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3 years ago

Can someone help me with this math homework please!

Mathematics

2 answers:

Phantasy [73]3 years ago

8 0

x-intercept

(-2,0) and (0,0)

lapo4ka [179]3 years ago

3 0

Answer:

The answers are options A and C.

They are (-2,0) and (0,0).

Step-by-step explanation:

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Solve the equation 4s2+32s=60 by completing the square

lord [1]

Answer:

s = -4 ± √31

Step-by-step explanation:

Given 4 $s^{2}$ + 32s = 60

divide by 4 throughout

$s^{2} + 8s = 15\\s^{2} + 8s + (\frac{8}{2}) ^{2} = 15 + (\frac{8}{2}) ^{2}$

$(s + 4)^{2} = 31\\s + 4 = \sqrt{31}$

s = -4 ± √31

7 0

3 years ago

Can someone help me with this because I am struggling and if you don't mind show me the steps?

zubka84 [21]

Answer:

C) 1.5 in

Step-by-step explanation:

(7 + 1.5 + 1.5)(5 + 1.5 + 1.5) = 80

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3 years ago

A polygon is translated 3 units to the right and 4 units down, then it’s reflected across the x-axis, and then it’s dilated by a

Marrrta [24]

Answer:

$(x,y)\rightarrow (4x+12,-4y+16)$

Step-by-step explanation:

1 transformation - translation 3 units to the right and 4 units down. This translation has the rule

$(x,y)\rightarrow (x+3,y-4)$

2 transformation - reflection across the x-axis. This reflection has the rule

$(x,y)\rightarrow (x,-y)$

3 transformation - dilation by a factor of 4 with the origin as the center of dilation. This dilation has the rule

$(x,y)\rightarrow (4x,4y)$

Now, the sequence of these three transformation has the rule

$(x,y)\rightarrow\limits^{\text{1st transformation}} (x+3,y-4)\rightarrow\limits^{\text{2nd transformation}}(x+3,-(y-4))\rightarrow\limits^{\text{3rd transformation}} (4(x+3),4(-(y-4)))\\ \\(x,y)\rightarrow (4x+12,-4y+16)$

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3 years ago

Find the equation of the line that passes through (-18, -10) and is parallel to the line that passes through (-2, 2) and (-8, 1)

zhuklara [117]

Answer:

y = 1/6x + 7/3

Step-by-step explanation:

(-2 ,2) and (-8, 1)

Slope=(1-2)/(-8- - 2) = (-1/-6) = 1/6

b = 2 - (1/6)(-2) = 2 - 2/6 = 2 - 1/3 = 7/3

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2 years ago

Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2 and the profit

faust18 [17]

Answer:

x=366 Y=330

Step-by-step explanation:

3 0

2 years ago

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