Mathematics Middle School

4 divided by 10.2 =
Please help me

Answers

Answer 1
4 divided by 10.2 equals 0.3921568627

round to the nearest hundredth

0.39
Answer 2
that is equal to 2.55

Related Questions

The verbal expression of 1/8y

Answers

one eigth y is the answer

In a lab, a 30% acid solution is being mixed with a 5% acid solution to create a 10% acid solution. What is the ratio of the amount of the 30% solution to the amount of 5% solution used to create the 10% solution?
1:3
1:4
1:5
1:6

Answers

1:4 is the answer to the question.

Answer:

Option B. 1 : 4.

Step-by-step explanation:

In a lab 30% acid solution and 5% acid solution were mixed to prepare 10% acid solution.

We have to calculate the ratio of both the acids should be mixed to prepare 10% acid solution.

Let the volume of 30% solution was used = x ml

and the volume of 5% acid was used = y ml

Therefore the equation will form as

30%.x + 5%.y = 10%.(x + y)

0.30x + 0.05y = 0.10(x + y)

Now we transfer the similar terms in one side of the equation.

0.30x - 0.10x = 0.10y - 0.05y

0.20x = .05y

[tex]\frac{x}{y}= \frac{.05}{0.20}[/tex]

x : y :: 1 : 4

Therefore solutions will be mixed in a ratio of 1 : 4

Option B. 1 : 4 is the right answer.  

Can someone plz help me with this math problem.

Answers

ok, total was 20+6.25 or 26.25 % extra

fine 26.25% of 40

26.25% of 40 is
0.2625 times 40=10.50

total is 40+10.50=50.50

she spent $50.50 on her haircut

Which pair of points have equal X coordinates?

Answers

Q and R  has X = = -5

answer
first one
Q and R

The points T and S will have the same abscissa, and the points Q and R have the same abscissa. Then the correct options are A and D.

What is coordinate geometry?

Coordinate geometry is the study of geometry using the points in space. Using this, it is possible to find the distance between the points, the dividing line is m:n ratio, finding the mid-point of the line, etc.

The pair of points that have equal X coordinates that is abscissa will be

From the diagram, the coordinate of the points R, Q, S, and T will be

R ⇒ (-5, -7)

Q ⇒ (-5, 6)

S ⇒ (5, -6)

T ⇒ (4, 6)

The points Q and R have the same abscissa.

Then the correct options are A and D.

More about the coordinate geometry link is given below.

https://brainly.com/question/1601567

#SPJ2

What is 5.43+2.67 equal using front end estimation

Answers

Using front end estimation the answer is 5.43 plus 2.67 which means that we only round the first number so 5.43 is 5 and 2.67 is 3 which means the answer is 8

Find the sum.

− 5/8 + 3/4

Answer choices:

A. - 1 1/8

B. - 7/8

C. - 5/8

D. - 1/8

E. 1/8

F. 3/4

G. 1 1/2

Answers

the answer is A 11/8
E) 1/8 or (0.125 as a decimal.)

6x10 to the power of zero

Answers

Hello There!

6 x 10[tex] ^{0} [/tex] = 6.

Hope This Helps You!
Good Luck :)
Hello!

First, let's write the problem.
[tex]6\cdot \:10^0[/tex]
Let's solve the exponents first,
[tex]$10^0=1[/tex]
We would be left with,
[tex]=6\cdot \:1[/tex]
Multiply.
[tex]6\cdot \:1=6[/tex]

Our final answer would be,
[tex]=6[/tex]

You can feel free to let me know if you have any questions regarding this!
Thanks!

- TetraFish

What times what equals 19

Answers

Since 19 is prime, the only factors of 19 are 1 and 19.

So the answer is 1 and 19.

Hope this helped!
1) 1 times 19

nothing honestly makes 19 unless your doing distributive property. Like 2(6) + 7 that will make 19 but therefore 1 times 19 is the only thing in my opinion that equals 19.

How this helped!

Which of the following isn’t true?

Answers

D

6 - square root of 35 < 0

well 35 is an awk # so lets use 36 as a model
sq root of 36 is 6
6-6 is not less than 0
since sq root of 35 is less than 36, we know that sq root of 35 is less than 6 .

