Can someone tell me if the following steps in the correct order or where I went wrong? In experimental studies, we follow a logical method to arrive at a conclusion. Arrange the given steps in the correct sequence. State a problem Make Hypothesis perform an experiment to collect data. Ask relevant questions Arrival at a logical conclusion. Compare with the baseline value of the control group. should I switch the last two around?

Answers

Answer 1

Answer: Yes, you should switch the last two. You must compare, before you reach a logical conclusion.

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If a/4 = 9/a, then
a²=36
4a = 9a
a + 4 = 9 + a
a - 4 = 9 - a

Answers

Answer:

Option A is correct.

The given expression : $(a)/(4) = (9)/(a)$ then;

$a^2 = 36$

Step-by-step explanation:

Given the expression: $(a)/(4) = (9)/(a)$

Cross multiplication the given expression following steps are as follow;

Multiply numerator of the left-hand fraction by the denominator of the right-hand fraction

Also, Multiply numerator of the right-hand fraction by the denominator of the left-hand fraction.

then, set the two products equal to each other.

Using cross multiplication, on the given expression;

$(a)/(4) = (9)/(a)$

First multiply the numerator of the left hand fraction(i.e,a ) by the denominator of the right hand fraction (i,e a)

we have;

$(a * a)/(4) = 9$

Simplify:

$(a^2)/(4) =9$ [1]

now, multiply numerator of the right-hand fraction( i.e, 9) by the denominator of the left-hand fraction (i.e, 4 ) in [1]

we have;

$a^2 = 9* 4$

Simplify:

$a^2 = 36$

Therefore, the given expression is equal to: $a^2 = 36$

The answer is a²=36

$(a)/(4) = (9)/(a)$
Multiply both sides of the equation by 4a:
$4a*(a)/(4) =4a* (9)/(a) \n a*a=4*9 \n a^(2) =36$

what is the answer to Jody has a rectangular piece of fabric 7/8 yard long and 4/5 wide. what's the area of the fabric? and Jody shares a piece with her friend what is the area of what each person gets?

Answers

Answer:

The area of the fabric is 7/10 square yards.

Each person will get 7/20 square yards.

Step-by-step explanation:

Length of the rectangular piece of fabric is 7/8 yards

and the width of the rectangular piece of fabric is 4/5 yards

Area of a rectangle is given by

Area = length × width

On substituting the known values, we get

$A=(7)/(8)*(4)/(5)\n\nA=(7)/(10)\text{square yards}$

Thus, the area of the fabric is 7/10 square yards.

Now it has been given that Jody shares the piece with his friend. It means that the area should be divided in two equal parts.

Hence, each person will get

$(1)/(2)*(7)/(10)=(7)/(20)$

Each person will get 7/20 square yards.

$A=\frac { 7 }{ 8 } \cdot \frac { 4 }{ 5 } \n \n =\frac { 28 }{ 40 } \n \n =\frac { 4\cdot 7 }{ 4\cdot 10 } \n \n =\frac { 7 }{ 10 }$

The area is 7/10 yards squared.

Divide this are between two:

$\frac { 7 }{ 10 } \cdot \frac { 1 }{ 2 } \n \n =\frac { 7 }{ 20 }$

Jody and her friend would each have 7/20 yards squared of the area.

Name the solid figure that has 3 rectangular faces and 2 triangular faces

Answers

The answer is triangular prism :D

How do I do a,b,c, and d?

Answers

the probability is 25% of each and it depends which part was ripped off

What is £56 divided in a ratio of 4:3?

Answers

In a ratio you must figure out the total number of parts. In this case we have a 4 part ratio and a 3 part ratio for 7 parts.

Each part of the ratio must be 1/7 of 56. So we divide 56/7 =8.

That means each part of the ratio is equal to 8.

We have 4 parts of the ratio that we must multiply by 8 4*8= 32
We have 3 parts of the ratio that we must multiply by 8 3*8 = 24

Therefore the ratio should be 32:24

(S^2 +r^2)^2

Please show me how you got the answer.

Answers

$(s^2+r^2)^2=s^4+2r^2s^2+r^4\n\n(a+b)=a^2+2ab+b^2$

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188= 45 - v = please help solve for v