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matrenka [14]
3 years ago
5

I need help on this math worksheet:

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
5 0
I think you got it right
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Is the expression 2f + 4f + 2 – 3 equivalent to 6f – 1? 6f – 1 evaluated at f = 9 is 53. 2f + 4f + 2 – 3 evaluated at f = 9 is a
morpeh [17]
We have that

the expression 2f + 4f + 2 – 3-------> we can group it   (2f+4f)+(2-3)
(2f+4f)+(2-3)=(6f-1)
therefore
the expression [2f + 4f + 2 – 3] is equivalent to [6f-1]

if the expression [6f-1] for f=3 is 17
then
the expression [2f + 4f + 2 – 3] for f=3 is also 17

<span>let's check it
</span>[2*3 + 4*3 + 2 – 3]--------> [6+12+2-3]=[20-3]=17------> is ok
6 0
3 years ago
Read 2 more answers
Plz answer i'll give brainliest but it has to be right.
Alex17521 [72]
3 -3/4 and 2 pls brainlest
8 0
3 years ago
I need help asap. Evaluate Expressions
Anit [1.1K]

Answer:

1:

p-r/6=-6-(-6)/6=-6+1=<u>-</u><u>5</u>

<u>2</u><u>:</u>

<u>p-</u><u>(</u><u>m-n</u><u>)</u><u>=</u> -1-(-4-4)=-1-(-8)=-1+8=<u>7</u>

3:

(z+y)/2)3=(-5-4)/3=-9/3=<u>-</u><u>3</u>

<u>4</u><u>:</u>

m/6-n=6/6-6=1-6=<u>-</u><u>5</u>

5:

k³-h=3³-(-2)=27+2=<u>2</u><u>9</u>

6:

p-(p-(m-3))=5-(5-(4-3))=5-(5-1)=5-4=<u>1</u>

7:

(k)(k-j)+3=(5)(5-5)+3=5*0+3=<u>3</u>

8.

p²/6-q=6²/6-4=6-4=<u>2</u>

<u>9</u><u>;</u>

zx+3³=6*4+3³=24+27=<u>5</u><u>1</u><u>.</u>

<u>1</u><u>0</u><u>:</u>

<u>y</u><u>+</u><u>z</u><u>-</u><u>(</u><u>y</u><u>-</u><u>x</u><u>)</u><u>=</u>5+4-(5-2)=9-3=<u>6</u>

<u>S</u><u>o</u><u>m</u><u>e</u><u> </u><u>b</u><u>a</u><u>s</u><u>i</u><u>c</u><u> </u><u>r</u><u>u</u><u>l</u><u>e</u><u>s</u><u>:</u>

+. +. +=+

+. * +=+

+. ÷ +=+

+. - +=+

and

+. +. -=add and put sigh of greater one.

-. * +=-sigh

-÷-=+sigh

- - -=add and put - sigh

7 0
3 years ago
Read 2 more answers
Which graph represents the solution to the given system? y=4x+4 y=4x-3
Burka [1]

Answer:

Refer the attached figure.

Step-by-step explanation:

Given : System of equation y=4x+4,\ y=4x-3

To find : Which graph represents the solution to the given system?

Solution :

Equation y=4x+4 plotted with a red line passing through (-1,0) and(0,4).

Equation y=4x-3 plotted with a blue line passing through (0,-3) and(0.75,0).

As their slopes are equal i.e. m=4.

So, the equation of lines are parallel.

There is no solution of the equations.

Refer the attached figure of the equations.

4 0
3 years ago
Read 2 more answers
Point A is at (3, 2.6) and point B is at (3, 1.4) on a coordinate grid. The distance between the two points is ____. Input numbe
____ [38]

Answer:

1.2

Step-by-step explanation:

The x in each point is 3 so we can leave that alone.

Then we subtract.

2.6 - 1.4 = 1.2

7 0
3 years ago
Read 2 more answers
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