I only need the first one ( 45% of 30) but please keep in mind that I do need help with the other two, but they are optional.
What is 45% of 30?
What is 40% of 175?
What is 20% of 60?

Zeng Jinlian was 91% of Robert Wadlow's 272 cm height, resulting in her being approximately 248 cm tall after rounding. Extreme heights can be caused by conditions related to the endocrine system.

The student has asked how tall was Zeng Jinlian, knowing that she was 91% of the height of Robert Wadlow, who was 272 cm tall. To calculate Zeng Jinlian's height, we need to take 91% of Robert Wadlow's height.

Growth to such extreme heights is often due to conditions affecting the endocrine system. For example, a tumor in the pituitary gland can lead to an overproduction of growth hormone, causing conditions like gigantism or acromegaly.

To find out how much Daniel would make if he worked for 5 1/4 hours, divide his earnings in 2 1/3 hours by the number of hours worked. Multiply the hourly rate by 5 1/4 to calculate the total earnings.

To find out how much Daniel would make if he worked for 5 1/4 hours, we need to determine his hourly rate first. We can do this by dividing the amount he earned in 2 1/3 hours ($18.20) by the number of hours he worked.

2 1/3 hours is equal to 7/3 hours. So, his hourly rate would be $18.20 / (7/3) hours.

To calculate how much he would make if he worked for 5 1/4 hours, we multiply his hourly rate by 5 1/4.

Let's perform the calculations:

The length of square tile is 7 inches

What is square?

A square is a four-sided polygon with sides that are all the same length and angles that are all exactly 90 degrees. The square's shape ensures that both parts are symmetrical if it is divided down the middle by a plane. The square is then divided in half, with the sides of each half being equal.

A square is simply a rectangle with an equal length and width. Since the length and width are equal, the area is still length x width, hence the correct formula is to find a number multiplied by itself that equals 49. 49 is a perfect square, so this is 7, because. If the number was challenging or you didn't know your squares, you could use your calculator to find 49.

Given: the area of square = 49 square inches

Formula used: area of square- side x side

Since,

area of square= side x side

=> area of square = side²

=>  49 = side²        [ given: area of square= 49 ]

=> √ 49 = side      [ by taking the square root both side]

=> 7 = side

since, the side of the square = length of the square

Length = 7 inches

So, the length of the square tile is 7 inches

To learn more about: area of square

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The equation of the perpendicular line in slope-intercept form is therefore y = -6x + 16.

To find the equation of the line perpendicular to x - 6y = 2 and passing through the point (2, 4), we first need to determine the slope of the given line. We can rearrange the equation into slope-intercept form, y = mx + b, by solving for y:

x - 6y = 2
-6y = -x + 2
y = (1/6)x - 1/3

The slope m of the given line is 1/6. The slope of the line perpendicular to it would be the negative reciprocal of 1/6, which is -6. Now, using the point (2, 4), we can substitute these values into the slope-intercept form and solve for y-intercept b:

4 = -6(2) + b
b = 4 + 12
b = 16

The equation of the perpendicular line in slope-intercept form is therefore y = -6x + 16.

After setting up the equation x + (x + 31) = 101, where 'x' is the number of times the student got dad wet, we find that x equals 35. This means the student hit dad 35 times and missed 66 times out of 101 squirts.

To solve the question, we can use algebra to set up an equation. Let's define 'x' as the number of times the student got dad wet with the hose. According to the problem, the number of times the student missed is '31 more than the number of times they got dad wet', so we will express this as x + 31. Combined, the times the student hit dad and missed adds up to 101 squirts in total, which gives us the equation x + (x + 31) = 101.

To find out how many squirts missed dad, we need to solve the equation:

This shows that the student got dad wet 35 times. To find the number of misses we take the total number of squirts (101) and subtract the number of hits (35), which leaves us with 66 misses.

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Answer:

She owes $63.06 in sales tax.

Step-by-step explanation:

Cost of Lamps =

23.59*3= $70.77

Sofa = $769.99

Add them

769.99+70.77

=840.76

Percentage

7.5/100 *840.76

= 63.057

She owes $63.057 to sales tax

If you need to round the answer of $63.057, it would be rounded to $63.06.

The length of the base b of the triangle is 22 meters.

To find the length of the base b of a triangle when the area A and height h are known, we can rearrange the formula for the area of a triangle:

[tex]\[ A = \frac{1}{2}bh \][/tex]

We want to solve for b, so we can rewrite the formula as:

[tex]\[ b = \frac{2A}{h} \][/tex]

Now, we can substitute the given values into the formula:

[tex]\[ b = \frac{2 \times 110}{10} \\\[ b = \frac{220}{10} \][/tex]

b = 22

So, the length of the base b of the triangle is 22 meters.

Mary has 95 apples. Distributing 9 apples per friend and keeping 5 for herself, the quotient is 9, and the remainder is 5. Mary has 10 friends.

Mary has 95 apples and wants to distribute them equally among her friends, giving each friend 9 apples. However, she decides to keep 5 apples for herself. This situation can be represented by a division problem with a quotient of 9 and a remainder of 5.

The division equation is expressed as[tex]\( D = (q \times d) + r \),[/tex] where \( D \) is the total number of apples (95), \( q \) is the quotient[tex](9 apples per friend), \( d \)[/tex] is the number of friends, and \( r \) is the remainder (5 apples Mary kept). Substituting the given values into the equation:

[tex]\[ 95 = (9 \times \text{number of friends}) + 5 \][/tex]

To find the number of friends, rearrange the equation:

[tex]\[ 90 = 9 \times \text{number of friends} \][/tex]

Solving for the number of friends:

[tex]\[ \text{Number of friends} = \frac{90}{9} = 10 \][/tex]

Therefore, Mary has 10 friends, and each friend receives 9 apples, with Mary keeping the remaining 5 for herself.

Learn more about remainder here:

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The probable question maybe:

Question: Mary has 95 apples. She wants to distribute them equally among her friends. If she gives each friend 9 apples and keeps the remaining 5 for herself, how many friends does Mary have?

Given statement: Division problem with quotient 9 and remainder 5.

Final answer:

To express Carter's claim appropriately, his running speed is 7.14 meters per second, calculated by dividing 100 meters by 14 seconds.

Explanation:

Carter claims he can run 10,000 centimeters in 14 seconds. To express his claim in more appropriate terms, we need to convert the distance from centimeters to meters and then calculate his average speed. There are 100 centimeters in a meter, so 10,000 centimeters is 100 meters.

Now, using the formula for speed which is distance divided by time, Carter's claimed speed would be:

Speed = Distance ÷ Time
Speed = 100 meters ÷ 14 seconds
Speed = 7.14 meters per second (m/s)

This can be compared to Olympic sprinters, such as Usain Bolt, who set the world record for the 100 meter dash with an average running rate above 10 m/s.