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JulsSmile [24]
3 years ago
13

I need the answer now someone please help !

Mathematics
1 answer:
bija089 [108]3 years ago
4 0

Answer:

a

Step-by-step explanation:

you just make it half the size but the shape is the same

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An aircraft takes off and climbs at a constant 30° angle until it reaches an altitude of 6 miles.
Firlakuza [10]

Answer:

  • 10.4 miles

Step-by-step explanation:

Let the horizontal distance is x

<u>Use tangent to solve this:</u>

  • tan 30° = 6/x
  • x = 6 / tan 30°
  • x = 10.4 mi (rounded)
5 0
3 years ago
Y varies directly with x. If x= 1 and y = 0.25 what is y if x = 9<br> Type your answer...
Gala2k [10]

Answer:

y=2.25

Step-by-step explanation:

0.25x9=2.25

6 0
3 years ago
Factorise the following expression using grouping and use binomial products to simplify.
rewona [7]

Answer:

11x-55-5a+ax

11(x-5)+a(x-5)

(11+a)(x-5)

Step-by-step explanation:

First you factor out the common factors

for(11x-55) is would be 11 as both of these figures are the multiple of 11

for(ax-5a) the common factor is a which will be factor out

Then after doing the process you will get

11(x-5)+a(x-5)

then factor out(x-5)which will give you

(11+a)(x-5)

6 0
4 years ago
Read 2 more answers
Calculate the surface area or a sphere or radius 7.3 cm.
belka [17]

Answer:

1436.755 cm³

Step-by-step explanation:

Input Data :  

Length = 7 cm

Objective :  

Find what is volume of the sphere for given input data?

Formula :

Volume =

4πr3

3

Solution :

Volume =

4 x 3.1416 x 73

3

=

4 x 3.1416 x 343

3

=

4310.2651

3

Volume = 1436.755 cm³

8 0
4 years ago
Find g(-3) g(2) g(4)
Stells [14]

Answer:

\frac{1}{2} , 2 , 4

Step-by-step explanation:

x = - 3 ≠ 2 , then

g(- 3) = \frac{1}{2} × (- 3)² - 4 = \frac{1}{2} × 9 - 4 = \frac{9}{2} - 4 = \frac{1}{2}

x = 2 then g(2) = 2

x = 4 ≠ 2 , then

g(4) = \frac{1}{2} × 4² - 4 = \frac{1}{2} × 16 - 4 = 8 - 4 = 4

4 0
2 years ago
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