All categories

3 years ago

Simplify the following expression. (3x−6)+(5x−5) PLEASE I NEED HELP

Mathematics

2 answers:

Tasya [4]3 years ago

5 0

Answer:

8x-11

Step-by-step explanation:

3x+5x=8x

-6+-5=-11

8x-11

Setler [38]3 years ago

5 0

Answer:

8x-11 hope nthisbelps sorry if im wrong

Step-by-step explanation:

You might be interested in

Find the area of the shaded polygons:

tigry1 [53]

Answer:

Step-by-step explanation:

Purple: This makes two trapezoids. A=(a+b)/2 times h

1st = (4+1)/2 x 1 = 2.5

2nd = (4+1)/2 x 3 = 5/2 x 3 = 2.5x3=7.5

Total = 2.5+7.5=10

Green: if you draw a line down the center, you can divide these into two more manageable triangles. A=1/2bh

1st = 1/2x2x2 = 2

2nd = 1/2x2x2 = 2

Total = 2+2=4

6 0

3 years ago

2x-8+x+17<br><br> Can anyone help?

Alona [7]

Answer:
X=10
AB=12
BC=27

Solution: solving the algebraic equation we get x=10, then plug in x for each of the equations separately

Hope this helps. Please mark brainliest!

6 0

3 years ago

Read 2 more answers

A random sample of 10 chocolate energy bars of a certain brand has, on average, 230 calories per bar, with a standard deviation

Troyanec [42]

Answer:

The confidence interval for the true mean calorie content is

$215$

Step-by-step explanation:

In this problem we know the mean and standard deviation fo the sample, so we can compute the CI like this:

$\bar{x}-t*s/\sqrt{n}< \mu$

We need to determine t for 10-1=9 degrees of freedom and 99% confidence level. We look up in the t-table and the value for t is 3.2498.

Then we can calculate the limits of the CI:

$\bar{x}-t*s/\sqrt{n}< \mu$

5 0

4 years ago

177,178,179,180,190,200,210,211,212,213 why this pattern?

xz_007 [3.2K]

Because it is least to greatest

8 0

4 years ago

Read 2 more answers

What is the gradient of the blue line

Annette [7]

Answer:

Step-by-step explanation:

gradient = diffrence in y / diffrence in x

= 4-0/5-4

8 0

3 years ago