3 years ago

I’m not sure about this question can someone help me please

Mathematics

1 answer:

Ksju [112]3 years ago

5 0

-10y^2
Explanation: when combining like terms everything cancels out except for -10y^2

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Answer:

Step-by-step explanation:

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3 years ago

Simplify V-16<br> a. -8i <br> b. -4i <br> c. 4i <br> d. 8i

Lena [83]

Answer:

C. 4i

Step-by-step explanation:

√-1 is imaginary number i

Step 1: Write expression

√-16

Step 2: Factor

√-1 · √16

Step 3: Simplify

i · 4

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3 years ago

What is the slope of the line that passes through the points (10,6) and (9,5)? Write

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Step-by-step explanation:

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DUE TONITZ PLZ HELPZ!!!!1!111!!

Fittoniya [83]

Answer:

10.3 miles

Step-by-step explanation:

a^2 + b^2 = c^2

9^2 + 5^2 = c^2

81 + 25 = c^2

106 = c^2

the square root of 106 and c^2 is approximately c = 10.3

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3 years ago

Triangle A″B″C″ is formed using the translation (x + 1, y + 1) and the dilation by a scale factor of 3 from the origin. Which eq

FromTheMoon [43]

Answer:

$B''C''=3BC$

Step-by-step explanation:

we know that

The length of segment B''C'' is equal to the length of segment BC multiplied by the scale factor

step 1

Find the length of segment BC

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have the points

B(1,-3),C(-3,-3)

substitute the values

$BC=\sqrt{(-3+3)^{2}+(-3-1)^{2}}$

$BC=\sqrt{(0)^{2}+(-4)^{2}}$

$BC=4\ units$

The segment B''C'' is equal to the segment BC multiplied by the scale factor

The scale factor is 3

$B''C''=BC(3)$

$B''C''=3BC$

substitute

$B''C''=3(4)=12\ units$

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3 years ago

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