Help with this please! Math :)

Answer:

Step-by-step explanation:

Step by Step Solution. Calculate Greatest Common Factor for : 138, 345. Factorize of the above numbers : 138 = 2 • 3 • 23. 345 = 3 • 5 • 23. Build a prime factors table. ...

Why learn this.

Terms and topics. GCF calculator.

Related links. Greatest common factor (GCF) explained | Arithmetic (video) | Khan Academy. LCM on Purplemath.

Answer:

69 I believe.

Step-by-step explanation:

Answer:

Student B

Step-by-step explanation:

Soil percolation is the porosity of soil to the downward flow of water through it. A soil with high percolation allows water to drain through it downwards in a less period of time.

From the given experiment by students, it takes 25 min for water to percolate through the soil sample of student A, 10 min for the soil sample of student B and 40 min for the soil sample of student C. Thus, the student that had the soil sample with highest percolation rate is B.

Answer:

[tex]Ratio = 3: 2[/tex]

Step-by-step explanation:

Given

Shape: Cube

[tex]L = 8cm[/tex]

The surface area is calculated as:

[tex]Area = 6*L^2[/tex]

[tex]A_1 = 6*8^2[/tex]

[tex]A_1 = 384[/tex]

When it is cut by half; the length is affected; so, it forms a cuboid of the following dimension:

[tex]L = \frac{8}{2} = 4[/tex] --- Length

[tex]W = 8cm[/tex] --- Width

[tex]H = 8cm[/tex] --- Height

The surface area is:

[tex]Area = 2 *(L*W + H * L + W * H)[/tex]

[tex]A_2 = 2 *(4*8 + 8 *4 + 8 * 8)[/tex]

[tex]A_2 = 2 *128[/tex]

[tex]A_2 = 256[/tex]

So, the ratio of surface area is:

[tex]Ratio = A_1 : A_2[/tex]

[tex]Ratio = 384 : 256[/tex]

Divide by 128

[tex]Ratio = 384/128 : 256/128[/tex]

[tex]Ratio = 3: 2[/tex]

Answer:

2:1 or 16:8

Step-by-step explanation:

Answer:

2:1

Apple: orange

Step-by-step explanation:

Divide the number of apples by the number of oranges

Answer:

Nxnjsjdndkknnndnnnenndnnd

Answer:

85

Step-by-step explanation:

If you subtract 415 from 500 you get 85.

Therefore the gardening club needs 85$

If you could mark brailiest that would be great, I'm trying to rank up.

Hope I helped:)

HAve a great day:)

Answer:

25 [tex]in^{2}[/tex]

Step-by-step explanation: we can move the little triangle on the side to the missing part of the square and it says the length of the little triangle is 2 so we can do 2+3 since the height of the square with the missing side is 3. then we end up with the height being 5 and the base being 5. we know that A=bh so we can do A=5x5 and get 25 in squared

pls mark me branliest!!

Answer:

25ft2

Step-by-step explanation:

Answer:

You can be in the snow play ski park 5hours

Step-by-step explanation:

First 60$ - 35$=25$

1h=5$

2h=10$

3h=15$

4h=20$

5h=25$

So you can pay 35$ for the snow play ski park and then you can be there 5hours.So 35$ for the entry+25$ for the 5 hours=60$

PS:Can I be a brainliest pls. And have a nice day and sry for my english i m not so good but i wanted to help you.cya

Answer:

similar shape!!!!

Step-by-step explanation:

Answer:

Dialation

Step-by-step explanation:

Dilation is an increase in size, but does not change the shape

Answer:

D The Sum of 2 Numbers

Step-by-step explanation:

2+2=4 > 24 > 24 + 24

Answer:

The side length

Step-by-step explanation:

Answer:

0% chance

Step-by-step explanation:

Answer:

0/6

You can't roll a 7 on a 6 sided die.

Answer:

B: 6

Step-by-step explanation:

Find the mean:

5+8+4+7= 24

24/4=6

Answer:

7

Step-by-step explanation:

Everything including 1/2 and above rounds up to the next whole number.

3/8 < 4/8

7 and 3/8 rounds to 7

Answer:

-1<x<4

BLUE

Step-by-step explanation:

Answer:

The scale factor of the model is 160.

