A L G E B R A how would you write this as an expression combine a number and 4?

Mathematics

2 answers:

wolverine [178]4 years ago

5 0

Answer:

The answer for this question would be x + 4

Step-by-step explanation:

This is an algebraic expression. Highlight the term word: "combine" and "a number". Combine symbolizes addition while a "a number" would be any variable of your choice.

IgorC [24]4 years ago

3 0

Answer:

x+4

Step-by-step explanation:

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What is the equation of a line that passes through the points (2,3) and (-6,1)

Tpy6a [65]

Answer:

y = 1/4 x + 5/2

Step-by-step explanation:

first we need to find the slope which is difference of the y's over difference of the x's. so (3-1)/(2-(-6)). ---> 2/8 ---> 1/4. the slope is 1/4.

pick one of the coordinates and plug in the y and x, solving for the y intercept. so:

3=1/4 * 2 + a

3=1/2 + a

a = 3 - 1/2

a = 5/2

so:

y = 1/4 x + 5/2

7 0

3 years ago

The picture below shows six quarters and two pennies. If this was broken down into two separate groups, what would be the equiva

Lyrx [107]

Using proportions, it is found that the equivalent ratio to six-seconds would be of 3 to 1.

<h3>What is a proportion?</h3>

A proportion is a fraction of total amount, and the measures are related using a rule of three.

In this problem, six quarters are equivalent to two pennies. Dividing into two groups, there would be a penny in each group, and we want to find the amount of quarters.

The <em>rule of three</em> is:

2 pennies - 6 quarters

1 penny - x quarters

Applying cross multiplication:

$2x = 6$