6 - (any number less than 6) will never be less than 0

The answer is d
Bc the equation subtracted would make the answer a negative

math question down below

Answers

In number for the equation is
9x=3/5
Instead of writing 3/5 as a fraction think of it as 3 divided by 5

To undue multiplication we divide
We can divide each side by 9 to isolate x
So the equation is now
x=3/5/9
3/5/9= .06666

So x=.06666
1/15 is equivalent to 1/15
So x=1/15

Emily collected this data about the number of miles she ran each day for ten days. She wants to keep track of the distance she runs each day. Which graph will give Emily the most accurate information? Day Number of Miles Run Day Number of Miles Run Monday 10 Saturday 5 Tuesday 14 Sunday 5 Wednesday 5 Monday 15 Thursday none Tuesday none Friday 10 Wednesday 5 A. B. C.

Answers

Bar graph. She can identify the miles she ran by the different bars on the graph. 

Evaluating expressions.


3. When she was 2 months old. Fiona weighed 101 pounds. She gained x pounds over the next week. Write an expression to find Fiona's new weight.

B. Evaluate the expression Fiona gained 12 lbs. during that week

4. Fiona's parents Henry and bibs, each produce p pounds of poop every day. Write an expression to find how much waste is produced in d days by the 2 hippos

B. Evaluate the expression Henry and bibi each produce 44 pounds of poop daily. How much do they create in 14 days?

Answers

3. 101 + x
B. 101 + 12 = 113 pounds
4. d(2p)
B. 14(88) = 1232

Hope this helps!! :)

Town A has 14,700 residents and covers 42 square miles. Town B has 58,000 residents and covers 116 square miles. Which comparison is accurate?

Answers

I'd say D or B. Hope this helps comrade.

Answer:

It is B the second option

Step-by-step explanation:

I got it right on edge 2021 :) I hope it is right and I hope you have a great day :D

Figure ABCD is a parallelogram with point C (3, −2). Figure ABCD is rotated 90° counterclockwise to form figure A′B′C′D′. What coordinate would be the output for point C'?

Answers

Refer to the diagram below

Point C (3, -2) is rotated 90° turn anticlockwise and the image is (2, 3).
Notice the red line that is rotated 90° anticlockwise. The final position is given in green line. 

Answer: (2,3) C’

Step-by-step explanation:

I took the test and got it right

A bus makes a stop at 2:30, letting off 14 people and letting on 5. The bus makes another stop ten minutes later to let off 4 more people. How does the number of people on the bus after the second stop compare to the number of people on the bus before the 2:30 stop?

Answers



Initially, it lets off 15 people but picks up 9, for a total change of losing 6 people.  If it lets off 4 more people, it has then lost 10 people total.

Senator Sano put 0.3 tsp of chocolate syrup in his milk. He tasted it and decided he needed more, so he mixed in 1.64 tsp more. How much chocolate syrup is in his milk? I think it's 4.92.

Answers

Since he has 0.3tsp, we add 1.64 to it to get 

 1.64
+0.3
____
1.94

Can anyone help me with this kinda stuck

Answers

its D. -23x+12 because
4 times 3 is 12
4 times -6x is -24x
-24x + x is -23x
12 + -23x is your answer

There were 340,000 cattle placed on feed. Write an equivalent ratio that could be used to find how many of these cattle were between 700 and 799 pounds. How many of the 340,000 cattle placed on feed were between 700 and 799 pounds?

Answers

2/5 = x/340,000

2 x 340,000 = 680,000

680,000 / 5 = 136,000

x = 136,000

136,000 cows were between 700 and 799 pounds


There were 340,000 cattle placed on feed

How many of the 340,000 cattle placed on feed were between 700 and 799 pounds?

Given the fraction of total cattle for 700 - 799 pounds is 2/5

Let x be the number of cattle between 700 - 799 pounds

We make a proportion using the fraction

[tex]\frac{2}{5} = \frac{x}{340,000}[/tex]

Cross multiply it and solve for x

340000* 2 = 5x

680000 = 5x

Divide by 5 on both sides

So x= 136,000

There were 136,000 cattle between 700 and 799 pounds

If the probability of rain is 0.87, what is the probability of NO rain?

Answers

The probability of no rain is .13 Probability should add up to 1.00 (100%)

A recipe calls for 2 1/2 cups of sugar. You have 2 1/3 cups of sugar. Do you have enough sugar? If not, how much more sugar is needed? Explain your answer

Answers

No not enough sugar I have
2 1/2 is more than 2 1/3 
For 1/2 (0.5) is more than 1/3 (0.333)
1/2 - 1/3 = 3/6 - 2/6 = 1/6
So we still need 1/6 of a cup of sugar

[Statistics and Probability] How to find if something is mutually exclusive given a sample space?

Answers

Also, not being mutually exclusive could be proven by showing there are values in the intersection: A ∩ B

To find if events A and B are mutually exclusive given a sample space, check if they can occur at the same time. If P(A AND B) = 0, they are mutually exclusive. If they share common outcomes, they are not mutually exclusive.

