Can y'all please help me I need to answer ALL OF THIS ASAP!

Answers

Answer 1

Answer: 16. 8h = p 17. 288 = 18h, 16 = h. She is making $16/h, so if she works 11 hours making that same amount, 11(16) = p, she would make $176. 18. I’m not sure. 19. 24/60 = 0.4 x 100 = 40%. 20. I’m assuming you already solved it? 21. 30 x 0.63 = 18.9 22. 81 x 0.6 = 48.6 31. 40 x 0.55 = 22. Since the item is on sale for 55% this means the price decreased by $22, so 40 - 22 = 18, so Nicole payed $18. 32. 881.95 x 1.65 = $1455.22 33. 48300 x 1.38 = 66654 34. 442 x 1.35 = $596.7 35. 221/130 = 1.7 x 100 = 170 % This is all I’ll do for now, I’ll probably come back to do more if someone hasn’t by then, but I hope this helped. Just comment back on this if you have any further questions about the questions I answered :)

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As a skateboarder moves downhill, some of the energy of the skateboarder is

Answers

Answer:

Step-by-step explanation:

It has kinetic energy and potential energy

It has some kinetic energy

Explain how knowing 50 times 4 =200 helps you find 500 times 400.

Answers

Given -

50 times 4 =200

Find out the values of 500 times 400.

To prove

As given in the question

50 times 4 =200

i.e the above also written in the form as follows.

50 × 4 = 200

Now find out for 500 times 400.

500 times 400 is also written in the form as follows .

500 × 400 = 200000

Therefore the 500 times 400 is 200000.

Hence proved

To find 500 times 400 from 50 times 4 =200 : usecommutative, associative properties and place value

500 times 400 $\large{\boxed{\bold{=200000}}}$

Further explanation

There are 3 properties in arithmetic operations that can be applied to arithmetic operations, namely: commutative, associative , and distributive properties

Commutative properties are mathematical operations of two numbers that are exchanged and produce the same results

a + b = b + a = c

a x b = b x a = c

this property applies to addition and multiplication operations.

Associative properties are mathematical operations of 3 numbers by grouping 2 numbers with parentheses and the location of the grouping is exchanged with the result that remains the same

(a + b) + c = a + (b + c) = d

(a × b) × c = a × (b × c) = d

Distributive properties are mathematical operations with 2 different arithmetic operations, by distributing numbers grouped in parentheses.

a × (b + c) = (a × b) + (a × c) = d

In the digit system, the value of a number depends on its place, or position, in the number.

Each digit is different place value.

the place value of the digits in a number: hundred thousands, ten thousands, one thousands, hundreds, tens, ones, decimal points, tenths, hundredths, thousandths, ten thousandths, hundred thousandths

From the task:

use the previous problem (50 times 4 = 200) to help solve 500 times 400.

50 times 4 = 200

in the form of arithmetic operations

50 x 4 = 200

or in place value

5 tens x 4 ones = 2 hundreds

we can use associative and commutative properties

$(5*10)*4=200$

$(5*4)*10=200$

$=20*10=200$

so multiplication can be expressed in an interchangeable form because it has the same value

So to complete 500 x 400:

multiplying the whole numbers first then the zeros

The difference between first number operations and second number operations is the place value unit

500 x 400

= 5 hundreds x 4 hundreds

= 5 x100 x 4 x 100 (there are 4 times of 10)

= (5 x 4 x 10) x 10 x 10 x 10

⇒ (5 x 4 x 10) = from previous problem

= 200 x 10 x 10 x 10

$\large{\boxed{\bold{=200000}}}$

Learn more

the place value: 12,354,897

brainly.com/question/559183

brainly.com/question/840500

place-value patterns

brainly.com/question/98364

Keywords : place value, digit, number, times , commutative, associative

OutcomeProbability 0.25
0.25
0.25
0.25
Which is the expected value of the random variable with the given probability distribution?
a. 0
C. 1.5
b. 1

Answers

Answer: C. 1.5

Step-by-step explanation:

The point (-7,4) is reflected across the y-axis then across the x-axis. What are the coordinates of the reflected point?

Answers

There are two ways of reflection.

Along x-axis:

(x, y) – (x, -y)

Along y-axis:

(x, y) - (-x, y)

The coordinate of the reflectedpoint is (7, -4).

What is a reflection?

There are two ways of reflection.

Along x-axis:

(x, y) – (x, -y)

Along y-axis:

(x, y) - (-x, y)

We have,

The point (-7,4) is reflected across the y-axis and then across the x-axis.

This means,

(-7, 4) when reflected across the y-axis we get,

(-7, 4) = (7, 4)

Now,

(7, 4) is reflected across the x-axis.

(7, 4) = (7, -4)

Thus,

The coordinate of the reflectedpoint is (7, -4).

Learn more about reflections here:

brainly.com/question/12463306

#SPJ2

The reflected coordinates are (7,4) You can find this out by imagining a point on the left upper side in quadrant 2. Then, when you flip it to quadrant 1, both coordinates are positive!

Hope this helps! Pick me as Brainliest! PLEASE, PLEASE, PLEASE, PLEASE, PICK ME AS BRAINLIEST!!!!!!!

55 is 40% of what number?

Answers

40 over 100 and 55 over n cross multiply 55 x 100 and divide by 40.which gives you 137.5

55 is 40% of the number 275/2, or 137.5.

Due to smoking, a terminally ill patient loses his lung capacity approximately 2% every 4 months. At this rate, beginning at 100% capacity, what will the patient's lung capacity be in one year?

Answers

Answer:

94% lung capacity.

Step-by-step explanation:

Find the unit rate. Divide 2 by 4 which gets 0.5.

Take 0.5 times 12 (12 months in one year)

You should get 6.

Then, 100 minus 6 (because the patient loses capacity) therefore you should get 94.

Answer:

94.1%

Step-by-step explanation:

Convert that 100% to "1." Then:

Lung capacity as a decimal fraction) = C(x) = 1(1.00-0.02)^x, where x represents the number of 4-month periods.

After the first 4-month period, the lung cap should be 1(1.00-0.02)^1, or 0.98.

After the 2nd 4-month period, 1(0.98)^2, and

After the 3rd 4-month period, 1(0.98)^3, or 0.941

After 1 year (which is after three 4-month periods), the patient's lung cap has declined to 0.941 of its former maximum value (1), or 100%. 0.94 is equivalent to 94.1%.