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vesna_86 [32]
3 years ago
15

7y - 4.5 - 6y = HELP ME IM SO CONFUSED

Mathematics
1 answer:
kotegsom [21]3 years ago
8 0

Answer:

y=4.5

Step-by-step explanation:

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An archway is modeled by the equation y = -2x2 + 8x. A rod is to be placed across the archway at an angle defined by the equatio
andrey2020 [161]
This is a fun problem!  Just graph the two equations, then see what points the line intersects with the parabola.  Or, set the two equations equal to each other, and solve for the two intersecting points.
Solve for x and y:       -2x+8 = x-2.23y+10.34 
7 0
3 years ago
the table shows the amount of apple sause made from one apple of each size. Patrice has 17 medium apples and 23 large apples. Wh
joja [24]

Answer:

where is the table?

Step-by-step explanation:

7 0
3 years ago
Which statement is true? Integers are always whole numbers or all whole numbers are rational or integers include all rational me
Musya8 [376]

Let's go through each statement to see if it is true or false.

=====================================

Integers are always whole numbers

This is true. Integers are numbers that don't have any fractional or decimal portion

=====================================

All whole numbers are rational

This is also true. Let's say we had the whole number 7. We can write it as 7/1 which is rational. A rational number is any number that can be written as a fraction of two integers. So this means any whole number can be converted to a rational number format.

=====================================

Integers include all rational members

This is false. It is true that all integers are rational, but there is more to the story than just integers when it comes to listing all rational numbers.

For instance, the number 1/2 is rational, but it is not an integer.

=====================================

Rational numbers do not include integers.

This is false. As stated earlier, any integer can be placed over 1 to form a rational number. So the rational numbers do include integers, among non-whole number fractions as well.

8 0
3 years ago
Ashley has 6 books and 9 pencils. James has 12 pencils but is not able to determine the amount of books he has. The amount of bo
dsp73

Answer:

8 books

Step-by-step explanation:

First you need to find the ratio between 6 and 9

6/9 = 2/3

The ratio is 2/3

Now for James's case his denominator would be 12

x/12

To find the numerator you need to multiply the denominator by 2/3

12 * 2/3 = 8

There you go, the numerator is your answer

8 books and 12 pencils

Hope this helps :)

4 0
3 years ago
The sum of two numbers is 20, and the difference is 40
Feliz [49]

x+y=20\\\underline{x-y=40}\\2x=60\\x=30\\\\30+y=20\\y=-10

<u>-10 and 30</u>

3 0
4 years ago
Read 2 more answers
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