When simplifying an expression that contains no parentheses, you always multiply before you divide.True

or

False

Answers

Answer 1

Answer:

Answer:

I think the answer is false I am not A 100%sure but most likely false

Step-by-step explanation:

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What's 49 to the power of 1/2?

Answers

Further explanation

We certainly already know that 49 = 7².

To be able to answer this question, let us use one of the following exponent properties.

$\boxed{\boxed{ \ (x^a)^b = x^(ab) \ }}$

$\boxed{ \ = (49)^{(1)/(2)} \ }$

$\boxed{ \ = (7^2)^{(1)/(2)} \ }$

$\boxed{ \ = 7^{2 * (1)/(2)} \ }$

$\boxed{ \ = 7^1 \ }$

Thus 49 to the power of ¹/₂ equals 7.

- - - - - - -

Now we relate rational exponents with the root form.

In general,

$\boxed{\boxed{ \ x^{(m)/(n)} \rightleftharpoons \sqrt[n]{x^m} \ }}.$

Especially for $\boxed{ \ x^{(1)/(2)} \ }$ will be $\boxed{ \ √(x) \ }$

Based on the above properties, 49 to the power ¹/₂ can be written as,

$\boxed{ \ (49)^{(1)/(2)} \ } \rightarrow \boxed{ \ √(49) \ }$

We state it as 'the square root of 49'.

Thus the result is $\boxed{\boxed{√(49) = 7 \ }}.$

Another example:

What's 100 to the power of ¹/₂ ? The answer is $\boxed{ \ √(100) = 10 \ }$

Learn more

Expression of a sum of cubes brainly.com/question/3638399
About complex numbers brainly.com/question/1658190
The expression value of the imaginary unit multiplication brainly.com/question/3189119

Keywords: 49 to the power of ¹/₂, 7, the exponent properties, the root form, the square root of 49, the power, rational exponents

By the use of exponent properties we get, 7 is 49 to the power of 1/2.

Let us use one of the following exponent properties.

(xᵃ)ᵇ = xᵃᵇ

$49^(1/2)$ = $(7^(2))^(1/2))$

2 * 1/2 = 2/2

= 1

7¹ = 7.

Therefore, 49 to the power of 1/2 is equal to 7.

Learn more about exponent here:

brainly.com/question/5497425

#SPJ6

Someone please help me . )):

Answers

got a calculator? all you do for #1 and #2 is multiply the two numbers and that is the value for x.
These problems are cross multiplication.
For the next two:
.25x = 6
divide both sides by .25
x = 24
NEXT ONE:
.49x = 12
divide both sides by .49
x = 24.48

Text me 810-620-2621 that's what I'm working on right now too

Aisha owns an apparel store. She bought some shirts and jeans from a wholesaler for $3,900. Each shirt cost $12 and each pair of jeans cost $28. If she sold the shirts at 70% profit and jeans at 125% profit, her total profit was $3,885. How many shirts and jeans did she buy from the wholesalers?

Answers

Let

x-------> the number of shirts

y------> the number of jeans

we know that

$12x+28y=3,900$ -------> equation $1$

If she sold the shirts at $70\%$ profit and jeans at $125\%$ profit, her total profit was $\$3,885$

$1.7*(12x)+2.25*(28y)=3,900+3,885$

$20.4x+63y=7,785$ -------> equation $2$

we have the following system of equations

$12x+28y=3,900$ -------> equation $1$

$20.4x+63y=7,785$ -------> equation $2$

using a graph tool

see the attached figure

The solution of the system is the intersection both graphs

the solution is the point $(150,75)$

that means

$x=150\ shirts\ny=75\ jeans$

therefore

the answer is

the number of shirts is $150$

the number of jeans is $75$

Let the number of shirts be x, and the jeans be y.

Total cost of shirts = 12x
Total cost of Jeans = 28y

This means that: 12x + 28y = 3900..........(a)

Selling price for Shirts 70% profit, means = 100% + 70% = 170% of the cost price

170/100 * 12x = 1.7*12x = 20.4x

Selling price for Jeans 125% profit, means = 100% + 125% = 225% of the cost price

225/100 * 28y = 2.25*28y = 63y

Total profit = 3885, remember total cost = 3900

Total selling price = 3885 + 3900 = 7785

20.4x + 63y = 7785..........(b)

12x + 28y = 3900.............(a)

20.4x + 63y = 7785...........(b)

Solving the simultaneous equation with a programmable calculator:

x = 150, y = 75

150 shirts and 75 jeans.

It is found that there is a relationship between the weight of an airplane and the maximum speed it can travel. The results were published claiming that a lighter airplane can travel faster. What is the problem with reporting the result this way?

Answers

Answer:

Missing data or correlation and causality

Step-by-step explanation:

The results of a hypothesis should always be very accurate and display the research data that allowed us to reach the presented result. The lack of data, correlation and causality do not give the search result credibility because it does not show the factors and variables that show that the result is correct. This is the problem of the result stated in the question. The result is that lighter aircraft can travel faster, but it does not say the data, nor the variables and situations that led to this conclusion.

planes could not go if the airplane is to heavy or slow so that is why they both matter

What precent of 14 is 4.34?

Answers

The answer is 31%.

Hope this helps.

X/100 x 14 = 4.34
X = 4.34 x 100/14
X= 31

Just answer the question dont play with me rn

Answers

I'm going to play with you rn.

To find the height of the tree, we can use trigonometry and the given information.

Let's denote the height of the tree as h.

1. We have the length of the shadow, which is 150 ft.

2. We also have the angle of elevation from the tip of the shadow to the top of the tree, which is 30°.

We can use the tangent function to find the height of the tree:

tangent(angle) = opposite/adjacent

In this case, the opposite side is the height of the tree (h) and the adjacent side is the length of the shadow (150 ft).

So, we can write the equation as:

tangent(30°) = h/150

Now, let's solve for h:

tangent(30°) = h/150

tan(30°) = h/150

√3/3 = h/150

Cross-multiplying:

3h = 150√3

h = 50√3

To find the approximate value, we can use a calculator:

h ≈ 50 * 1.732 ≈ 86.6 ft

Rounded to the nearest foot, the height of the tree is approximately 87 ft.

Therefore, the correct answer is option B: 87 ft.

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PLS HELP !!! a. 15 b. 1 c. 2 d. 11

I really need help on all of them, I will give out brainliest to one answer and ten points to both

When simplifying an expression that contains no parentheses, you always multiply before you divide.True or False

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Related Questions

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Further explanation

Learn more

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When simplifying an expression that contains no parentheses, you always multiply before you divide.True

or

False