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kondaur [170]
3 years ago
15

Pls help!!These two polygons are similar. 4 2 9 o 15​

Mathematics
1 answer:
lina2011 [118]3 years ago
3 0

Answer:

z = 3

Step-by-step explanation:

Similar polygons have the ratio of their corresponding sides equal to each other. There:

9/z = 6/2

Cross multiply

z*6 = 9*2

6z = 18

z = 18/6

z = 3

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In AWXY, WY is extended through point Y to point Z, m_YW X = (2x + 12),
Alja [10]

Answer:

Sum of two interior angles=exterior angle

\\ \sf\longmapsto 2x+12+2x+5=7x-1

\\ \sf\longmapsto 4x+17=7x-1

\\ \sf\longmapsto 3x=18

\\ \sf\longmapsto x=6

Done!

4 0
2 years ago
If f(x)=5x^3 and g(x)=x+1, find (f•g)(x)
alukav5142 [94]

Hello from MrBillDoesMath!

Answer:

5 x^3 + 15 x^2 + 15 x + 5 , none of the provided choices

Discussion:

f(x) = 5 x^3

g(x) = x+ 1  

=>

(f•g)(x) =

f(g(x)) =

f(x+1) =

5 * (x+1)^3 =

5 x^3 + 15 x^2 + 15 x + 5

which is none of the provided answers.

Thank you,

MrB

5 0
3 years ago
A florist can make a grand arrangement in 18 minutes or a simple arrangement in 10 minutes. The florist makes at least twice as
Colt1911 [192]

Answer:

See explanation

Step-by-step explanation:

Let x be the number of simple arrangements and y be the number of grand arrangements.

1. The florist makes at least twice as many of the simple arrangements as the grand arrangements, so

x\ge 2y

2. A florist can make a grand arrangement in 18 minutes =\dfrac{3}{10} hour, then he can make y arrangements in \dfrac{3}{10}y hours.

A florist can make  a simple arrangement in 10 minutes =\dfrac{1}{6} hour, so he can make x arrangements in \dfrac{1}{6}x hours.

The florist can work only 40 hours per week, then

\dfrac{3}{10}y+\dfrac{1}{6}x\le 40

3. The profit on the simple arrangement is $10, then the profit on x simple arrangements is $10x.

The profit on the grand arrangement is $25, then the profit on y grand arrangements is $25y.

Total profit: $(10x+25y)

Plot first two inequalities and find the point where the profit is maximum. This point is point of intersection of lines x=2y and \dfrac{3}{10}y+\dfrac{1}{6}x=40

But this point has not integer coordinates. The nearest point with two integer coordinates is (126,63), then the maximum profit is

\$(10\cdot 126+25\cdot 63)=\$2,835

8 0
3 years ago
80 POINTS
frez [133]

I GOT YOU

1. b

2. b

3. b

4. c

5. c

6. a

7. c

8. b

9. a

10. d

hope this helps!

6 0
3 years ago
Read 2 more answers
Solve the equation. Check the solution.<br> 6/7x= - 18
dexar [7]

Answer:

x= -21

Step-by-step explanation:

6/7x=-18

divide both sides by 6/7

------------

x= -21

------------

8 0
3 years ago
Read 2 more answers
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