3 years ago

Please help!! okay explain it also please!!

Mathematics

1 answer:

dem82 [27]3 years ago

5 0

Answer:

23. No Kele is not because the nearest answer is 1620 the eleven sided figure

Step-by-step explanation:

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What goes where. JdhshshHshxjancixd

valentina_108 [34]

Answer:

$\boxed { \frac{7}{5}y } \to \: \boxed {y+ \frac{2}{5}y }$

$\boxed { \frac{3}{5}y } \to \: \boxed {y - \frac{2}{5}y }$

Step-by-step explanation:

We need to simplify

$y + \frac{2}{5}y$

We collect LCM to get;

$\frac{5y + 2y}{5} = \frac{7y}{5}$

Therefore:

$\boxed { \frac{7}{5}y } \to \: \boxed {y+ \frac{2}{5}y }$

Also we need to simplify:

$y - \frac{2}{5}y$

We collect LCM to get;

$y - \frac{2}{5}y = \frac{5y - 2y}{5} = \frac{3}{5} y$

Therefore

$\boxed { \frac{3}{5}y } \to \: \boxed {y - \frac{2}{5}y }$

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4 years ago

Given that the mean of a data set is 25, and the standard deviation is 5, what is the Z-score of 15?

Ber [7]

The answer is negative 2

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3 years ago

Compute the value of the discriminant and give the number of real solutions of the Quadratic equation 3x^2+9x-1=0 PLSS HELPP

FrozenT [24]

Answer:

Discriminant = 93, two real roots/solutions

Step-by-step explanation:

Discriminant = b² - 4ac = (9)² - 4(3)(-1) = 81 + 12 = 93

Since 93>0, the quadratic equation has two real roots/solutions.

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3 years ago

Solve the equation below by factoring:

lyudmila [28]

$\huge\fcolorbox{blue}{aqua}{Answer:}$

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Answer: =A. $x = - 3$ $x = - 4$

Solution:

$x ^ { 2 } +7x=-12$

$x^{2}+7x+12=0$

$a+b=7 ab=12$

$1,12 2,6 3,4$

$1+12=13 2+6=8 3+4=7$

$a=3 b=4$

$\left(x+3\right)\left(x+4\right)$

$x = -3$ , $x = -4$

<h2>so the answer is = A.</h2>

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Explanation:

#Carry on learning

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3 years ago

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Find the coordinates of point P along the directed line segment AB so that AP to PB is the given ratio. A(−8, 0) , B(−3, 5) ; 2

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Answer:

Step-by-step explanation:

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