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dem82 [27]
2 years ago
13

HELP ASAP-2x+5y=-15 5x+2y=-6 How would you solve this system using elimination?

Mathematics
2 answers:
ale4655 [162]2 years ago
8 0

Answer:

2 and 3

Step-by-step explanation:

Marianna [84]2 years ago
6 0
Do the second one or the third one and then eliminate
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For an outdoor concert by the city orchestra, concert organizers estimate that 10,000 people will attend if it's not raining. If
Vlada [557]

Answer:

The number of expected people at the concert is 8,500 people

Step-by-step explanation:

In this question, we are asked to determine the expected number of people that will attend a concert if we are given the probabilities that it will rain and it will not rain.

We proceed as follows;

The probability that it will rain is 30% or 0:3

The probability that it will not rain would be 1 -0.3 = 0.7

Now, we proceed to calculate the number of people that will attend by multiplying the probabilities by the expected number of people when it rains and when it does not rain.

Mathematically this is;

Number of expected guests = (probability of not raining * number of expected guests when it does not rain) + (probability of raining * number of expected guests when it rains)

Let’s plug values;

Number of expected guests = (0.3 * 5,000) + (0.7 * 10,000) = 1,500 + 7,000 = 8,500 people

4 0
3 years ago
Pleaseeee help im confused best answer will get brainliest.
Komok [63]

Answer:

9d = the cost of the tennisballs

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I NEED HELP PLEASE PLOT IT OR LOCATE IT
alekssr [168]

Answer: 2 2/3 is located on the third line after two and 1 5/6 is located on the last line after one

Step-by-step explanation:

8 0
2 years ago
Write into expression take away 3 from x
Savatey [412]

The expression will be x-3.

5 0
2 years ago
Explain how you would choose a scale to use for a map. What things would you need to consider
lianna [129]
A scale drawing is an enlarged or reduced drawing of an object that is similar to an actual object. Maps and floor plans are smaller than the actual size. A scale drawing of a human cell is larger than the actual size.

On a map, the equal sign in 1 in. = 30 mi does not mean that the two quantities are equal, as it would in an equation.

A scale is the ratio that compares a length in a drawing to the corresponding length in the actual object. If a 30-mile road is 1 in. long on a map, you can write the scale of the map in these three ways:

Go here for more. http://www.phschool.com/itext/mgmath_course2/Ch05/05-07/PH_MSM2_ch05-07_Obj1.html
4 0
3 years ago
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