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NemiM [27]
2 years ago
10

Combine like terms to simplify 3x + 5 - 2x

Mathematics
2 answers:
ASHA 777 [7]2 years ago
8 0

Hi student, let me help you out! :)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

We are asked to simplify the expression

\star~~\large\pmb{3x+5-2x}.

\triangle~\fbox{\bf{KEY:}}

  • Combine like terms.

The like terms here are: 3x-2x; let's combine them:

\star~\large\pmb{x+5}

We can't simplify this any further, because x and 5 are not like terms.

\ddot\bigstar Remember this...

\fbox{Variables\:and\;numbers\;are\;not\;like\;terms}

Hope it helps you out! :D

Ask in comments if any queries arise.

#StudyWithBrainly

~Just a smiley person helping fellow students :)

Lyrx [107]2 years ago
5 0

Step-by-step explanation:

3x and 2x are like terms so,

3x + 5 - 2x

3x - 2x + 5 = x + 5

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3 years ago
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In a circle of radius 10 cm, a sector has an area of 40 (pi) sq. cm. What is the degree measure of the arc of the sector?
Rashid [163]

Answer:

144°

Step-by-step explanation:

First, find the area of the circle, with the formula A = \pir²

Plug in 10 as the radius, and solve

A = \pir²

A = \pi(10²)

A = 100\pi

Using this, create a proportion that relates the area of the sector to the degree measure of the arc.

Let x represent the degree measure of the arc of the sector:

\frac{40\pi }{100\pi } = \frac{x}{360}

Cross multiply and solve for x:

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x = 144

So, the degree measure of the sector arc is 144°

6 0
3 years ago
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Simplify 3^2 x 3^4 x 3^6 A3^10 B3^12 C3^48 D3^0​
kvasek [131]

Answer:

\boxed{\sf\: B)\:3^{12}}

Step-by-step explanation:

\sf 3^2\times \:3^4\times \:3^6

<u>Apply exponent rule:</u>

\hookrightarrow \boxed{\sf a^b\times \:a^c=a^{b+c}}

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Add the numbers:

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________________________________

7 0
2 years ago
Find the area of the parallelogram shown below and choose the appropriate result.
Lisa [10]

Answer:

The area of the parallelogram is 0.1875 mile² ⇒ D

Step-by-step explanation:

The formula of the area of a parallelogram is A = b1 × h1 = b2 × h2, where

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  • h1 and h2 are the heights perpendicular to these bases

In the given figure

∵ There is a parallelogram

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∵ the height of this base is 0.75 mile

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→ By using the rule of the area above

∴ The area of the parallelogram = 0.25 × 0.75

∴ The area of the parallelogram = 0.1875 mile²

∴ The area of the parallelogram is 0.1875 mile²

6 0
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Answer:

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A decimal cannot be a whole number so rounding to the nearest whole number means getting rid of the decimal. You do this by rounding up if it 5 and up, and rounding down if it is 5 and below. 380.5 means you would round up to 381. If it it were 380.4, you would round down to 380.

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