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3 years ago

I’m really stuck on this problems can someone help me plz...

Mathematics

1 answer:

Vaselesa [24]3 years ago

8 0

Well f(x)=1.5+25 is f=25 over x and g(x)=25 is g=25 over x you need to find the formula to combined them.

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. When a dry sponge absorbs water, which changes most (circle one)?

OverLord2011 [107]

I would say option A because as there’s more liquid that’s inside the sponge now, it weighs more than it has before. The sponges volume does increase , but not as much

8 0

3 years ago

The ratio of boys to girls in a group is 7:3. If there are 40 more boys than girls, work out how many people there are in total.

LenaWriter [7]

Answer:

Step-by-step explanation:

7 - 3 = 4

7 + 3 = 10

4/10 = 40

10/10 = ?

10/10 x 40 x 10/4

= 100 people

7 0

3 years ago

A farmer has a rectangular field that measures 100 feet by 150 feet. He plans to increase the area of the field by 20%. He will

aliya0001 [1]

Answer:

(100 + x) x (150 + x) = 18,000 ft^2

Step-by-step explanation:

area of a rectangle = length x width

Area of the original field = 15,000

Area after 20% increase = 1.2 x 15,000 = 18,000

Increase i length = 100 + x

increase i width = 150 + x

Area = (100 + x) x (150 + x) = 18,000 ft^2

7 0

3 years ago

Read 2 more answers

Adam exchanged British pounds for Swiss franc He changed £400 into 592 francs What was the exchange rate of British pounds to Sw

OLEGan [10]

Answer: 1 : 1.48

Step-by-step explanation:

Adam was able to change £400 into 592 francs which means that the British pound is stronger because it was able to buy more Swiss francs.

The exchange rate can be gotten using direct proportion:

400 : 592

1 : x

Cross multiply:

400x = 592

x = 592/400

x = 1.48

Exchange rate is:

= 1 : 1.48

5 0

3 years ago

The points (2,-5) and (5,r) lie on a line with slope 2. Find the missing coordinate r.

Andrew [12]

Answer: r = 1

Step-by-step explanation:

The slope of a line can be represented as $\frac{y_2-y_1}{x_2-x_1}$ . Plugging in the following values would provide you with:

$\frac{(r)-(-5)}{(5)-(2)} =2$

$\frac{r + 5}{3} = 2$

$r + 5 = 6$

$r = 1$

Hope it helps :) and let me know if you want me to elaborate on anything.

7 0

2 years ago