MATHEMATICS HIGH SCHOOL

Haley's car gets at least 18 miles per gallon. If she plans a trip that is 200 miles, what is the minimum number of gallons she'll need?

Answers

Answer 1
Answer:

Answer:

11.11 gallons

Step-by-step explanation:

In each gallon fuel Haley's car gets at least = 18 miles

She plans a trip that is 200 miles.

She will need fuel for 200 miles = (200)/(18)

                                                     = 11.11 gallons

Haley will need minimum number of 11.11 gallons for her trip.
Answer 2
Answer: 200 divided by 18 = 11.1
This means that the minimum number of gallons that she will need is 11.1.

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Determine the domain of the function.

If you multiply a negative number with a positive, what will the number be?

Answers

Answer: Negative

Step-by-step explanation:

Look at it this way

+ - +

- + -

+ - +

No matter what way you do it, if you make a "tic-tac-toe" line in any direction, it'll make the answer

Answer:

it will be negative

Step-by-step explanation:

like if i multiplied -6 by positive 5 the answer is negative 30

Solve for h in the mathematical formula V=pi r^(2)h

Answers

Answer:

(V)/(\pi r^(2) ) = h

Step-by-step explanation:

Lets try and get everything we can away from h.

V = \pir^(2) h

Divide \pir^(2) from both sides of the equation.

Now we end up with:

(V)/(\pi r^(2) ) = h

5/12+2/9+1/6 adding fractions

Answers

5/12 = 15/36
2/9 = 8/36
1/6 = 6/36
15 + 8 + 6 = 29/36
Happy to Help!
Find the lcd which is 36
15/36+8/36+6/36
=29/36

2 + (x + y) = (2 + x) + y is an example of which algebraic property?Distributive Property

Associative Property of Addition

Commutative Property of Addition

Symmetric Property

Answers

That would be the associative property of addition.

A customer buys five cans of baked beans, four pocket of brown sugar and two pockets from the supermarket. He gives the cashier 150 and gets 26 in change, a can of baked beans costs half as much as pocket of biscuits whilst a packet of sugar is three rand cheaper than a packet of biscuits.1. how much did all items cost
2. calculate the cost of a can of baked beans, sugar, and biscuits
3. How much will eight cans of baked beans, one packet of sugar and six pockets of biscuits cost?

Answers

The question has 3 unknowns thus we need three equations to fully solve the problem.
We let x = the price of a can of baked beans, y = the price of a packet of sugar and z = the price of a packet of biscuit
From the given, we generate the following equations;
 <1> 5x+4y+2z = Amount spent = 150-26 = 124
 <2> z = 2x
 <3> y = z -3
We use equation 2 and 3 to substitute to equation 1 in order to obtain the value of x.
5x + 4 (2x - 3) + 2(2x) = 124
5x + 8x - 12 + 4x = 124
17x = 136
x = 8 (price of a can of baked beans)
y= (2 x 8) - 3 = 13 (price of a packet of sugar)
z= 2 x 8 = 16 (price of a pocket of biscuit)

For the new set of conditions,
8x + y + 6z = (8 x 8) + 13 +(6 x 16) = 173 (Cost for the new set of conditions)
let's make b the can of baked beans.

Then biscuits are twice its prize, 2b.

s, the packet of sugar is 2b-3 - thre rand cheaper than a packet of biscuits.

1) the custommer bought:
buys five cans of baked beans, four pocket of brown sugar and two pockets


5b+4* (2b-3)+2*2b

now we calculate:

5b+4* (2b-3)+2*2b=5b+8b-12+4b=13b-12+4b=17b-12

this is equal to 150-26=124

so 17b-12=124
17b=136
b=8
So the beans cost 8, biscuits cost 8*2=16, and sugar 16-3=13
2) this would be:
8+13+16=21+16=37
3)This would be:

8*8+13+6*16=64+13+96=173
 

why did the united states push for control of the oregon country? increased american settlement in the pacific northwest increased threat of british attacks on the louisiana territory discovery of gold in the rocky mountains need for more territory north of the missouri compromise

Answers

The United States pushed for control of Oregon county to increase American settlement in the Pacific Northwest. 
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