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masha68 [24]
3 years ago
13

Giải hệ phương trình

Mathematics
2 answers:
Maru [420]3 years ago
6 0
Answer:

please insert your question...

support me by marking as brainliest!! :)
zimovet [89]3 years ago
5 0

Answer:

Muhammad Hussain

Step-by-step explanation:

03090490925

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You can spend at most $60 on beads. A bag containing red beads costs $2 per bag. A bag containing blue beads costs $3 per bag. Y
nexus9112 [7]
For this case, the first thing we must do is define variables.
 We have then:
 x: number of blue beads
 y: number of red beads
 We now write the inequations system:
 3x + 2y  \leq  60

x\ \textgreater \  y
 Answer:
 a system of linear inequations that represents the situation is:
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8 0
3 years ago
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Evaluate the expression 12-(8+3)
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The answer is 1. Needs to be 20 chars.
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4 years ago
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On each of 3 days, Derrick rode 6.45 km to school, 150 meters to the library, and then 500 meters back home. how many kilometers
Svetradugi [14.3K]

Answer: 21.3 km

Step-by-step explanation:

Given: On each of 3 days the distance traveled by Derrick to school = 6.45 km

The distance rode by Derrick to library = 150 meters

Since, 1 m=\frac{1}{1000}\ km

Thus, the distance rode by Derrick to library = 150\times\frac{1}{1000}\ km=0.15\ km

The distance rode by Derrick to home = 500 meters.

Thus, the distance rode by Derrick to home = 500\times\frac{1}{1000}\ km=0.5\ km

Distance he rode in each day = 6.45+0.15+0.5=7.1\ km

Now, Distance he rode in 3 days = 3\times7.1=21.3\ km

6 0
3 years ago
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Candice is typing an average of 40 words per minute. Write and solve an equation to find the time it will take her to type 1000
saw5 [17]

Answer:

25 Minutes

Step-by-step explanation:

Because 1000 ÷ 40 = 25

5 0
3 years ago
An airplane flies from New Orleans Atlanta Georgia and an average of the airplane then returns on average rate of 280 mph travel
JulsSmile [24]

Answer:

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