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# 10 is %20 of what number

50 Because if you multiply 10 5 times it equals 100 percent.

## Related Questions

Posted in Mathematics

The following data values represent a population. What is the variance of the values? 8, 10, 14, 12 A.22 B.11 C.5 D.10

Variance is calculated by taking the differences between each number in the set and the mean, squaring the differences (to make them positive) and dividing the sum of the squares by the number of values in the set. We do as follows:

Mean = 8+10+14+12 / 4 = 11

Variance = (8-11)^2 +
(10-11)^2 + (12-11)^2 + (14-11)^2 / 4
Variance = 5 <-------OPTION C

Posted in Mathematics

Which one is bigger 60% of 90 or 1/2 pa 100?

60% of 90 = 90 * 0.60 = 54
1/2 of 100 = 100/2 = 50

So, as 54 > 50, 60% of 90 > 1/2 of 100

Hope this helps!

Posted in Mathematics

The soccer team voted on what they wanted to eat. there are 20 members on the team. six members voted for pizza, 10 voted for chicken, and the rest voted for hot dogs. which ratio represents the number of votes for hot dogs to chicken

Since there are 20 members in the soccer team. Then six members voted to eat pizza and 10 member voted to eat chicken and the rest is hotdog

Member voted for hotdog = 20 – 10 – 6 = 4

Ratio for hotdog to chicken is 10 : 4 or 5:2

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Posted in Mathematics

How to solve this problem 14-6= 10-6=?

I really don't think you wrote the question properly. Or maybe you did, but this question doesn't make any sense! :/

Posted in Mathematics

When simplified and written in standard form, which quadratic function is equivalent to the polynomial shown? 2 + 7c – 4c2 – 3c + 4 –4c2 + 4c + 6 –7c2 + 10c + 6 –4c2 + 4c + 8 –7c2 + 7c + 6

A) -4c^2 + 4c + 6

Step-by-step explanation:

The given polynomial is 2 + 7c – 4c^2 – 3c + 4

2 + 4 + 7c - 3c -4c^2

= 6 + 4c - 4c^2

Write it in a standard form

= -4c^2 + 4c + 6

Answer is A) -4c^2 + 4c + 6

Thank you.

Posted in Mathematics

A department store has a discount on shoes based on a percentage of the price suppose one pair of shoes is marked down from $70 to$49 what is the price for a $100 pair of shoes after the discount is applied We first need to find the difference between$70 and $49.$70 - $49 = 21 Now we find out what percent$21 is of $70. 21/70 × 100 = 30%. That means the discount is 30%! Now we must find 30% of$100, which is $30. Then we subtract$30 from $100.$100 - $30 = 70$

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Posted in Mathematics

1735/1000 is what in decimal form

To write 1735/1000 as a decimal you have to divide numerator by the denominator of the fraction.
We divide now 1735 by 1000 what we write down as 1735/1000 and we get 1.735 1735/1000 as a decimal equals 1.735

Posted in Mathematics

List 5 numbers with 6 in the tens place

Tens place is the second digit of a number from the right. So the first number from the right is the ones place, next is the tens place, then the hundreds place and so on. The example of 6 in the tens place are:

63

161

1,265

11,269

443,462

Posted in Mathematics

525.4 is 74% of what number

Let, that number = x
It would be: x * 0.74 = 525.4
x = 525.4 / 0.74
x = 710

So, the number would be 710

Hope this helps!

Posted in Mathematics

The public library has fewer than 4,000 books. Let b represent the number of books in the library. Which inequality describes the number of books? b < 4,000 b > 4,000 b ≤ 4,000 b ≥ 4,000

Answer:  The correct option is (A) b < 4000.

Step-by-step explanation:  Given that the public library has fewer than 4,000 books.

We are to select the inequality that describes the number of books in the library.

The number of books in the library is represented by b.

According to the given information, the inequality hat describes the number of books in the library is given by Thus, (A) is the correct option.

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Posted in Mathematics

Sophia is saving money for a new bicycle. The bicycle will cost at least $623. Sophia makes$8.22 per hour. Which inequality could be used find the number of hours Sophia needs to work to make enough money to buy a new bicycle? $8.22h >$623 $8.22h ≤$623 $8.22h ≥$623 $8.22h <$623

C. $623 Step-by-step explanation: We are given that Sophia is saving money for a new bicycle. The bicycle will cost atleast$623.

