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Vinvika [58]
2 years ago
12

How do i find the area for number 4?

Mathematics
2 answers:
valkas [14]2 years ago
7 0

You can solve this in two different ways. In both ways, however, use the formula for the area of a square/rectangle. The formula is:

Area = Length x Width

A = L x W

To solve, divide the shape given into two rectangles. Then, find the areas of the two different rectangles and add them

ankoles [38]2 years ago
5 0
<h3>Answer:  41 cm^2</h3>

Explanation:

Form a horizontal line as shown below (see attached image). This forms 2 separate smaller rectangles

  • The bottom rectangle has area of 4*8 = 32 cm^2
  • The top rectangle has area of 3*3 = 9 cm^2

The total area is therefore 32+9 = 41 cm^2

You can say "square cm" or "sq cm" in place of the "cm^2".

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Child Health and Development Studies (CHDS) has been collecting data about expectant mothers in Oakland, CA since 1959. One of t
liraira [26]

Answer:

<em>A.) There is a 3.4% chance that a random sample of 50 expectant mothers will have a mean age of 26.5 years old or greater if the mean age for a first time mother is 26 years old.</em>

Step-by-step explanation:

The mean age for a first time mother is assumed 26 years old (null hypothesis) and <em>p-value</em> of the sample mean (26.5 years ) is found as 0.034.

This is the probability of having first time mother mean age 26.5 or greater <em>under the assumption of null hypothesis. </em>

3 0
2 years ago
Solve the equation for all real solutions.
horsena [70]

Can you reformat the question?

3 0
2 years ago
What is the value of y in the equation 6.4x + 2.8y = 44.4, when x = 3?
luda_lava [24]
I think the value of y would be 9
because if you put 3 in place of x the equation would be
6.4(3)+2.8y then you would simplify it to 19.2+2.8y
19.2-44.4=25.5
25.2/2.8=9 which is the value of y

answer=9
7 0
3 years ago
Read 2 more answers
Matt's den is 10 feet longer than it is wide. If the dents area is 231 square feet, what are the dimensions of the room?
sashaice [31]

Answer:

21\: \mathrm{feet\: by}\:  11 \: \mathrm{feet}

Step-by-step explanation:

(Assuming the den is a rectangle)

Let x be the length of the den. Because the length is 10 feet longer than the width, the width of the den can be represented as x-10.

The area of a rectangle is given as l\cdot w, therefore we can form the following equation:

x(x-10)=231

Expanding this, we have:

x^2-10x=231, \\\\x^2-10x-231=0

This factors into (x-21)(x+11)=0, therefore x=21, \: -11.

Because -11 is extraneous, the length of the den is 21 feet and the width is 21-10=11. Thus, the dimensions of the den are \fbox{$21\: \mathrm{feet\: by}\:  11 \: \mathrm{feet}$}.

5 0
3 years ago
Ms. Johnson and Ms. Siple were folding report cards to send home to parents. The
MrMuchimi
300 total / 5 cards at a time
=60 times they folded in the ratio

Ms. Johnson folds 2 cards at a time, if she folded 60 times, she folded 120 cards total.

Ms. Siple folds 3 cards at a time, if she folds 60 times, she folded 180 cards total.
8 0
3 years ago
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