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4 years ago

6

Write and solve a real-world problem involving the multiplication of a fraction and a whole number whose productis between 10 an

d 15.

1 answer:

Andreyy894 years ago

4 0

You have to make a problem that could happen in the real world that multiplication of a fracton using product between 10 and 15

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Priya can bike 150 meters in 20 seconds at this rate , how long would it take her to bike in 3,000 meters???????? Does anyone kn

ExtremeBDS [4]

Answer:

400 seconds

Step-by-step explanation:

150/20=7.5 meters per second

3000/7.5=400 seconds

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4 years ago

Using the formula , find four ordered pairs <br> F=1.8c+32

Crank

(5,41)
(-5,23)
(-10,14)
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3 years ago

Slope for (-5,5) (5,-5)

kap26 [50]

Answer:

Slope(m)=-1

Step-by-step explanation:

7 0

3 years ago

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What is the explicit formula for the sequence below?<br><br> 4, -12, 36, -108 ...

liubo4ka [24]

Answer:x ×-3

Step-by-step 4×-3= -12

-12 × -3= 36

and so on

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3 years ago

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Write the partial fraction decomposition fro the ration expression below

zlopas [31]

$\dfrac{5x-2}{(x-1)^2}=\dfrac a{x-1}+\dfrac b{(x-1)^2}$
$5x-2=a(x-1)+b$

Since $5x-2=5x-5+3=5(x-1)+3$ , it follows that $a=5$ and $b=3$ , so

$\dfrac{5x-2}{(x-1)^2}=\dfrac5{x-1}+\dfrac3{(x-1)^2}$

$\dfrac{x^3+x^2+x+2}{x^4+x^2}=\dfrac{x^3+x+x+2}{x^2(x^2+1)}=\dfrac ax+\dfrac b{x^2}+\dfrac{cx+d}{x^2+1}$
$x^3+x^2+x+2=ax(x^2+1)+b(x^2+1)+(cx+d)x^2$
$x^3+x^2+x+2=(a+c)x^3+(b+d)x^2+ax+b$

When $x=0$ , you find that $b=2$ . It's also clear that $a=1$ . So the remaining constants must be $1+c=1\implies c=0$ and $2+d=1\implies d=-1$ , and so you get

$\dfrac{x^3+x^2+x+2}{x^4+x^2}=\dfrac1x+\dfrac2{x^2}-\dfrac1{x^2+1}$

6 0

3 years ago