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3 years ago

Factorise 8x^2+20XY-12y

Mathematics

1 answer:

Julli [10]3 years ago

4 0

Answer:

4(2x^2+5xy-3y)

Step-by-step explanation:

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A commuter train travels 65 kilometers in 27 minutes. What is it’s speed in kilometers per hour?

Inessa05 [86]

Answer:

Per hour: 2.40740740741

Step-by-step explanation:

you have to divided 65 and 27 so

65/27

which is 2.40740740741

7 0

3 years ago

Charlotte is visiting Brazil and is looking at souvenirs to purchase. She finds a jersey that costs 137 Brazilian real. If the c

aleksandrvk [35]

The cost of the jersey with a price of 89 Brazilian real in U.S. dollars is $25.230.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Independent variables represent function inputs that do not depend on other values, while dependent variables represent function outputs that depends on other values.

1 dollar = 5.43 Brazilians real

137 Brazilian real = 137/5.43

= $25.230

Hence, The cost of the jersey is $25.230

Learn more about equation here:

brainly.com/question/2972832

#SPJ2

5 0

2 years ago

Read 2 more answers

Which expression is equivalent to 4(x-3) ?

Lunna [17]

Answer:

To find the answer you just have to solve 4(x-3)

Step-by-step explanation:

4(x-3)=4x-12

So B or 4x-12 is correct.

5 0

3 years ago

Graph y=sin^-1 (1/4 x) on the interval -5≤x≤5.

GaryK [48]

Answer:

Step-by-step explanation:

The arcsine ( $\sin^{-1}$ ) function of x is defined as the inverse sine function of x when -1≤x≤1.

So, when

$-4\le x\le 4,$

we have that

$-1\le \dfrac{1}{4}x\le 1.$

This gives us the domain $-4\le x\le 4$ of the function $y=\sin^{-1}\left(\dfrac{1}{4}x\right).$

The range of the function $y=\sin^{-1}x$ is $-\dfrac{\pi }{2}\le x\le \dfrac{\pi }{2},$ so the range of the function $y=\sin^{-1}\left(\dfrac{1}{4}x\right)$ is the same (options A and C are false).