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Sever21 [200]
3 years ago
10

What is 90x25?? Subject: mathematics

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
6 0

Answer:

2250

Step-by-step explanation:

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ASAP Can someone help me with this please. I filled most of the angles. I just need help finding x
valentinak56 [21]

Answer:

20

Step-by-step explanation:

Cause im smart and you should trust me. duh

3 0
3 years ago
Read 2 more answers
Show all four symbols of multiplication using the variables a/b
OlgaM077 [116]

Answer:

Multiplication Symbols:

<u>1.</u><u> Times</u> ×

<u>2.</u><u> Dot</u>  ⋅

<u>3.</u><u> Parentheses</u> ()

<u>4.</u><u> Variables next to each other</u> <em>ab</em>

Step-by-step explanation:

The symbols can be used like this...

Times: <em>a</em> × <em>b</em> = <em>c</em>

Dot: <em>a</em> ⋅ <em>b</em> = <em>c</em>

Parentheses:<em> </em>(<em>a</em>)(<em>b</em>) = <em>c</em>

Variables next to each other: <em>ab </em>= <em>c</em>

5 0
3 years ago
A circle with a radius equal to 12 feet.
inn [45]

Answer:

What do you mean a radius equal to 12 feet? What is your question?

Step-by-step explanation:

8 0
2 years ago
a recipe uses 2 cups of milk per (1) serving. How many servings can be made by using 1 gallon of milk?
Scorpion4ik [409]

Answer:

8

Step-by-step explanation:

16 cups per gallon divided by 2 equalls 8

3 0
3 years ago
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5. Find the general solution to y'''-y''+4y'-4y = 0
CaHeK987 [17]

For any equation,

a_ny^(n)+\dots+a_1y'+a_0y=0

assume solution of a form, e^{yt}

Which leads to,

(e^{yt})'''-(e^{yt})''+4(e^{yt})'-4e^{yt}=0

Simplify to,

e^{yt}(y^3-y^2+4y-4)=0

Then find solutions,

\underline{y_1=1}, \underline{y_2=2i}, \underline{y_3=-2i}

For non repeated real root y, we have a form of,

y_1=c_1e^t

Following up,

For two non repeated complex roots y_2\neq y_3 where,

y_2=a+bi

and,

y_3=a-bi

the general solution has a form of,

y=e^{at}(c_2\cos(bt)+c_3\sin(bt))

Or in this case,

y=e^0(c_2\cos(2t)+c_3\sin(2t))

Now we just refine and get,

\boxed{y=c_1e^t+c_2\cos(2t)+c_3\sin(2t)}

Hope this helps.

r3t40

5 0
3 years ago
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