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natulia [17]
3 years ago
13

If the cost of 1 kg of oranges is Rs.75.5, find the cost of 6.5 kg oranges.

Mathematics
1 answer:
pshichka [43]3 years ago
3 0
Think of it this way 75.5 is the cost of 1kg so for 6.5 kg you just multiply it with the cost per kg, therefore gettinf 75.5x6.5 = Rs 490.75
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Which expression is equivalent to the given expression?
USPshnik [31]

Answer:

A.

Step-by-step explanation:

The a^3 would cancel out, currently leaving just b^5 on the top and ab on the bottom. The b would also cancel out, finally leaving just b^4/a. Therefore A is the answer equivalent to the original expression.

3 0
2 years ago
To solve the equation 5sin(2x)=3cosx, you should rewrite it as___.​
galina1969 [7]

Answer:

A

Step-by-step explanation:

We want to solve the equation:

5\sin(2x)=3\cos(x)

To do so, we can rewrite the equation.

Recall the double-angle for sine:

\sin(2x)=2\sin(x)\cos(x)

By substitution:

5\left(2\sin(x)\cos(x)\right)=3\cos(x)

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10\sin(x)\cos(x)=3\cos(x)

We can subtract 3cos(x) from both sides:

10\sin(x)\cos(x)-3\cos(x)=0

And factor:

\cos(x)\left(10\sin(x)-3\right)=0

Hence, our answer is A.

*It is important to note that we should not divide both sides by cos(x) to acquire 10sin(x) = 3. This is because we need to find the values of x, and one or more may result in cos(x) = 0, and we cannot divide by 0. Hence, we should subtract and then factor.

5 0
3 years ago
Read 2 more answers
I NEED HELP ASAP PLS WILL MARK BRINLIEST!!!
d1i1m1o1n [39]

Step-by-step explanation:

wait, I will look my lecture last year

5 0
3 years ago
Can someone help me with this question?
arlik [135]

Try this solution:

1. m∠A=m∠L; m∠B=m∠M and m∠C=m∠N;

2. m∠B=m∠M=35° and m∠C=m∠N=95°;

3. m∠A=m∠L=180°-(m∠B+m∠C)=180-35-95=50°

answer: 50°

5 0
3 years ago
I need help with this ​
gtnhenbr [62]
So what are we trying to find the reduced fraction or inverse operation
5 0
3 years ago
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