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kramer
3 years ago
5

I need help on this problem (4x+8)+(7x+3)​

Mathematics
2 answers:
bonufazy [111]3 years ago
7 0

Answer:

\boxed{\bold{11x+11}}

Step-by-step explanation:

Remove Parenthesis: (a) = a

\bold{4x+8+7x+3}

Group Similar Terms

\bold{4x+7x+8+3}

Combine Similar Elements: \bold{4x+7x=11x}

\bold{11x+8+3}

Combine Numbers: \bold{8+3=11}

\bold{11x+11}

SpyIntel [72]3 years ago
4 0
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ You have to collect like terms

In other words, add together the values that have x in them and add together the values that don't

4x + 7x = 11x

8 + 3 = 11

The answer is 11x + 11

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

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4 0
2 years ago
For the function given, state the middle line; f(t) = 40cos (80t + 20)
Digiron [165]

In the standard form of the equation

\\ \ f(t)=Acos[b(t\pm c)]+k\\ \\

The middle line =k

For our given problem

f(t) = 40cos (80t + 20)

On comparison we get k=0

Hence middle line=0

8 0
3 years ago
Question on the photo
IrinaVladis [17]

Answer:

C

Step-by-step explanation:

Since it is only addition and subtraction, you can rearrange the order of the equations. This is what the three eqautions will look like after the arrangement:

1.6z + 8.3 z = ? (9.9z)

6.2y - 5.1y = ? (1.1y)

4.3x + 5.5x = ? (9.8x)

Then you just add and subtract.

8 0
3 years ago
Which line represents the linear equation
zzz [600]

Answer:

Pat a) The graph in the attached figure

Part b)  y=(4/3)x-5

The slope is  m=(4/3)

The y-coordinate of the y-intercept is  b=-5

Step-by-step explanation:

Part a) Which line represents the linear equation -3y=15-4x?

To graph the linear equation find the intercepts

we know that

The y-intercept is the value of y when the value of x is equal to zero

so

For x=0

-3y=15-4(0)

-3y=15

y=-5

The y-intercept is the point (0,-5)

The x-intercept is the value of x when the value of y is equal to zero

so

For y=0

-3(0)=15-4x

4x=15

x=15/4=3.75

The x-intercept is the point (3.75,0)

Plot the intercepts to graph the linear equation

see the attached figure

Part b) Rewritten in slope-intercept form

we know that

The equation of the line into slope intercept form is equal to

y=mx+b

where

m is the slope

b is the y-coordinate of the y-intercept

we have

-3y=15-4x

convert to slope intercept form

isolate the variable y

3y=4x-15

y=(4/3)x-5

The slope is  m=(4/3)

The y-coordinate of the y-intercept is  b=-5

4 0
3 years ago
Read 2 more answers
It takes you 0.8 of a minute to read each page of your health book. it takes you 5.5 minutes to take the test at the end. how lo
o-na [289]

Answer: 10.5 minutes

Step-by-step explanation:

Given: Time taken to read each page of health book = 0.8 minutes

Time taken to take the test at the end = 5.5 minutes

Let x be the number of pages of book to read, then time taken to read pages and take the test is given by :-

T(x)=0.8x+5.5

If we read 6.25 pages, then time taken to read 6.25 pages and take the test is given by :-

T(6.25)=0.8(6.25)+5.5=5+5.5=10.5\ minutes

5 0
3 years ago
Read 2 more answers
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