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3 years ago

The radius of a circle is 10 inches. What is the area of a sector bounded by a

Mathematics

1 answer:

guajiro [1.7K]3 years ago

8 0

The answer is 180/100

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The number u is doubled and the product is increased by 280

kherson [118]

(2u)+280 is the answer

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3 years ago

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A plot of land is represented on a map whose scale is 1:10000.On the map perimeter of the plot is 24.8cm.Calculate,in km ,the ac

sveta [45]

Answer:

24.8 km

Step-by-step explanation

To do this we would just multiply 24.8 by 10,000 which is 248000 and if we divide that by 10000 (to get km) we would get 24.8km

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3 years ago

Use the following regression results to answer the remaining questions. Y measures average hourly earnings AHE in U.S. dollars f

Ulleksa [173]

Answer:

Check the explanation

Step-by-step explanation:

Y = 11.5 + 4.5*X1 -2.5*X2 +0.7*X3+1.6*X4 -2.4*X5 -2.8*X6

FOR JANE

X1 =1 , X2 =1 , X3 =5 , X4 =0 ,X5=0, X6=1

SO,

Y =11.5+(4.5*1)-(2.5*1)+(0.7*5)+0+0-(2.8*1)

= 14.2

..........................

FOR Sophie

X1 =1 , X2 =1 , X3 =10 , X4 =1 ,X5=0, X6=0

so,

Y =11.5+(4.5*1)-(2.5*1)+(0.7*10)+ (1.6*1)+0+0

= 22.1

3 0

3 years ago

Can someone please help me I’m stuck I don’t know

Leviafan [203]

Answer:

140

Step-by-step explanation:

Because the lines are parallel:

$\dfrac{DE}{35}=\dfrac{60}{15} \\\\DE=4\cdot 35=140$

Hope this helps!

4 0

3 years ago

What is 9| - z/3| + 6 < 30

Reil [10]

9|⁻¹/₃z| + 6 < 30
9|⁻¹/₃z| + 6 < ±30
9|⁻¹/₃z| + 6 < 30 or 9|⁻¹/₃z| + 6 > -30
9(¹/₃z) + 6 < 30 or 9(¹/₃z) + 6 > -30
3z + 6 < 30    or    3z + 6 > -30
- 6   - 6 - 6 - 6
3z < 24    or       3z > -24
3 3   3   3
z < 8      or       z > -8

Solution Set: {z|z < 8 or z > -8} and (-∞, 8) or (-8, ∞)

4 0

3 years ago

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