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erastova [34]
2 years ago
9

Combine like terms to create an equivalent expression 2s+ (-4s) pls help

Mathematics
1 answer:
pav-90 [236]2 years ago
5 0

The equivalent expression to 2s + (-4s) is -2s.

Step-by-step explanation:

Step 1:

In sums like these, it is easier to take the common term out of the simplification.

In the expression 2s + (-4s), the common term between 2s and -4s is the term s. So we take the term s as the common factor.

So taking s out of 2s + (-4s) we get s (2+(-4)).

Step 2:

If we multiply a positive with a negative we get a negative. S0 +(-4) = -4.

2s + (-4s) = s (2-4) = s(-2) = -2s.

So the equivalent expression to 2s + (-4s) is -2s.

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Answer:

x=67

Step-by-step explanation:

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3 years ago
Classify the polygons as regular or irregular, and concave or convex. HELP ASAP!! TWO PICTURES!!
mylen [45]

Answer:

First figure is regular and convex.

Second figure is irregular and convex.

Step-by-step explanation:

Here given 2 polygons we have to classify these whether these are convex, concave, regular and irregular.

Regular Polygon is the polygon which have all sides and all angles equal.

Convex Polygon is the polygon in which measure of all interior angles less than 180° and if measure of each of interior angle greater than 180° then it is concave.

In the first figure, all sides are equal therefore and each of interior angle of polygon is less than 180°. Hence, the polygon is regular and convex.

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6 0
2 years ago
5. a) Find the difference between the place values of two 5's in 95237508.​
gogolik [260]

Answer:

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Step-by-step explanation:

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second 5 = 500

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4 0
2 years ago
Divide.<br><br> (<img src="https://tex.z-dn.net/?f=%20x%5E%7B2%7D%20" id="TexFormula1" title=" x^{2} " alt=" x^{2} " align="absm
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6 0
3 years ago
A student is selling small and large frozen pizzas for a school fund-raiser.
dexar [7]

System of equations:

We'll need one equation for the amount of pizzas, and another for the total cost of the pizzas. In this case, x will represent small pizzas, and y will represent large pizzas.

3x + 4y = 100

x + y = 30

Solving the system of equations:

First, we need to solve for one variable in one equation.

x + y = 30

x = 30 - y

Then, we'll take our equation that is solved for x and plug it into the other equation from above.

3(30 - y) + 4y = 100

Next, we solve for y.

90 - 3y + 4y = 100

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Finally, we take our value for y and plug it back in to the very first equation and solve for x.

x = 30 - 10

x = 20

Answer:

The student has sold 10 large pizzas and 20 small pizzas.

Hope this helps!! :)

6 0
3 years ago
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