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zaharov [31]
2 years ago
6

(these are the rest) May i get more help please :( thank you :)

Mathematics
1 answer:
joja [24]2 years ago
3 0

Answer:

7. a = 1,075 sq ft

8. 128 sq ft

9. a = 80 in

10. $28

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30. What is the degree of the polynomial?
zheka24 [161]

Answer:

Step-by-step explanation:

30). 5^{th} degree ( 4 + 1 = <em>5</em> ; 1 + 1 = 2 and 2 + 2 = 4 )

31) D) Choice D

4 0
2 years ago
−px+r=−8x − 2, x=?<br> now i have to do this problem, and i dont know how, help?
Taya2010 [7]

-px + r = - 8x - 2

-px + r + 8x +2 = 0

-px +8x = -r -2

x(8-p) = -r -2

x= \frac{8-p}{-r-2} =

\frac{8-p}{-r-2}

3 0
2 years ago
Paul is spreading grass seed on an area of his lawn that is 9 feet wide and 10 feet long. A bag of grass seed covers 15 square f
aksik [14]
Area of the field should be 9*10 = 90 square feet.
a bag of grass seeds cover 15 square feet.
so if you need to know how many bags should be used, then,
Total area of field/ area covered by 1 bag of grass seeds.
= 90/15 = 6 bags
he needs to use 6 bags of grass seeds to cover the whole field.
I don't think there are any 'hidden' questions, though you can consider the 2nd part of the question I guess. (how many bags of seed will Paul...)
3 0
3 years ago
Brainliest to most helpful! Answer asap!
kap26 [50]

ΔAOB is a right angled triangle. Therefore the Pythagorean Theorem applies in this situation.
θ is the angle from a standard position of the line OA

The length of the y component is √(1-0)2 +(-3-(-3))2] =√(12+ 02) = 1 A(-3,1) to B(-3,0) which is opposite

Then the length of the x-component is √[(-3-0)2 +(0-0)2] = √(9+0)= 3 B(-3,0) to O(0,0) which is adjacent

The length of vector OA is √[(-3-0)2 + (1-0)2] = √(9+1) = √(10) A(-3,1) to O(0,0) which is the hypotenuse of the triangle

θ = 180 - α
sinθ = sin(180-α) = opposite/hypotenuse = 1/√10
cosθ = adjacent/hypotenuse = -3/√10
tanθ = opposite/adjacent = 1/-3 = -1/3

α= arcsin(1/√10) ≈ 18
θ =180 -18 ≈162
8 0
3 years ago
Give each rate in miles per hour:
DIA [1.3K]

a) 9/212 = #mph

b)0.000142045 Miles / 0.000277778 hours = # mph

Step-by-step explanation:

a) 9/212 = #mph

b)

1)9 inches divide the length value by 63360 is 0.000142045 Miles

2) 1 hour  3600 seconds in ones hour so 1/3600 =0.000277778

3) take miles/hour

0.000142045 Miles / 0.000277778 hours = # mph

6 0
3 years ago
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