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DENIUS [597]
3 years ago
15

PLS HELP ME factor completely 2x^2 + 16x -18

Mathematics
1 answer:
katovenus [111]3 years ago
4 0

Answer: 2(x−1)(x+9)              

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Sam Houston's Arms
OLga [1]

Answer:

The length of the statue's arm is<u> 26.22 ft.</u>

Step-by-step explanation:

Let the length of the statue's arm be 'x'.

Given:

Height of statue is, H=67\ ft

Height of male is, h=5\ ft\ 9\ in=5\ ft+\frac{9}{12}\ ft=5+0.75=5.75\ ft

Length of the male's arm is, l=27\ in=\frac{27}{12}=2.25\ ft

Now, as the size of Sam Houston's statue is proportional to that of an adult male, therefore, their heights and arm lengths will also be in proportion. So,

\frac{H}{h}=\frac{x}{l}\\x=\frac{H}{h}\times l

Now, plug in the given values and solve for 'x'.

x=\frac{67}{5.75}\times 2.25\\x=26.22\ ft

Therefore, the length of the statue's arm is 26.22 ft

7 0
3 years ago
What is 82% of $5.00? Is the answer going to be more or<br> less than $2.50, Why?
ArbitrLikvidat [17]

Answer:

Part A) 82% of $5.00 is $4.10.

Part B) Less, because $5.00 is 2x as much as $2.50, therefore anything over 50% would be less, and anything under would be more.

7 0
2 years ago
6(a)If the gradient of the straight line
tensa zangetsu [6.8K]

Answer:

(i) k =1

(ii) y-intercept is 7

Step-by-step explanation:

<u>Given line:</u>

  • ky = kx + x + 7

<u>Divide all terms by k to get slope-intercept form of the line</u>

  • y = (1 + 1/k)x + 7/k

<u>Since the gradient (slope) of the line is 2:</u>

  • 1 + 1/k = 2
  • 1/k = 1
  • k = 1

<u>The equation is now:</u>

  • y = 2x + 7

<u>y - intercept is found when x = 0</u>

  • x = 0 ⇒
  • y = 2*0 + 7
  • y = 7

5 0
3 years ago
Find the value of the angles
sergij07 [2.7K]
X+6+2x+4+x+3= 180
4x+13=180
4x= 167
x=41.75

Angle ABC= 47.75
Angle CBD= 87.5
4 0
3 years ago
On a road, a bike sign in the shape of an isosceles trapezoid is to be painted. The sign and its dimensions are shown below. Wha
KIM [24]
I think it's 45.... good luck I'm sorry you have to do math lol
3 0
3 years ago
Read 2 more answers
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