Round off 34162 to one significant figure

Answers

Answer 1

Answer: 34,162 rounded to one significant figure will be 30,000.

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(35n 3 - 30n 2 + 25n) ÷ (-5n)
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At what point does the graph of 5x + 4y = 12 intersect the y-axis?a. (0, 3) b. (0, -3) c. (3, 0) d. (5, 0) e. (0, -5)
Find f(6) if f(x) = x^2 ÷ 3 + x. 4 10 18

What is the y-intercept of the function f(x) = -2/9x + 1/3

Answers

Answer:

y-intercept = 1/3

Step-by-step explanation:

$f(x) = mx + c$

$f(x) = - (2)/(9) x + (1)/(3)$

c = y-intercept

y-intercept= 1/3

Hello! :)

To find the y-intercept, substitute 0 for x-intercept then you will get the y-intercept.

(0,1/3) y-intercept

Hope this helped you!

THEDIPER

3D shape practice. I'm stuck in this problem. Pleas help.

Answers

1)we calculate the volume of the right rectangular prism
volume=lenght x width x heigth
volume=12 ft * 8.5 ft * 4 ft=408 ft³

density= mass / volume ⇒ mass=volume * density.
density=0.25 pound /ft³

2) we calculate the mass of the right rectangular prism.
mass=volume * density
mass=408 ft³(0.25 pound / ft³)=102 pounds.

answer: c. 102

Which of the following have an odd sum? Select all that apply. Select all that apply. odd number ++plus even number even number ++plus even number 7 + 47+47, plus, 4 11 + 311+3

Answers

lets go one at the time:
- odd number ++plus even number
odd number

- even number ++plus even numbereven number

7 + 47 + 47 plus, 4 = 101 + 4 = 105that is odd

11 + 311 + 3 = 325
odd

What percentage of the shape is purple

Answers

the answer is going to be: 75%

Answer:

75% of the circle is purple

Step-by-step explanation:

this circle is split into 4ths, meaning each piece is equivalent to 25%. And since 3 pieces are purple, you multiply 25x3 to get 75. Leaving 25% of the circle white.

What is the solution to the equation -(5-(a+1))=9-(5-(2a-3))

Answers

Answer:

a)-5

Step-by-step explanation:

-(5-(a+1))=9-(5-(2a-3))

= -(5-a-1)= 9-(5-2a+3)

= -5+a+1 = 9-5+2a-3

= -4+a = 1+2a

= -4 - 1 = 2a-a

= -5 = a

Step 1: Simplify both sides of the equation.
−(5−(a+1))=9−(5−(2a−3))
−(5−(a+1))=9+−1(5−(2a−3))(Distribute the Negative Sign)−(5−(a+1))=9+(−1)(5)+−1(−2a)+(−1)(3)−(5−(a+1))=9+−5+2a+−3a+−4=9+−5+2a+−3(Distribute)a−4=(2a)+(9+−5+−3)(Combine Like Terms)a−4=2a+1a−4=2a+1Step 2: Subtract 2a from both sides.a−4−2a=2a+1−2a−a−4=1Step 3: Add 4 to both sides.−a−4+4=1+4−a=5Step 4: Divide both sides by -1.−a−1=5−1a=−5

A fountain on a lake sprays water in a parabolic arch modeled by the equation y = −0.4x2 + 3x, where y is the height in feet and x is the horizontal distance. A beam of light is passed through the fountain to create a rainbow effect. If the beam is directed at an angle modeled by the equation -2.2x + 4.9y = 8.18, at what distance from the ground will the beam first touch the water spray?

Answers

Hello,

y=-1.4x²+3x
y=2.2/4.9 x +8.18/4.9

-0.4x²+3x=2.2/4.9 x +8.18/4.9

==>1.96 x² -12.5x +8.18=0
Δ=92.1188....=9.597...²

x=(12.5-9.597...)/(2*1.96)=0.7403433....
=>y=-0.4*0.7403...²+3*0.7403...=2.00178682...

Answer: 2.001... ft

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