what does x= in each of the questions

The volume of concrete that was used to pour the sidewalk is 270 cubic meters and this can be determined by using the formula of volume.

Given :

A sidewalk is 15cm high, 30m wide, and 60m long.

The following steps can be used in order to determine the volume of concrete that was used to pour the sidewalk:

Step 1 - The formula of volume can be used in order to determine the volume of concrete that was used to pour the sidewalk.

Step 2 - The formula of volume is given below:

[tex]\rm V = L\times W \times H[/tex]

where L is the length, W is the width, and H is the height.

Step 3 - Now, substitute the values of the known terms in the above formula.

[tex]\rm V = 60\times 30 \times \dfrac{15}{100}[/tex]

Step 4 - Simplify the above expression.

V = 270 cubic meters

Therefore, the correct option is A).

For more information, refer to the link given below:

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Answer:

8

Step-by-step explanation:

The formula for area is length x width or length x height, height and width mean the same thing in some problems such as this one. To find the height, you need to divide the area by the width. 38 divided by 4 3/4 = 8.

Hope this helps! If it did, please give brainliest! It would help a lot! Thanks! :D

Answer:

kml

Step-by-step explanation:

got it right

Answer:

triangle KML or answer C is corrreeeccttt

Step-by-step explanation:

edgee

Answer:

110 women, see below for explanation. (hope this helps)

Step-by-step explanation:

3 to 5

3x + 5x = 176

8x = 176

x = 176/8

x = 22

3*22 = 66 men

5*22 = 110 women

Answer:

The length EF is 7 units.

Step-by-step explanation:

The length between the points E and F, using the plot below, is:

[tex]\bar{EF}=7\: u[/tex]

Therefore the length EF is 7 units.

I hope it helps you!

Answer:

The answer is death :/

LOL JK JK JK

The answer is 0

Brainiliest tho?

Answer:

Number of week they have same amount = 4 week

Step-by-step explanation:

Given:

Amount Joe have = $14

Joe's saving per week = $10

Amount Josh have = $26

Josh saving per week = $7

Find:

Number of week they have same amount

Assume;

Number of week they have same amount = a

So,

(14 + 10a) = (26 + 7a)

3a = 12

a = 4

So,

Number of week they have same amount = 4 week

Answer:

Ramon would need 27 bags

Step-by-step explanation:

This is because if you divide 6.75 by 0.25 you would get 27

Ramon needs 27 bags of 0.25 kg each for his 6.75 kg coffee.

To determine the number of 0.25 kg bags Ramon needs for his 6.75 kg coffee, we divide the total weight of the coffee by the weight of each bag.

Total weight of coffee = 6.75 kg

Weight of each bag = 0.25 kg

Number of bags = Total weight of coffee / Weight of each bag

Number of bags = 6.75 kg / 0.25 kg

Calculating this division, we find:

Number of bags = 27

Therefore, Ramon needs 27 bags of 0.25 kg each for his 6.75 kg coffee.

To know more about bags click here :

https://brainly.com/question/31760907

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Answer:

5 m

Step-by-step explanation:

A model car is made to a scale of 1:50 (model: real).

If the model has a length of 10 cm, calculate the length of the real car (answer in meters).

We have a scale of :

model: real = 1:50

The model has a length of 10cm

Hence:

1 cm = 50 cm

10 cm = x cm

Cross Multiply

x cm × 1cm = 10 cm × 50 cm

x cm = 10 cm × 50 cm/1cm

x cm = 500 cm

The length of the real car is 500cm

Converting the length of the real car to meters

100cm = 1 m

500 cm = x m

Cross Multiply

100cm × x m = 500 cm × 1 m

x m = 500 cm × 1 m/100 cm

x m = 5 m

The Length of the real car in meters is 5m

Answer:

17.5 seconds

Step-by-step explanation:

140 cm/35 sec (find unit rate)

4 cm/ 1 second

[tex]\frac{4}{1} = \frac{70}{x}[/tex] (divide 70 by 4)

70/4=17.5

[tex]\frac{4}{1} = \frac{70}{17.5}[/tex]

Answer:

First box, fourth box, sixth box

Step-by-step explanation:

Positive in division means either both numbers are positive or negative

Step-by-step explanation:

V=pi r^2h

V=3.14x3^2x7

=197.82

Answer:

V ≈ 198 m³

Step-by-step explanation:

