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3 years ago

14

A number is equal to twice a smaller number plus 3. The same numsbser is equal to twice the sum of the smaller number and 1. How

many solutions are possible for th situation?

1 answer:

serious [3.7K]3 years ago

5 0

Answer:

9jcejjcjcudm didoid9djdkdeie9

e9ejie e9e9e

Step-by-step explanation:

neieinenienic9e

eieinceke

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Amanda can dig a 10ft by 10ft hole in seven hours. Ming can dig the same hole in 10 hours. How long to dig the hole if they work

Klio2033 [76]

Answer:

The answer should be 4.12 hours

Step-by-step explanation:

Sorry if I am wrong.

5 0

3 years ago

7 years ago father was 7 times as old as his son was. three years hence, he will be three times as old as his son find their pre

EastWind [94]

Answer:

son = 10 , father = 40

Step-by-step explanation:

Let Five years ago the age of son be x years and age of father be 7x years

Present age of son =x+5

Present age of father =7x+5

5 years later their age will (x+10) and (7x+10)

∴7x+10=3(x+10)

7x−3x=20

4x=20

x=5

So, the present age of son=x+5=5+5=10years

and the present age of father=7x+5=35+5=40years

hope it helps you

8 0

2 years ago

Find all the missing measurement

Allushta [10]

H 32 and k is 50 this is right because I had this and passed.

6 0

2 years ago

What is the area of the square adjacent to the third side of the triangle?

Naddik [55]

Answer:

85 units^2 = Area of Blue Square

and

x = 5 units

Step-by-step explanation:

To do this we use the Pythagorean theorem (a^2 + b^2 = c^2). a and b represent the legs of the triangle whereas c represents the longest side of the triangle, or the hypotenuse.

Since we know the area of a square is the side length multiplied by itself (or the side length squared), $\sqrt{35}$ is the side length of the pink square and $\sqrt{50}$ is the side length of the green square.

That means a = $\sqrt{35}$ and b = $\sqrt{50}$ , so...

$(\sqrt{35} )^{2} + (\sqrt{50})^{2} = c^{2}$

35 + 50 = c^2

85 = c^2

$\sqrt{85} = c$

Now we need to square the square root of 85 to find the area of the blue square.

$(\sqrt{85})^{2} = Area of blue square$

85 units^2 = Area of Blue Square

To solve the other question we use the same formula again.

$x^2 + 12^2 = 13^2\\x^2 +144 = 169\\-144\\x^2 = 25\\x=\sqrt{25} \\x=5$

x = 5 units

3 0

3 years ago

A scale on a blue print drawing of a house shows that 66 centimeters represents 33 meters. What number of centimeters on the blu

aksik [14]

To find the ratio of centimeters to meters you need to divide 66 by 33 to get 2.
Then multiply 2727 by 2 to get 5454.

5 0

3 years ago