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3 years ago

Simplify 3/5 divided by (4/9) (5 points)

Mathematics

1 answer:

liraira [26]3 years ago

7 0

It would be 27/20 or, simplified, 1 and 7/20

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How do you do 32y + 12y

mestny [16]

Hi there!

Answer:

=44y

*The answer must have a positive sign.*

Step-by-step explanation:

<h2>Lesson: Distributive Property</h2>

Distributive property: →→→→ $a(b+c)=ab+ac$

First, you add by the numbers from left to right.

$32+12=44$

Final answer is 44y.

I hope this helps you!

Have a nice day! :)

-Charlie

3 0

2 years ago

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The volume of a storage tank is 1695.6 m3. The radius is 6m. How tall is the storage tank?

Andreas93 [3]

Answer:

the storage tank is a cylinder.

The formule to calculate the volume is:

$v =\pi{r}^{2} \times h$

$h = v \div \pi {r}^{2}$

$h = 1695.6 \div 36 \times \pi = 14.992$

7 0

2 years ago

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It's really hard for me to understand what they are asking.

Gekata [30.6K]

Answer:

B is the correct answer

Step-by-step explanation:

Angles 1, 2, and 3 added together should make 180 degrees.

So, if angle 2 is 70 degrees, you subtract 70 from 180 (180-70=110) and you're left with 110 degrees.

Angle 1 and 3 add together should make 110 degrees which makes B the only true statement.

3 0

2 years ago

Please help! will give brainliest for the best helper! or first to answer aka meaning first to help :)

AleksAgata [21]

Answer:

angle 2 = 37º

Step-by-step explanation:

When two lines intersect they make vertical angles, which are angles directly across from another. Vertical angles are always congruent.

4 0

3 years ago

Find a solution x = x(t) of the equation x′ + 2x = t2 + 4t + 7 in the form of a quadratic function of t, that is, of the form x(

Temka [501]

The particular quadratic solution to the ODE is found as follows:

$x=at^2+bt+c$
$x'=2at+b$

$(2at+b)+2(at^2+bt+c)=t^2+4t+7$
$2at^2+(2a+2b)t+(b+2c)=t^2+4t+7$

$\begin{cases}2a=1\\2(a+b)=4\\b+2c=7\end{cases}\implies a=\dfrac12,b=\dfrac32,c=\dfrac{11}4$

Note that there's also the fundamental solution to account for, which is obtained from the characteristic equation for the ODE:

$x'+2x=0\implies r+2=0\implies r=-2$

so that $x_c=Ce^{-2t}$ is a characteristic solution to the ODE, and the general solution would be

$x=Ce^{-2t}+\dfrac{t^2}2+\dfrac{3t}2+\dfrac{11}4$

4 0

3 years ago