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Natali5045456 [20]
3 years ago
13

Please answer correctly and no links​

Mathematics
1 answer:
krek1111 [17]3 years ago
4 0

Answer:

-6.825 (-2 33/40). hope this helps

Step-by-step explanation:

- Zombie

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Find a solution to the equation 4(x + 7) = 38
yKpoI14uk [10]

Answer:

4(x+7)=38

4x+28=38

4x=38-28

4x=10

(divide by 4)

x=2whole number 2/4

=2whole number 1/2

or x=2.5

6 0
3 years ago
(Would be very much appreciated if it was answered asap, please and thank you! =D)
LUCKY_DIMON [66]
The equation 3.3x - 6.6 = 2.7x is equal to the expression 0.6x = 6.6 (2nd option)
4 0
3 years ago
At what rate percent will the interest on Rs. 6300 in 10 years be equal to its principal?​
grin007 [14]

Answer:

  1. the answer is 10÷6300×100=0,16%
6 0
3 years ago
Sarah is 6 years older than Amy.
Umnica [9.8K]

Answer:

B.

Step-by-step explanation:

The problem has got to be addition.

The sentence "Sarah is 6 years older than Amy." does not include any hint of subtracting, or multiplying.

A hint of multiplying in a expression would be the word 'times', like "Brandon is 6 times the age of Emily" which eliminates D.

A hint of subtraction in an expression would be the word 'less', like "Brandon is 6 less the age of Emily." which eliminates A and C.

The word 'older' indicates addition, or adding, and if it would have been subtraction, the keyword would be 'younger' because you are subtracting their age, like 19 - 11. The same goes with B, but adding.

Finally, we now know that it is B because there is no other addition choice.

I hope this helped. Please correct me if I am wrong.

8 0
3 years ago
Verify the identity. cotangent x equals StartFraction 1 plus cosine 2 x Over sine 2 x EndFractioncot x= 1+cos2x sin2x Use the ap
lutik1710 [3]

Answer with Step-by-step explanation:

We are given that

RHS

\frac{1+Cos2x}{Sin2x}

We have to verify the identity.

We know that

1+Cos2x=2Cos^2 x

Sin2x=2SinxCos x

Using the formula

\frac{2Cos^2x}{2SinxCosx}

\frac{Cosx}{Sinx}

Cot x

By using the formula

Cotx=\frac{Cosx}{Sinx}

LHS=RHS

Hence, verified

6 0
3 years ago
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