Which phrases can be represented by the expression StartFraction h Over 30 EndFraction? Check all that apply.

Mathematics

2 answers:

netineya [11]3 years ago

6 0

Answer:

1, 4, 5

Step-by-step explanation:

This is the equation:

$\frac{h}{30} = quotient$

So because 1 and 4 are right because they both describe the quotient being of h and 30. 5 is right because fractions are really just the numerators divided by denominators (h÷30).

VLD [36.1K]3 years ago

4 0

Answer:

The answers are 4 and 5

Step-by-step explanation:

Please keep in mind that there is a specific order in division, multiplication, and subtraction. The order does NOT matter when it is addition. The reason it was wrong was because the order was incorrect. If you look at the fraction you'll see that the unknown number was in the numerator and the 30 was in the denominator. For the answers you must follow this order to get it correctly. If you look at the other answer ( i don't wish to offend in any way.) the person put 1 in there answer and it was out of order. By that I mean it put 30 first instead of the unknown number.

I hope this helped!

Have great day!

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Answer:

In a system, the substitution method is one of the 3 main ways to solve a system and can be very efficient at times.

<u>Skills needed: Systems, Algebra</u>

Step-by-step explanation:

1) Let's say we are given two equations below:

$y=4x \\ 4x-5y=-32$

We can use substitution here by substituting in for $y$ in the second equation. This means we put in $4x$ for $y$ in the 2nd equation so we only have $x$ variables in the equation, allowing us to solve for $x$ .

2) Solving it out:

$1) 4x-5(4x)=-32 \\ 2) 4x-20x=-32 \\3) -16x=-32 \\4)x=2\\5)y=4x = 4(2) = 8 \\ 6)y=8$

We essentially substitute in that value as seen in step 1. Steps 2 and 3 are just simplifying the left side and allowing for us to solve. Step 4 is where we divide by -16 on both sides to solve for x. Step 5 and 6 show us solving for y using the value for x. We get $x=2,y=8$