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Kipish [7]
3 years ago
5

Please help

Mathematics
2 answers:
babymother [125]3 years ago
5 0
It is a valid sample because the first eight people were selected to participate? (the first one)
Vsevolod [243]3 years ago
5 0

Answer:

the answer is b

Step-by-step explanation:

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the rectangle shown has a perimeter of 70cm and the given area. It’s length is 8 more than twice it’s width. Write and solve a s
vfiekz [6]

Dimensions of rectangle are:

Length = 26 cm

Width = 9 cm

Step-by-step explanation:

Perimeter of rectangle = 70 cm

Width= x

Length = 2x+8

We need to find the value of length and width of rectangle.

The formula used is:

Periemter\,\,of\,\,rectangle=2(Length+Width)

Putting values:

Periemter\,\,of\,\,rectangle=2(Length+Width)\\70=2(2x+8+x)\\70=2(3x+8)\\70=6x+16\\70-16=6x\\54=6x\\x=54/6\\x=9

So, Value of Width = x = 9 cm

Value of Length = 2x+8 = 2(9)+8 = 18+8=26 cm

So Dimensions of rectangle are:

Length = 26 cm

Width = 9 cm

Keywords: Perimeter of rectangle

Learn more about Perimeter of rectangle at:

  • brainly.com/question/6594923
  • brainly.com/question/1822996
  • brainly.com/question/2860697

#learnwithBrainly

6 0
3 years ago
Cicero and Themistocles run for the same political office. Cicero received w votes in the election, and
Serhud [2]

Answer:

Step-by-step explanation:

Cicero and Themistocles run for the same political office. Cicero received w votes in the election, and

Themistocles received v votes.

Which of the following expressions always represents how many more votes the winner received than the

loser?

The answer is B trust me

5 0
3 years ago
Read 2 more answers
Evaluate –4 – w for w = –7
yuradex [85]

i think the answer might be 3

4 0
3 years ago
Read 2 more answers
I’m confused on this
dexar [7]

\huge\boxed{x=25}

The mistake is in Step 1. The solver should have also squared 9 when squaring the other side of the equation.

<h3>Correctly solving</h3>

\begin{aligned}\sqrt{3x+6}&=9\\(\sqrt{3x+6})^2&=9^2\\3x+6&=81\\3x+6-6&=81-6\\3x&=75\\\frac{3x}{3}&=\frac{75}{3}\\x&=25\end{aligned}

4 0
1 year ago
Read 2 more answers
Mara had 7 cookies.She ate some Now she has 4 cookies. How many cookies did she eat? Draw a tape diagram
Leto [7]
She has eaten 3 cookies. 
And a tape diagram looks something like this. 

8 0
3 years ago
Read 2 more answers
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