a mathematical expression.

In this exercise, you're required to evaluate and solve the given mathematical expression by substituting the values of the variables as follows:

[tex]5 (8.4 - 2) + 10(1.25)\\\\5 (6.4 ) + 12.5\\\\32 + 12.5=44.5[/tex]

Read more on expressions here: brainly.com/question/13170908

Tickets to a show cost $5.50 for adults and $4.25 for students. A family is purchasing 2 adult tickets and 3 student tickets. Estimate the total cost.

Answers

Step-by-step explanation:

they paid 23.75 dollars. I hope it helps l!

Step-by-step explanation:

They paid 23.75 dollars. I really really hope this helps l!

Please help !! giving brainiest to whoever helps
Find the value of x.Then, find the measure of STW.

Answers

Answer:

<R+<S=<T(since exterior angle of triangle is equal to the sum of two opposite interior angle)

44+9x+3=14x+7

44+3-7=14x-9x

40=5x

x=40/5=8

.STW. ==14×8+7=119

Sudha earns ` 189 in a day and Radha earns ` 112 in a day. About how much will each of them earn in 30 days

Answers

Answer:

the sudha and radha earns 5,670 and 3,360 respectively

Step-by-step explanation:

Since in the question it is mentioned that

Sudha earns 189 in a day

And, radha earns 112 in a day

so in 30 days, sudha earns

= 189 × 30 days

= 5,670

And, radha earns

= 112 × 30 days

= 3,360

Therefore the sudha and radha earns 5,670 and 3,360 respectively

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