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Amiraneli [1.4K]
2 years ago
12

Describe two ways to simplify the expression 4x(3 + 2)

Mathematics
2 answers:
umka2103 [35]2 years ago
6 0

Answer:

20x

Step-by-step explanation:

Way 1: Simplify parentheses first:

4x (5)=20x

Way 2: Open parentheses:

4x (3+2) = 4x*3 + 4x*2= 12x+ 8x= 20x

topjm [15]2 years ago
4 0

Answer:

4x(3+2) = 12x + 8x = 20x

4x(3+2) = 4x(5) = 20x

Hope this helps!

Mark as brainliest plz

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Find an equation for the line with the given properties. Perpendicular to the line x - 6y = 8; containing the point (4,4) O 1) y
Pepsi [2]

Answer:

Option 3 - y=-6x+28

Step-by-step explanation:

Given : Perpendicular to the line x - 6y = 8; containing the point (4,4).

To Find : An equation for the line with the given properties ?

Solution :

We know that,

When two lines are perpendicular then slope of one equation is negative reciprocal of another equation.

Slope of the equation x - 6y = 8

Converting into slope form y=mx+c,

Where m is the slope.

y=\frac{x-8}{6}

y=\frac{x}{6}-\frac{8}{6}

The slope of the equation is m=\frac{1}{6}

The slope of the perpendicular equation is m_1=-\frac{1}{m}

The required slope is m_1=-\frac{1}{\frac{1}{6}}

m_1=-6

The required equation is y=-6x+c

Substitute point (x,y)=(4,4)

4=-6(4)+c

4=-24+c

c=28

Substitute back in equation,

y=-6x+28

Therefore, The required equation for the line is y=-6x+28

So, Option 3 is correct.

8 0
2 years ago
Plss help me and explaim too​
masya89 [10]

Answer:

a = b = 1

Step-by-step explanation:

The triangles are similar thus ratios of corresponding sides are equal, that is

\frac{10}{2} = \frac{5}{b} ( cross- multiply )

10b = 10 ( divide both sides by 10 )

b = 1

and

\frac{10}{2} = \frac{5}{a} ( cross- multiply )

10a = 10 ( divide both sides by 10 )

a = 1

Thus a = 1 and b = 1

3 0
2 years ago
Convert 30 days to weeks and days
Zepler [3.9K]

Answer:

4 weeks and 2 days

Step-by-step explanation:

There are 7 days in one week.

To convert 30 days into weeks and days, divide 30 by 7.

The biggest number you can divide it by is 4 [without going over 30]

7 x 4 = 28.

30 - 28 = 2.

So 30 days = 4 weeks and 2 days.

I hope this helps! :)

3 0
3 years ago
Read 2 more answers
Find the solution to the equation 30x +7= 9. Give<br> your answer as a fraction.
8090 [49]
X = 1/15
hope this helps
8 0
2 years ago
Read 2 more answers
Answer please!! <br> I really need help with thissssssssss! :(
andriy [413]

Answer:

It's the Best answer B

Step-by-step explanation:

Because yes is línea test

You no understand put the B answer friend

6 0
2 years ago
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