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Zina [86]
3 years ago
15

Answer both please! Best answer will get Brainliest! :)

Mathematics
1 answer:
Deffense [45]3 years ago
5 0
X = 105
Y = 180-65 = 115
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The expression square root 5x is equivalent to the expression square root 5 <br> A. True Or B. False
Kitty [74]

Answer:

False

Step-by-step explanation:

sqrt(5x) cannot simplify to x*sqrt5 because the x variable is not squared.

4 0
3 years ago
Read 2 more answers
Wich expression is equivalent to (3x^5+8x^3)-(7x^2-6x^3)
n200080 [17]
(3x^5 + 8x^3) - (7x^2 - 6x^3) = 3x^5 + 8x^3 - 7x^2 - 6x^3 = 3x^5 + 2x^3 - 7x^2
6 0
3 years ago
5. If the covariance between the variables x and y is 18 and the variance
klasskru [66]

Answer:

The coefficient of  correlation=0.5

Step-by-step explanation:

We are given that

Covariance between the variable  x and y=18

Variance of x=16

Variance of y=81

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We know that

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r=\frac{covariance(x,y)}{\sqrt{variance(x)}\times \sqrt{variance(y)}}

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r=\frac{18}{\sqrt{16}\times \sqrt{81}}

r=\frac{18}{4\times 9}

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Hence, the coefficient of  correlation=0.5

5 0
3 years ago
What is the equivalent expression of -5(2x+3/5)
marusya05 [52]

Answer: I got 4x^2-12x+14 hope this helps :)

Step-by-step explanation:

5 0
3 years ago
What is the answer to this- 9th-grade geometry
NemiM [27]

Answer:

AB is congruent is CD.  (Last one)

Step-by-step explanation:

Hypotenuse leg is when the hypotenuse and ONE (you only need one, not two) leg of the triangle are congruent in a RIGHT triangle.

In the image, you already know that it is a right triangle and you know that the hypotenuse are congruent (Reflexive Prop) .You just need to know that the legs are congruent.  So you choose which one has the legs congruent.  The leg pairs that can be congruent are AD and CB or DC and AB.  The only one that matches this is the last one

8 0
3 years ago
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