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Neporo4naja [7]
3 years ago
5

3 posters cost $9.60. At this rate how many posters can you buy with $48

Mathematics
1 answer:
Ksju [112]3 years ago
3 0
About 15 because 9 times 5 = 45 reminder 3 than you add 3 times 5 = 15
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How is shading a grid to show 1/10 different than 1/100
gayaneshka [121]
They are very different 1/10 is equivalent to 10% and also 0.1 but 1/100 is equivalent to 1% and 0.01
7 0
3 years ago
Translate A'B'C'D'E'F 6 units right and 2 units up what are coordinates of A'B'C'D'E'F​
Ierofanga [76]

Answer:

i need the points of these letters.

Step-by-step explanation:

but the answer is easy, to right would most likely move the x value to the right 6 times, for example lets say one of the points is (1,1) moving it to the right would make it (7,1) now its the same going up its adding 2 units which would make it (7,4)

4 0
3 years ago
Nine buses hold 85 people each. If 693 people buy tickets for a trip, how many seats won’t be taken?
Greeley [361]

Answer:

72

Step-by-step explanation:

you take 85 * 9

85 = # of seats

9 = # of buses

then you get 765

next, you take 765 - 693

765 = # of seats

693 = # people who bought tickets for a trip

finally you get 72

72 = # of empty seats

4 0
3 years ago
Solve the Differential equation (x^2 + y^2) dx + (x^2 - xy) dy = 0
natita [175]

Answer:

\frac{y}{x}-2ln(\frac{y}{x}+1)=lnx+C

Step-by-step explanation:

Given differential equation,

(x^2 + y^2) dx + (x^2 - xy) dy = 0

\implies \frac{dy}{dx}=-\frac{x^2 + y^2}{x^2 - xy}----(1)

Let y = vx

Differentiating with respect to x,

\frac{dy}{dx}=v+x\frac{dv}{dx}

From equation (1),

v+x\frac{dv}{dx}=-\frac{x^2 + (vx)^2}{x^2 - x(vx)}

v+x\frac{dv}{dx}=-\frac{x^2 + v^2x^2}{x^2 - vx^2}

v+x\frac{dv}{dx}=-\frac{1 + v^2}{1 - v}

v+x\frac{dv}{dx}=\frac{1 + v^2}{v-1}

x\frac{dv}{dx}=\frac{1 + v^2}{v-1}-v

x\frac{dv}{dx}=\frac{1 + v^2-v^2+v}{v-1}

x\frac{dv}{dx}=\frac{v+1}{v-1}

\frac{v-1}{v+1}dv=\frac{1}{x}dx

Integrating both sides,

\int{\frac{v-1}{v+1}}dv=\int{\frac{1}{x}}dx

\int{\frac{v-1+1-1}{v+1}}dv=lnx + C

\int{1-\frac{2}{v+1}}dv=lnx + C

v-2ln(v+1)=lnx+C

Now, y = vx ⇒ v = y/x

\implies \frac{y}{x}-2ln(\frac{y}{x}+1)=lnx+C

5 0
3 years ago
There are 90 chickens on the farm. If 60% of the animals on the farm are chickens, how many animals are on the farm?​
Assoli18 [71]

Answer: 150

Step-by-step explanation:

3 0
3 years ago
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