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3 years ago

Helppp 1st problem: 4x + 6 < 30 2 problem: 3x -5 > 16

Mathematics

1 answer:

Romashka [77]3 years ago

4 0

Step-by-step explanation:

please check your question once and chose correct answer which one is helpful to you

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The admission fee at a zoo is $2 for children and $4 for adults. If 1800 people enter the zoo and $6000 is collected, how many a

ipn [44]

Answer:

The number of adults is $1,200$

Step-by-step explanation:

Let

x------> the number of children

y------> the number of adults

we know that

$x+y=1800$ -------> equation A

$2x+4y=6000$ -------> equation B

Multiply equation A by $-2$

$-2(x+y)=-2*1800$ --------> $-2x-2y=-3600$ ------> equation C

Adds equation B and equation C

$2x+4y=6000\\-2x-2y=-3600\\---------\\4y-2y=6000-3600\\2y=2400\\y=2400/2\\y=1200$

4 0

2 years ago

Read 2 more answers

Estimate the solution to the system of equations. You can use the interactive graph below to find the solution.−3x+3y=9 2x−7y=−1

hjlf

Answer:

(x, y) = (-1.4, 1.6)

Step-by-step explanation:

The graph shows the solution pretty clearly. It seems no estimation is required.

5 0

3 years ago

Round 0.687 yo the nearest tenths place

Vaselesa [24]

Answer: 0.7

Locate the tenths place which is just to the right of the decimal point. We see a 6 in this spot. Just to the right of this 6 is the value 8. Since 8 is larger than 5, we bump the 6 up to 7 and erase everything else to the right. You can think of it like this

0.687 ---> 0.6 which bumps up to 0.7

This is like saying 687 is closer to 700 than it is to 600

4 0

2 years ago

Use the Quadratic formula to find the solution of the following equation<br>2x^2+3x=2

Leviafan [203]

Answer:

x=--2 and x=1/2

Step-by-step explanation:

this is the answer in simple form

8 0

3 years ago

Read 2 more answers

Part C

nika2105 [10]

Answer:

rare llike 22%

Step-by-step explanation:

7 0

3 years ago