Maria bought G gallons of gasoline for $2.75 per gallon and see cans of oil for $3.15 per can a what expression can be used to determine the total amount Maria spent on gasoline be if she bought 7.4 gallons of gasoline and eight cans of oil how much do you spend in all

Answer:

Step-by-step explanation:

In order for Forest to decide how many cans of paint to buy he first needs to know how many square feet make up the wall that he wants to paint. He can calculate this by multiplying the length of the wall by the height of the wall. That will give him the square footage of the wall which can be represented as x in the following formula. Now that he has that, he needs to divide this value by 150 which is what each can of paint covers. The answer will be the number of cans that Forest should buy.

x / 150 = number of cans

The numbers of cans of paint he should buy can be calculated as follows :

x / 150.

where

x = Area of the wall needed to be painted in square feet.

Forest needs to paint the right side of his house because of sunlight and

rain.

According to his analysis each can of paint will cover an area of 150 ft².

This simply means for every 150 square feet of his wall, he will require 1

can of paint.

The number of paint he should buy can be determined as follows:

let

x = area of the right side of his wall needed to be painted

The number of can required = x / 150

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Consider the first blank is the green box.

Given:

The equations are

[tex]3x+2y=9[/tex]

[tex]-x-2y=4[/tex]

To find:

The value belongs in the green box

Solution:

We have,

[tex]3x+2y=9[/tex]        ...(i)

[tex]-x-2y=4[/tex]        ...(ii)

Adding (i) and (ii), we get

[tex]3x+2y-x-2y=9+4[/tex]

[tex](3x-x)+(2y-2y)=13[/tex]

[tex]2x+0=13[/tex]

So, the value for the first black is 2x. It means the value belongs in the green box is 2x.

The values of three blanks are 2x, 0 and 13 respectively.

Therefore, the correct option is B.

Answer:

2x + 0 = 13

Step-by-step explanation:

To add the equations, we add the corresponding terms on both sides of the equal sign.

The given equations:

3x + 2y = 9

-x - 2y = 4

Adding the equations term by term:

(3x + (-x)) + (2y + (-2y)) = 9 + 4

Simplifying the equation:

2x + 0 = 13

The term "0" in the equation indicates that the terms (2y and -2y) cancel each other out when added.

Answer:

63

Step-by-step explanation:

Group B is farther from camp.

Group B is farther from camp in comparative to other Group A.

Direction sense ability is  to find one's way around easily in a new place a good/poor sense of direction.

Here, Distance travel together = 4 miles.

         After changing their direction distance covered by them = 1.4 miles.

       Group A turns 48⁰ towards north

    So, total distance covered by group A = 1.4 + 4 X sin 48⁰

                                                                    = 1.4 + 4 X 0.7341

                                                                    = 4.34 miles.

     Group B turns 32⁰ towards south.

Similarly, distance covered by group B = 1.4 + 4 X cos 32⁰

                                                                = 1.4 + 4 X 0.8480

                                                                = 4.79 miles.

Thus, Group B is farther from camp in comparative to other Group A.

Learn more about Direction sense from:

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Answer:

Step-by-step explanation:

1 in = 2.54 cm

Part (a)

Answer: 8.268 in

Part (b)

Answer: 11.693 in

Part (c)

In SI units standard-sized paper is 21.0 cm by  29.7 cm, which is equivalent to 8.268 in by 11.693 in.

Answer: 8.268 in by 11.693 in.

Part (d)

The U.S sized standard paper is 8.0 in by  11.0 in. Therefore the SI (internationally) sized paper is longer.

Part (e)

If the U.S> adopts the SI standard for letter-sized paper, both the width and length of standard paper will have to be increased. Therefore letter-sized paper will occupy a larger area and will be heavier if the thickness and density do not change.

Answer:

-40

Step-by-step explanation:

f(10)=-4(10)

f(10)=-40

Answer:

150

Step-by-step explanation:

Answer:

I hope this helps.

Step-by-step explanation:

Answer: 2/15

Step-by-step explanation:

firstly divide lcm by denominator 1 = 15/5 = 3

then multiply by 3 nominator = 4*3 = 12

then divide lcm by denominator 2 = 15/3= 5

Multiply by 5 nominator = 5*2 = 10

lastly 12-10/15 ( both answer upon lcm)

2/15

Answer:

y = $45 + x

y = $5 + 3x

Step-by-step explanation:

The computation of the multi-step equations be shown below:

Let us assume the number of visits be x

So the first equation would be

y = $45 + x

And, the second equation would be

y = $5 + 3x

These are the multi-step equations with variable on the both sides

Answer:

sin23=x/12

sin23(12)=x

0.391(12)=x

x=4.7 or 5

Answer:

yes it is right but you might want to make it neater

Step-by-step explanation:

:)

Answer:

yellow is 16% and purple is 20%

Step-by-step explanation:

Answer:

277.778 m/s

Step-by-step explanation:

just divide by 3.6

Answer:

The value of x is 7 cm.