Step-by-step explanation:

18 inches : 240 feet tall is also equal to

18 inches : 2880 inches

2880/18 = 160

Answer: Try using calculatorsoup dot com Significant Figures auto Don't put m in the answer there's No Unit(s)

a = 12 m

b = 5 m

c = 13 m

P = 30 m

s = 15 m

K = 30 m2

ha = 5 m

hb = 12 m

hc = 4.6153846153846 m

Step-by-step explanation:

Answer:

I think 40 units

Step-by-step explanation:

hope you have a wonderful day

Answer: 3x+8

Step-by-step explanation:

Answer:

3x+8

Step-by-step explanation:

5-(x-3)=4x

5-x+3+4x

3x+8

Answer:

9.65606

Step-by-step explanation:

9514 1404 393

Answer:

  (c)  180 cm²

Step-by-step explanation:

Maybe you want the area of the trapezoid. That is given by the formula ...

  A = (1/2)(b1 +b2)h

where b1 and b2 are the base lengths, and h is the height.

Here, the top base is marked 16 cm, and the bottom base is shown as 4 cm longer, so is 20 cm.

  A = (1/2)(16 cm +20 cm)(10 cm) = 180 cm²

Answer:

all it says is the link

Step-by-step explanation:

Answer:

a) [tex]y(t) = 30 + 25t[/tex]

b) The pollution level at 4 o'clock in the afternoon​ is of 280 parts per million.

Step-by-step explanation:

The pollution level in the center of a city at 6 am is 30 parts per million and it grows in linear fashion by 25 parts per million every hour.

This means that the pollution in t hours after 6 am is given by:

[tex]y(t) = 30 + 25t[/tex], which is the answer to question a.

b. The pollution level at 4 o'clock in the afternoon​

4 in the afternoon is 10 hours after 6 am, so this is y(10).

[tex]y(10) = 30 + 25*10 = 30 + 250 = 280[/tex]

The pollution level at 4 o'clock in the afternoon​ is of 280 parts per million.

Since my name is in this question, I'll answer it :)

Answer:

Yes, she's right.

Step-by-step explanation:

2/8 is simplified to 1/4. Between 1 and 1/2, it is 1/4. So yes, I (Candice) was right. :)

Answer:

760 inches squared

Step-by-step explanation:

surface area -

4(14 x 10) + 2( 10 x 10) = 560+200=760

Answer:

y = 3/5x + -9

or y = 3/5x - 9

Step-by-step explanation:

Since you are already given the slope for this equation all you have to do is plug in the ordered pair in this equation: y = mx+b

Here is what this equation stands for:

y = the y in the order pair you are given, in this case it would be -6

m = This is the slope, sometimes you may not be given the slope so you would have to find it, but in this case, you are given it, the slope is 3/5

x = the x in the ordered pair you are given, in this case it would be 5

b = This is the y-intercept, you will mostly be solving for this most of the time

(5,-6)

(x, y)

y = mx+b (Use this Formula)

-6 = 3/5(5) +b (The numbers have been substituted within the formula)

-6 = 3+b (simplify the equation by multiplying the slope by the x)

-6-3 = b ( once simplified the left side of the equation, go to the right side, but remember when you do that you have to change the sign because you are eliminating 3 on the left side completely, "what you do on one side, do it to the other side")

-9 = b (solve)

y = 3/5x + -9 (plug in the slope and B(y-intercept) within the formula - y = mx+b, make sure that you are not plugging in x and y for this step)

I Hope This Helped You Understand this Problem Better/More!!! Stay Safe and Healthy!

Answer:

80in²

Step-by-step explanation:

Hey There!

So the first step of this problem is to find the width of the scale drawing

To do so we need to find the scale factor

To find the scale factor we divide the length of the room by the length of the scale factor

32/8=4

so the scale factor is 4

now to find the width

40/4=10

so the width of the scale drawing is 10 in

now we can find the area given the length and the width

10x8=80in²

so we can conclude that the area of the scale drawing is 80in²

Answer:

y = 2x - 5

Step-by-step explanation:

use the formula y - y1 = m (x - x1)