Sophia makes $8.22 per hour. We have to find the inequality that could be used to find the number of hours Sophia needs to work to make enough money to buy a new bicycle. Let Sophia works h hours to make enough money to buy a new bicycle. Sophia makes money per hour =$8.22

Total money made by Sophia in h hours = According to question $623 Hence, option C is true. Posted in Mathematics Solve for x. round to nearest tenth if needed. 1. 7r-7=2r+18 a.r=-5 b.r=5 c.r=2.2 d.r=1.2 2. 2x+12=18-x a.x=3 b.x=10 c.x=6 d.x=2 3. 8x-3=15x+18 a.x=-3 b.x=3 c.x=2.1 d.x=0.9 4. 6y-6=4y+16 a.y=2.2 b.y=-2.2 c.y=11 d.y=5 5. 3(x-4)=5(x+2) a.x=11 b.x=-11 c.x=1 d.x=-1 1) The answer is: [B]: r = 5 . __________________________ Explanation: __________________________ Given: 7r − 7 = 2r + 18 ; Round your answer to the nearest tenth, if necessary. ____________________________ Since "r" is the only variable given, let us assume we want to solve for "r" (instead of "x"). ___________________________ → Subtract "2r" from EACH SIDE of the equation; and & add "7" to EACH SIDE of the equation: _____________ → 7r − 7 − 2r + 7 = 2r + 18 − 2r + 7 ; to get: → 5r = 25 ; _____________ → Now, divide EACH SIDE of the equation by "5"; to isolate "r" on one side of the equation; and to solve for "r" : ______________ → 5r / 5 = 25 / 5 → r = 5 → which is: "Answer choice: [B]". _________________ Let us check our answer, by plugging in "5" for "r" in the original equation: _________________ → 7r − 7 = 2r + 18 ; → 7(5) − 7 =? 2(5) + 18? ; ______________________ → 35 − 7 =? 10 + 18 ?; → 28 =? 28? Yes! ______________________ 2) The answer is: [D]: x = 2 . _____________ Explanation: _____________ Given: 2x + 12 = 18 − x ; Solve for "x" (round to nearest tenth, if necessary). _______________ → Add "x" to EACH SIDE of the equation, & subtract "12" from EACH SIDE of the equation: → 2x + 12 + x − 12 = 18 − x + x − 12 ; ______________ → To get: 3x = 6 ; → Divide EACH SIDE of the equation by "3"; to isolate "x" on one side of the equation; and to solve for "x": _____________ → 3x / 3 = 6 / 3 ; → x = 2 ; which is: "Answer choice: [D]". ______________ Let us check our answer, by plugging in "2" for "x" in the original equation: ________________ → 2x + 12 = 18 − x ; → 2(2) + 12 =? 18 − 2 ? ________________ → 4 + 12 =? 18 − 2 ? ; → 16 =? 16? Yes! ________________________________ 3) The answer is: [A]: x = -3 . _____________ Explanation: ________________ Given: 8x − 3 = 15x + 18 ; Solve for "x". Round your answer to the nearest tenth, if necessary. _________________ → Subtract "8x" from EACH SIDE of the equation, & add "3" to EACH SIDE of the equation: _______________ → 8x − 3 − 8x + 3 = 15x + 18 − 8x + 3 ; to get: _______________ → 0 = 7x + 21 ; → Subtract "21" from EACH SIDE of the equation; _______________ → 0 − 21 = 7x + 21 − 21 ; to get: _______________ → -21 = 7x ; Now divide EACH SIDE of the equation by "7"; to isolate "x" on one side of the equation; & to solve for "x": _______________ → = -21 / 7 = 7x / 7 ; → -3 = x ; which is "Answer choice: [A]." _________________ Let us check our answer, by plugging in "-3" for "x" in the original equation: ________________ → 8x − 3 = 15x + 18 ; → 8(-3) − 3 =? 15(-3) + 18 ?; ________________________ → -24 − 3 =? -45 + 18 ? ; → -27 =? -27? Yes! ___________________________ 4) The answer is: [C]: y = 11 . _____________ Explanation: ____________ Given: 6y − 6 = 4y + 16 ; Solve for "y"; Round to the nearest tenth, if necessary. ____________ (Note: Since "y" is the only variable given; assume we are to solve for "y" instead of "x"). ____________ → Subtract "4y" from EACH SIDE of the equation, & add "6" to EACH SIDE of the equation; → 6y − 6 − 4y + 6 = 4y + 16 − 4y + 6 ; to get: _______________ → 2y = 22 ; Now, divide EACH SIDE of the equation by "2"; to isolate "y" one side of the equation; and to solve for "y" ; _______________ → 2y / 2 = 22 / 2 ; → y = 11 → which is "Answer choice: [C]". _______________________________ Let us check our answer, by plugging in "11" for "y" in the original equation: ___________________ → 6y − 6 = 4y + 16 ; → 6(11) − 6 =? 4(11) + 16 ? _______________________ → 66 − 6 =? 44 + 16 ? → 60 =? 60 ? Yes! __________________ 5) The answer is: [B]: x = -11 . _____________________ Explanation: _________________ Given: 3(x − 4) = 5(x + 2) ; Solve for "x". Round to the nearest tenth, if necessary. ___________ →Note the "distributive property of multiplication": _____________ a*(b + c) = ab + ac ; and: a*(b − c) = ab − ac ; _______________ → Let us expand EACH SIDE of our given equation. →Start with the "left-hand side": ____________ 3(x − 4) = (3*x) − (3*4) = 3x − 12; ______________________________ →Now let us expand the "right-hand side" of the given equation: ____________ → 5(x + 2) = (5*x) + (5*2) = 5x + 10 ; ______________ →Now, we can rewrite the original equation: _______________ → 3(x − 4) = 5(x + 2) ; by substituting the expanded values for EACH SIDE of the question: → 3x − 12 = 5x + 10 ; __________________ → Subtract "3x" from EACH SIDE of the equation; and add "12" to EACH SIDE of the equation: → 3x − 12 − 3x + 12 = 5x + 10 − 3x + 12 ; to get: ________________ → 0 = 2x + 22; → Now subtract "22" from EACH SIDE of the equation: ______________ → 0 − 22 = 2x + 22 − 22 ; to get: → -22 = 2x ; __________ → Divide EACH SIDE of the equation by "2"; to isolate "x" on one side of the equation; & to solve for "x" ; _____________ → -22 / 2 = 2x /2 ; → -11 = x ; which is "Answer choice: [B]". ______________ Let us check our answer, by plugging in "-11" for "x" in the original equation: ___________ → 3(x − 4) = 5(x + 2) ; → 3(-11 − 4) =? 5(-11 + 2) ? ; _______________________ →3(-15) =? 5(-9) ? ; → -45 =? -45 ? Yes! _____________________________________________ Hope these answers and explanations are helpful. Best of luck! Posted in Mathematics Mrs. Donley's math class has a total of 25 students. On Friday, the class was given an eight question quiz on fractions. The number of incorrect answers given by the students is shown below. Incorrect Answers Number of Students 0 5 1 7 2 4 3 6 4 2 5 1 What is the relative frequency of students that missed 1 question on the quiz? A. 0.28 B. 0.48 C. 0.35 You need to find the amount of students who missed one question, and divide that by the total number. If you sum all the students, you find that there are 25 students. From the chart, 7 missed 1 question, therefore the solution would be 7/25, which is 0.28, or A. A. 0.28 Posted in Mathematics Marcus finds that (3x^2-2y^2+5x)+(4x^2+12y-7x)= 7x^2-10y^2-2x What error did Marcus make? A: He combined the terms 5x and –7x incorrectly. B: He combined the terms 3x^2 and 4x^2 incorrectly. C: He combined the terms –2y^2 and 12y^2 incorrectly. D: He subtracted the polynomials instead of adding. we have Combine like terms therefore the answer is the option C He combined the terms and incorrectly ## Use our writing service to score better and meet your deadlines No matter what kind of academic paper you need, it is simple and secure to hire a writer for a price you can afford at StudyHawks. Save more time for yourself. Posted in Mathematics Your$1000 investment in an energy stock doubles. Your $1000 investment in a tech stock drops in half. What was the total return on the two investments? Total return, when measuring performance, is the actual rate of return of aninvestment or a pool of investments over a given evaluation period. Total returnincludes interest, capital gains, dividends and distributions realized over a given period of time. So the total return = (1000*2) + (1000/2) =$2500

