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Wittaler [7]
3 years ago
9

Corinna has $80. She wants to buy a $245 plane ticket. She will save up her earnings from working at the museum where she earns

$15 per hour. Which inequality shows the number of hours, n, Corinna must work so that she has a total of at least $245
Mathematics
1 answer:
vivado [14]3 years ago
4 0

245<=80+15n

245 is less than or equal to 80 (original savings) + 15n (pay*number of hours)

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the equation 5x +2y=20 represents the cost for a family to attend a play where x = the number of.kids &amp; y=the number of chil
Elan Coil [88]
You can plug 0 into y for the x intercept and 0 into x for the y intercept.
6 0
3 years ago
O 12 units<br> O 15 units<br> O 20 units<br> O 25 units
nadezda [96]

Answer:

12 units

Step-by-step explanation:

Because the two triangles are similar:

\dfrac{x}{9}=\dfrac{16}{x} \\\\\\\dfrac{x^2}{9}=16 \\\\\\x^2=144 \\\\\\x=12

Hope this helps!

3 0
3 years ago
A wireless company offers two cell phone plans. For the month of September, Plan A charges $35 plus $0.25 per minute for calls.
valentina_108 [34]

Answer:

60 minutes

Step-by-step explanation:

Let the number of minutes be represented as x

For Plan A

Plan A charges $35 plus $0.25 per minute for calls.

$35 + $0.25 × x

35 + 0.25x

For Plan B

Plan B charges $20 plus $0.50 per minute for calls.

$20 + $0.50 × x

20 + 0.50x

For what number of minutes do both plans cost the same amount?

This is calculated by equating Plan A to Plan B

Plan A = Plan B

35 + 0.25x = 20 + 0.50x

Collect like terms

35 - 20 = 0.50x - 0.25x

15 = 0.25x

x = 15/0.25

x = 60 minutes.

Hence, the number of minutes that both plans cost the same amount is 60 minutes

7 0
3 years ago
How do you solve this !!??(x+y+2)(y+1)
Elena-2011 [213]

Answer:

Step-by-step explanation:

(x+y+2)(y+1)

Opening the brackets

xy + x + y^2 + y +2y +2

y^2 +xy + 3y + x +2

6 0
3 years ago
Match each inequality to the number line that represents its solution
vlada-n [284]

the first one that is x-99....... goes to the second answer box

the second that is x-51......... goes to the first answer box

the third that is 150+x......... goes to the fourth answer box

the fourth that is 69-x......... goes to the third answer box

3 0
3 years ago
Read 2 more answers
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