Step-by-step explanation:

we can see that there are two triangles. smaller triangle and larger triangle.

Answer:

peeeeeepppppssssss

Step-by-step explanation:

wussup

Answer: someone told me its 35 so...

Step-by-step explanation:

Answer:

Step-by-step explanation: Since there are 7 people who shake hands with everybody including the people who know each other, we can add 11+10+9+8+7+6+5, because each handshake counts once, but the other five can't be counted because they are the people who already know each other and if you add 11+10+9+8+7+6+5, you will also get 16*3 +8 which equals to 56.

Answer:

-3y^4+7y^3-11y^2+9y-2

Answer:

I just took this I'm bouts to go on break.... will have the answer

Answer:

C. 4,900 = m times 5,000

Step-by-step explanation:

Total books = 5,000

Fiction = 4,900

Calculations:

[tex]5,000. \frac{x}{100} =4,900[/tex]

[tex]\frac{x}{100} = \frac{4,900}{5,000}[/tex]

[tex]\frac{x}{100} =0.98[/tex]

[tex]x=98[/tex]

Now that we know x we can come up with the equation and can determine which one is correct. x = m = 98%

Therefore, 4,900 is 98% of 5,000.

So 5,000 x 98% = 4,900

And the equation that matches that is C.

Answer:

28 i believe

Step-by-step explanation:

Answer:

3 is equvalent...........

The expressions which are equivalent are; 1/3 - 2/1 and -1 2/3

According to the question;

The equivalent expressions are; 1/3 - 2/1 and -1 2/3.

Upon evaluation; 1/3 - 2/1;

Read more on equivalent expressions;

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Answer:

-8<8

1,3>-1,2

-5<0

0<4

0>-0,1

3<5

3,2>3,12

zero es mas grande que los numeros negativos

Answer:

[tex]167\ \text{minutes}\text{ or }166\ \text{minutes}\ \text{and}\ \text{40}\ \text{seconds}[/tex]

Step-by-step explanation:

Distance between the two trains is 125 miles.

So, when they will collide they would have covered a distance of 125 miles together.

The time that will pass for both the trains will be same but the distances covered will be different as their speeds are different.

[tex]\text{Distance}=\text{Speed}\times \text{Time}[/tex]

[tex]25t+20t=125\\\Rightarrow t=\dfrac{125}{45}\\\Rightarrow t=\dfrac{25}{9}\ \text{hours}=\dfrac{25}{9}\times 60\times 60=10000\ \text{s}=166.67\ \text{minutes}\\\approx 167\ \text{minutes}\\=166\ \text{minutes}\ \text{and}\ \text{40}\ \text{seconds}[/tex]

[tex]167\ \text{minutes}\text{ or }166\ \text{minutes}\ \text{and}\ \text{40}\ \text{seconds}[/tex]

2÷100=0.02

1500×0.02=30

30×3=90

Answer:

£90

Step-by-step explanation:

Simple interest (I ) is calculated as

I = [tex]\frac{PRT}{100}[/tex] ( P is principal, R is rate of interest and T time in years )

Here P = 1500, R = 2 and T = 3 , then

I = [tex]\frac{1500(2)(3)}{100}[/tex] = 15 × 2 × 3 = 30 × 3 = £90

Answer:

3. <0, <BOA, <ABO

45

4. <E, <NED,<DEN

80

here you guess and judge by your basic knowledge of angles and guess the angle measurement. and as far as the angle names with three points there should be three names and so the angle you are measuring must always be in the middle and ya :))

Answer:

80

Step-by-step explanation:

360 - (110+80+90) = 80

Answer:

80°

Step-by-step explanation:

360-110-90-80

Angles outside a circle add up to 360°

Answer:

[tex]f(n) = 3T_{n-1}[/tex]; [tex]T_1 = 12[/tex]

Step-by-step explanation:

Given

[tex]f(x) = 4*3^x[/tex]

Required

Write as a recursive function

Substitute 1 for x.

[tex]f(1) = 4*3^1 = 4 * 3 = 12[/tex]

[tex]f(2) = 4*3^2 = 4 * 9 = 36 = 12 * 3[/tex]

[tex]f(3) = 4*3^3 = 4 * 27 = 108 = 36 * 3[/tex]

Following the above pattern:

[tex]f(n) = T_{n-1} * 3[/tex]

[tex]f(n) = 3T_{n-1}[/tex]

Hence, the recursive function is:

[tex]f(n) = 3T_{n-1}[/tex]; [tex]T_1 = 12[/tex]