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zysi [14]
3 years ago
6

The dance committee has a budget of $125 to decorate the gym for the spring dance. They have already spent $65. Some members wan

t to buy helium balloons that cost 0.80 each. Write an inequality to show the number of ballons that they dance committee can purchase.
Mathematics
1 answer:
marusya05 [52]3 years ago
6 0

Answer:

75

Step-by-step explanation:

subtract 65 from 125 giving your 60 then divide 60 by 0.80= 75

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A ship sails from harbour h on a bearing of 084 for 340 km until it reaches point P. It the sails on a bearing of 210 for 160km
sattari [20]

Answer:

QH = 227.8 km ≅ 228 km

Step-by-step explanation:

∵ The bearing from H to P is 084°

∵ The bearing from P to Q is 210°

∵ The distance from H to P = 340 km

∵ The distance from P to Q = 160 km

∴ The angle between 340 and 160 = 360 - 210 - (180 - 84) = 54°

( 180 - 84) ⇒ interior supplementary

By using cos Rule:

(QH)² = (PH)² + (PQ)² - 2(PH)(PQ)cos∠HPQ

(QH)² = 340² + 160² - 2(340)(160)cos(54) = 51904.965

∴ QH = 227.8 km ≅ 228 km

7 0
3 years ago
Read 2 more answers
What is 6 plus 12 times 8-3
9966 [12]

Answer:

99

Step-by-step explanation: Use PEMDAS

12+8 = 96

96+6 = 102

102-3 = 96

Hope this helped!

4 0
3 years ago
the number of patients treated dr. martens dentist office each day was recorded for nine days. These are the data; six, six, six
Effectus [21]

Answer:

Mean: 5.5555555555556

Median: 6

Mode: 6

Step-by-step explanation:


8 0
2 years ago
What fraction of two pounds is fifty pence?
EastWind [94]
1/4

There are 100 pence in a pound, so 2 pounds is 200 pence. 50 is 1/4 of 200.
5 0
3 years ago
Determine what type of model best fits the given situation: The height of a tree twenty feet tall increases by 2 feet per year.
Sliva [168]

Answer:

linear model

Step-by-step explanation:

This is a linear function.  The initial value is 20 ft, and the yearly growth is 2ft/yr.  Thus, the function is

height(t) = (20 ft) + (2 ft/yr)t, where t is the number of years.

4 0
3 years ago
Read 2 more answers
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