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antoniya [11.8K]
2 years ago
13

Divide: 28.324 : 0.4 A 0.7081 B 7,081 C 708.1 D 70.81

Mathematics
2 answers:
zaharov [31]2 years ago
8 0

Answer:

D: 70.81

Step-by-step explanation:

valina [46]2 years ago
3 0

Answer:

D-70.81

Step-by-step explanation:

I did the math, this should be correct.

Good luck!

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21x^5y^4-18x^7y^3+15x^2y^5
soldi70 [24.7K]

Do you want us to answer or simplify?

Simplify:=−18x^7  y^3 + 21x^5  y^4+ 15x^2 y^5

5 0
3 years ago
Y=-x-3
nadya68 [22]

Answer: Heyaa! :)

  • <em>1. y=-x-3 = -1</em>

<em>Slope:  </em>−1

<em>y-intercept: </em>(0,−3)

  • <em>2. y=4x-5 =</em> 4

<em>Slope:</em> 4

<em>y-intercept: </em>(0,−5)

  • <em>3. 2x-y=-2 =</em> 2

<em>Slope:</em> 2

<em>y-intercept:</em> (0,2)

  • <em>4. x+y=4 =</em> 1

Slope: −1

<em>y-intercept:</em> (0,4)

  • <em>5. 3x+4y=-12 = - 3/4</em>

<em>Slope: </em>−3/4

<em>y-intercept: </em>

(0,−3)

Hopefully this helps<em> you!</em>

<em />

- Matthew

4 0
2 years ago
A forest ranger can see for a distance of 12 miles from a firetower. Formulas Show calculator Select the best answer How many sq
BabaBlast [244]
That would be the area of a circle of radius 12 miles

= pi r^2 =  452.4  square miles to nearest tenth.
6 0
3 years ago
CORRECT ANSWER GETS BRAINLIEST
MissTica

Pretty sure it's D :)))))

5 0
3 years ago
Read 2 more answers
Points N and R both lie on circle O. Line segment RQ is tangent to the circle at point R.
4vir4ik [10]

Answer:

15.0

Step-by-step explanation:

Let's start by looking at triangle ORQ. Since RQ is tangent to the circle, we know that angle ∠ORQ is 90°. Then, since OR is equivalent to the radius of 5, RQ is 5√3, and side OQ is clearly larger than RQ, we can identify this as a 90-60-30 degree triangle. This makes side OQ have a length of 10, and angle ∠QOR, opposite of the second largest side, has the second largest angle of 60°, leaving ∠OQR with an angle of 30°.

The formula for the chord length is 2r*sin(c/2), with c being the angle between the two points on the circle (in this case, ∠QOR=∠NOR).. Our radius is 5, so the length of chord NR is 2*5*sin(60/2)=5, making our answer 5(ON)+5(OR)+5(RN)

4 0
3 years ago
Read 2 more answers
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