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Margaret [11]
3 years ago
14

Help with math hw please

Mathematics
1 answer:
Alex777 [14]3 years ago
7 0

Answer:

x = 4

Step-by-step explanation:

All of the sides are the same so every angle is 17x-8.

Every triangle adds up to 180 degrees.

3(17x-8)=180

51x-24=180

    +24  +24

51x=204

 x= 4

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Step-by-step explanation:

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The landing restuarant order 200 flowers for mother day.the orderd carnation at 1.50$,Rose's at 5.75$and the daisies at 2.60$ ea
Vanyuwa [196]

Answer:

She ordered 80 carnations, 50 roses, and 70 daisies.

Step-by-step explanation:

Let x = number of carnations, y = number of roses, and z = number of daisies.  This problem gives us three equations.

 

First, remember that we multiply the price of each flower by the number bought then add up the subtotals, that gives the total amount paid.

Therefore,

1.50x + 5.75y + 2.60z = 589.50

 

Second, the sum of the numbers purchased is the total bought. Therefore,

x + y + z = 200

 

Finally, there are 20 fewer roses than daisies. Therefore,

y = z - 20

 

If you substitute z - 20 in for y in the first two equations, you can rewrite them so they only have x and z.

 

1.50x + 5.75(z - 20) + 2.60z = 589.50

1.50x + 5.75z - 115 + 2.60z = 589.50

1.50x + 8.35z = 704.50

 

x + (z - 20) + z = 200

x + 2z - 20 = 200

x + 2z = 220

 

If you solve the rewrite second equation for x, you get x = 220 - 2z.  Therefore, you can substitute 220 - 2z in for x in the rewritten first equation, and then solve for z.

 

1.50 (220 - 2z) + 8.35z = 704.50

330 - 3z + 8.35z = 704.50

330 + 5.35z = 704.50

5.35z = 374.50

z = 70

 

If you have z = 70, then x = 220 - 2(70) = 80 and y = 70 - 20 = 50.

 

She ordered 80 carnations, 50 roses, and 70 daisies.

*HOPE THIS HELPED!!! :D)

4 0
3 years ago
How many pounds are in an ounce
MakcuM [25]
0.0625 pounds are in exactly one pound.
4 0
3 years ago
Read 2 more answers
Need help with this kinda need it done by tomorrow morning
sdas [7]

Answer:

1. 2/5

2. 4/5

3. -3/-6

4. -5/-3

5. 1/4

6. 1

7. 3/12 or 1/4

8. 1/-2

9. 3/2

10. 1

11. 24/-1

12. 13

13. 9/17

14. 28/-16

15. -17/14

16. -13/6

Step-by-step explanation:

Through problems 1-6, use the rise/run method to find the slope.

Through questions 7-16, use the y2-y1/x2-x1 formula.

Hope this helped!

3 0
3 years ago
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