Posted in Mathematics

A cone has a diameter of 10 inches. If its height is twice its radius, about what is the volume of the cone in cubic inches? Use 3.14 for π.

The volume of cone is given by:

V= Where r is the radius of cone and h is height

r=d/2 where d is the diameter

Hence, here r=5 in.

height is twice its radius ⇒ h=10 in.

V= V=261.66 in³

Hence, Volume of cone is:

261.66 in³

Posted in Mathematics

What is 4 10/7 as a improper fraction?

4 10/7 as an improper fraction in 38/7

Posted in Mathematics

What number is in the tenths place? 123.456

The 2 because starting from left to right it is hundreds hundreds, ten's, ones

Posted in Mathematics

What is the radius of a circle whose equation is (x – 7)2 + (y – 10)2 = 4? 2 units 4 units 8 units 16 units

Option (a) is correct.

The radius of circle with equation is 2 units.

Step-by-step explanation:

Given : The equation of circle as We haave to determine the radiusof th circle whose equation is given as .

Consider the gicen equation The standard equation of circle with centre (h, k) and radius r is given by Thus, Comparing the gicen equation h = 7 , k = 10 and r = 2

Thus, The radius of circle with equation is 2 units.

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Posted in Mathematics

A box has a length of 5 cm, a width of 10 cm, and a height of 2 cm. The volume of the box is

Volume of Cuboid = l * w * h
Substitute their values,

V = 5 * 10 * 2
V = 100 cm³

Hope this helps!

Posted in Mathematics

Square root of 85 is between what two consecutive number Posted in Mathematics

125% of what number is 264

Let, the number = x
x * 125 / 100 = 264
x = 264*100 / 125
x = 26400/125
x = 211.2