To determine if two events in a sample space are mutually exclusive, you need to evaluate if the two events can occur simultaneously. If two events, A and B, are mutually exclusive, this means that they cannot happen at the same time, and therefore the probability of A AND B occurring together, denoted as P(A AND B), is zero.

The perimeter of a rectangle is 24 feet. The length is 3 feet less than twice the width. Which of the following systems would be used to solve this problem ???

Answers

Alright, since the perimeter, by definition, is 2l+2w=24 in this case, we have to have that. In addition twice the width=2*width=2w, so 2w-3=l.

The system of equations are  24 = 2(l + w) and l = 2w - 3 option third is correct.

What is the area of the rectangle?

It is defined as the area occupied by the rectangle in two-dimensional planner geometry.

The area of a rectangle can be calculated using the following formula:

Rectangle area = length x width

Let l be the length and w be the width of the rectangle

By the formula of perimeter:

24 = 2(l + w)

l = 2w - 3 (The length is 3 feet less than twice the width)

The system of equations:

24 = 2(l + w)

l = 2w - 3

Thus, the system of equations are  24 = 2(l + w) and l = 2w - 3 option third is correct.

Learn more about the rectangle here:

https://brainly.com/question/15019502

#SPJ2  

how is the subtraction of integers related to the addition of integers?

Answers

They are both directly derived from the commutative and associative axioms as well as the re-arrangement property.

siobhan rounds 99,498 to the nearest thousand and gets 100,00

Answers

He's incorrect, it is rounded to 99,000. 4 or less, leave the mess.

peter bought 6 mangoes at $x each. He also bought a papaya for $5. Express the total cost of the fruits in terms of x.

Answers

6 times $x +5= X would be your aswer

What are the common factors of 12 and 24?

Answers

Common factors of 12 and 24 include 2,3,4,6, and 12
2,4,6,12 Correct Answers

what is 74.06 as mixed number?

Answers

Your answer would be 74 3/50
74.06 means there is a whole number 74 and 6/100 which could be further simplified into 3/50..Now since it can't be further sinpliefied.. The answer is
74 3/50
Hope this helped!!

How do I solve this and write it in scientific notation?

Answers

Answer: 5.222*10^(-3)

-------------------------------------
-------------------------------------

Explanation:

We need to change 5.01*10^(-3) so that the -3 turns into -4. The exponents need to match up so we can add up the bases. To go from -3 to -4, we subtract 1. In other words, we're moving in the negative direction to make the decimal move 1 spot to the left. To counter balance things, we move the decimal of 5.01 one spot to the right to get 50.1

This all means 5.01*10^(-3) is equal to 50.1*10^(-4)

Use a calculator to get
5.01*10^(-3) = 0.00501
50.1*10^(-4) = 0.00501
and we get the same decimal value

So the original expression
( 2.12*10^(-4) ) + ( 5.01*10^(-3) )
turns into
( 2.12*10^(-4) ) + ( 50.1*10^(-4) )

-------------------------------------

The exponents are now the same so we can add up the bases 2.12 and 50.1 
2.12+50.1 = 52.22

So, 
( 2.12*10^(-4) ) + ( 50.1*10^(-4) ) = 52.22*10^(-4)

Now convert to scientific notation
Move the decimal 1 spot to the left, we need to add 1 to the exponent to counter balance this
52.22*10^(-4) ----> 5.222*10^(-3)

The final answer is 5.222*10^(-3)

We can check the answer with a calculator
( 2.12*10^(-4) ) + ( 5.01*10^(-3) ) = 0.005222
which converts to 5.222*10^(-3)
This confirms the correct answer.

Find the LCM of 6 and 12

Answers

The lowest common multiple is 12

Which is a better approximation of the square root of20, 4.5 or 4.47

Answers

[tex] \sqrt{20} = 4.472135955 [/tex]

≈ 4.47 when rounded to the nearest hundredth    OR

≈ 4.5 when rounded to the nearest tenth

→ 4.47 is a better approximation since it contains a digit in the hundredth place rather than none at all.

Answer:

4.47

Step-by-step explanation:

Given : [tex]\sqrt{20}[/tex]

To Find : Which is a better approximation

Solution:

20 lies between two perfect squares i.e. 16 and 25

Square root of 16 = 4

Square root of 25 = 5

So, Square root of 20 must lie between 4 and 5

Using calculator

The [tex]\sqrt{20}=4.47[/tex]

Hence a better approximation of the square root of 20 is 4.47.

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