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2 years ago

I want to be challenged more, so could anyone give me some 4th grade math problems

Mathematics

2 answers:

nexus9112 [7]2 years ago

6 0

I'm in 7th grade u want those math problems???

Alex Ar [27]2 years ago

5 0

"I have a number of red and blue marbles at first.

After I lost 1 red marble, the ratio of red to blue marbles is 1:2.

After I lost again 2 blue marbles, the ratio of red to blue marbles is now 2:3.

What was the ratio of red to blue marbles at the start?"

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The area of a circle is less than 1 dm². Find the radius of the circle. The area of a circle is less than 1 dm². Find the rad

Ipatiy [6.2K]

$\bf \textit{area of a circle}\\\\
A=\pi r^2\qquad 
\begin{cases}
\textit{let's say the Area is 1 exactly}\\
A=1
\end{cases}\implies 1=\pi r^2
\\\\\\
\cfrac{1}{\sqrt{\pi }}=r$

if you drop the radius to less than that, then the Area will also drop to less than 1 unit, in this case it happens to be a decimeter

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3 years ago

To convert temperatures from degrees Celsius to degrees Fahrenheit, you can use the function F(x)=95x+32 where x is the temperat

iogann1982 [59]

9514 1404 393

Answer:

F(x) = (9/5)x -459.67

Step-by-step explanation:

F(C(x)) = 9/5(x -273.15) +32

F(C(x)) = (9/5)x -459.67 . . . . . simplify

5 0

2 years ago

If x = 10, y = 5, and z = 11, what is the tangent ratio for g°?

loris [4]

Please, find attached the image with the complete question

Answer:

$\large\boxed{\large\boxed{tan(g\º )=2}}$

Explanation:

The triangle ACB is a right triangle with these features:

x represents the opposite side to the angle g

y represents the adjacent side to the angle g

The <em>tangent ratio </em>on an angle in a right triangle is equal to the length of the leg opposite to the angle divided by the length of the leg adjacent to the angle.

Hence:

$tangent(g\º )=x/y=10/5=2\leftarrow answer$

8 0

2 years ago

Read 2 more answers

2x – 3y = 18<br> Solve for y.

Nataly [62]

Answer:

y= -6+2/3x

Step-by-step explanation:

2x-3y=18

Minus the 2x from both sides

-3y=18-2x

Then divide both sides by -1

-3y÷-1=18÷-1 -2x÷-1

Lastly divide both sides by 3

3y÷3= -18÷3+2x÷3

7 0

3 years ago

9(-6+4h). Help me please

sertanlavr [38]

Answer:

-54+36h

Step-by-step explanation:

4 0

3 years ago

I want to be challenged more, so could anyone give me some 4th grade math problems​

I want to be challenged more, so could anyone give me some 4th grade math problems