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3 years ago

Please help me with this problem

Mathematics

1 answer:

choli [55]3 years ago

3 0

You multiply all the numbers together

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A cup of cereal has 12 grams of fiber, which is 40% of the recommended daily amount.

Papessa [141]

The recommended daily amount of fiber is 30 grams.

Step-by-step explanation:

Quantity of fiber in one cup = 12 grams

It is 40% of our daily recommended amount.

Let,

x be the quantity of fiber recommended daily.

40% of x = 12

$\frac{40}{100}*x=12\\$

$0.4x=12$

Dividing both sides by 0.4

$\frac{0.4x}{0.4}=\frac{12}{0.4}\\x=30$

The recommended daily amount of fiber is 30 grams.

Keywords: percentage, division

Learn more about percentages at:

#LearnwithBrainly

4 0

3 years ago

What is (-100)a×56 and thanks

Stella [2.4K]

Hey there!
First, we will multiply -100 by a.
-100 x a = -100a
Now we have:
-100a x 56
Let’s multiple this as well.
-100a x 56 = -5600a
Your answer is -5600a.
Hope this helps!

4 0

3 years ago

Plsss answer need help fasttttttttttt

alexgriva [62]

10 1/2 or 10.5

Step by step explanation

8+1/2+2+4
Add the whole fractional parts Separately

(8-2+4)+1/2
calculate

10+1/2
Write as a mixed number

7 0

3 years ago

Find the volume of the solid bounded by z = 2 - x2 - y2 and z = 1. Express your answer as a decimal rounded to the hundredths pl

butalik [34]

Answer:

The answer is " $(\frac{\pi}{2})$ ".

Step-by-step explanation:

$z = 2 - x^2 - y^2.........(1) \\\\z = 1.............(2)$

Let add equation 1 and 2:

Using formula: $x^2+y^2=1 \\\\$

convert to polar coordinates

$r=2$

$\theta \varepsilon (0=\pi)=z\\\\V=\int^{2\pi}_{\theta=0}\int^{1}_{\pi=0}\int^{z_{2}}_{z_1} r \ dr \d \theta\\\\$

$=\int^{2\pi}_{0}\int^{1}_{0} (Z_2-z_1)r \ dr \d \theta\\\\=\int^{2\pi}_{0}\int^{1}_{0} 1- (-1-x^2-y^2) r \ dr \d \theta\\\\=\int^{2\pi}_{0}\int^{1}_{0} (+1 \pm r^2) r \ dr \d \theta\\\\=\int^{2\pi}_{0}\int^{1}_{0} (-r^3 + r) \ dr \d \theta\\\\=\int^{2\pi}_{0} (-\frac{r^4}{4}+\frac{r^2}{1})^{1}_{0} \d \theta\\\\=\int^{2\pi}_{0} (\frac{1}{4}) \d \theta\\\\=(\frac{2 \pi}{4}) \\\\=(\frac{\pi}{2}) \\\\$

8 0

3 years ago

Need Help!...anyone!

faust18 [17]

(a)

$\sqrt[5]{ {x}^{3} }$

(b)

$\sqrt[8]{x}$

(c)

$\sqrt[3]{ {x}^{5} }$

(d)

$\sqrt{ {x}^{3} }$

4 0

3 years ago