The volume (V) of a cylinder is calculated as

V = πr²h ( r is the radius and h the height )

Here diameter = 6, then radius r = 3 and h = 7 , then

V = 3.14 × 3² × 7 = 3.14 × 63 ≈ 198 m³ ( to the nearest whole number )

Answer:

5

Step-by-step explanation:

Answer:

1.  42/x

2.  14 students

Step-by-step explanation:

1.  42 divided by x

    x=students on trip last year

2. 42 divided by 3

    42/3=14 students this year

Answer:

If using one pound of pumpkin the baker needs to use 4 pounds of flour mixture

Step-by-step explanation:

step 1: I am going to convert the measurements

into decimals

8/5=1.6

2/5=.4

step 2: I will use cross multiplication to find out how much pumpkin for one pound of flour

1.6=.4

 1=?

1*.4=.4/1.6=.25

step 3:  I will convert .25 into a fraction

.25=1/4

for every 1/4 pound pumpkin, I will use 1 pound of flour

which is why

If using one pound of pumpkin the baker needs to use 4 pounds of flour mixture

Answer:

$505.385

Step-by-step explanation:

Given that:

Worker's one month salary is 4380

The number of working days in the month is not given ; However the average number of working days in a month usually range from 22 to about 26 days

Lets assume the number of working days for the firm in question is 26 days

Daily salary will be calculated as :

Monthly salary / number of working days

4380 / 26

= 168.46153

3 days salary :

168.46153 * 3

= $505.385

Answer:

y = 1/2x + 1

Step-by-step explanation:

The slope is the change in y over the change in x. The line goes down one and two left, making the slope 1/2.

The line crosses the y axis at positive  1 and that is the y-intercept.

the formula for the area of a rectangle is (length × width) in this case  (length × width) = 42

if the length is 7... then what # times 7 = 42? The width has to 6.

to find the perimeter... (2 × length ) + (2 × width) = Perimeter

OR

length + length + width + width = perimeter

7 + 7 + 6 + 6 = ?

Th answer: 26 inches

Answer:

B os correct because its multiplied itself 5 times

Answer:

31.92%

Step-by-step explanation:

We are given;

Population mean; μ = $3.12

Sample mean; x¯ = $3.16

Sample size; n = 10

Standard deviation; σ = $0.27

Z-score formula is; z = (x¯ - μ)/(σ/√n)

z = (3.16 - 3.12)/(0.27/√10)

z = 0.04/(0.08538)

z ≈ 0.47

Now, the percent of other sample means, based on 10 gas stations, that would be greater than the one observed is;

P(x¯ > 3.12) = 1 - P(z < 0.47)

From z-table attached P(z < 0.47) = 0.68082

Thus;

P(z > 0.47) = 1 - 0.68082

P(z > 0.47) ≈ 0.3192

This expressed in percentage is 31.92%

Answer:

largest ∡ = 81°

Step-by-step explanation:

44 + 3x - 11 + 4x - 7 = 180

7x + 26 = 180

7x = 154

x = 22

4(22)-7 = 81

Answer:

Maybe if you give a better quality photo that isn't sideways! :D

Step-by-step explanation:

Answer:

81.6

Step-by-step explanation:

C = 3.14(2x13)

C = 3.14 x 26

C = 81.64

Rounded to the nearest tenth = 81.6 Inches

Answer:

b and e

Step-by-step explanation:

Answer:x=5 and x=-5

Step-by-step explanation:

Answer:

640 yard²

Step-by-step explanation:

From the question,

The surface are of a triangular prism is given as

A = bh+2ls+lb.................. Equation 1

Where A = Surface area of the triangular prism, b = base of of the triangular face, h = height of the triangular face, l = length of the triangular prism, s =  length of one of the other sides of the triangle

Given: l = 17 yards, b = 12 yards, h = 8 yards, s = 10 yards.

Substitute these values into equation 1

A = [(12×8)+(2×17×10)+(17×12)]

A = 96+340+204

A = 640 Yard²

Answer:

10

Step-by-step explanation:

sqrt (8^2+6^2) = 10

hope it helps

Answer:

phillip

Step-by-step explanation:

because phillip read 38 books and alicia read 1 book 58 time and the reason i picked phillip cause he read different books with more pages and alicia read the same book that probably had a little bit of pages

sorry if it is wrong