What is the square root of 169

Answers

Answer 1

Answer:13

Step-by-step explanation:

13^2


Related Questions

2. Multiply (-4)(-2)(-5). (5 points)
O
-40
O
-8
8

Answers

The answer is -40. (-4)(-2)=8
(8)(-5)=-40

Answer: -60

Step-by-step explanation: -4x-3x-5=-60...

Is there a difference between 6.780 and 6.78? Why or why not?

Answers

Answer:

Step-by-step explanation:

No there is no difference because in a decimal the zero's don't matter, they can go on infinitely but if the numbers above zero are the same and in the same order then the zero's don't make any difference.

is 4.5 times 10 to the negative 12th power in scientific notation

Answers

Answer:0.0000000000045

Step-by-step explanation:

move decimal to left 12 times , left since its negative

X+1
If g(x) =
X-2 and h(x) = 4 - X, what is the value of (g•h)(-3)?
8/5
5/2
15/2
18/5

Answers

Answer: the correct answer is: 8/5

Step-by-step explanation: just took the quiz.

36=q^2 Find the solution to the equation

Answers

Answer:

i think its 18

(also if you dont mind can you please help me with my question)

To answer your question it should be 18

In the expression 3v – 8, what is the variable?

Answers

Answer:

V is the variable

Step-by-step explanation:

Answer:a. v

Step-by-step explanation:

Given

Required

Identify the variable

Literary, variable means things that change in values;

Going by this definition, we have that:

3 -> This is not a variable because its value will always be 3

v -> This is a variable because its value can change once its value changes, the result of the expression will also change

- -> This is not a variable; it is an arithmetic operator to subtract

8 -> This is not a variable because its value will always be 8

Take for instance

When  

Notice that there's a difference in both results;

This is as a result of v being a variable

Step-by-step explanation:

A phone company charges a base fee of $12 per month plus an additional charge per minute. The monthly phone cost can be represented by this equation: = 12 + • , where is the additional charge per minute, and is the number of minutes used. Which equation can be used to find the number of minutes a customer used if we know and ? a. = C-12/a b. =(−12)− c. =−12 d. = −12

Answers

Answer:

-12

Step-by-step explanation:

i had got it right yay

Answer:

:)

Step-by-step explanation:

m=c-12/a

I had this on a test and I got it right


I need help with this

Answers

Answer: 1&3=29, 2&4=151

Step by Step:

What is 39,404,000 expressed in scientific notation?

Answers

Answer:

3.9404×10^7

Im not sure how to explain it.

Write an explicit formula for the sequence.
-20.-12.-4.4
An) = -20n - 8
O A(n) = -20 - 8n
A(n) = -20 + (n - 1)8
An) = n - 8

Answers

Answer:

I need help

Step-by-step explanation:

i need help showing my answer -7/12 + 1/2

Answers

Answer  -1/12

Step-by-step explanation:

-7/12 + 1/2 cannot be added until you change 1/2 into 6/12.

To change 1/2 to 6/12, you have to multiply 1/2 by 6 because you want the same denominator. Since you can't just make a whole new fraction by changing the denominator, you have to multiply the numerator by 6 as well.

After changing the fraction, you should get -7/12 + 6/12.

now you can just add the numerators and denominators together and get -1/12!

what is the value of x ?

Answers

Step-by-step explanation:

2(2x - 6) + 2(x + 3) = 26

4x - 12 + 2x + 6 = 26

4x + 2x -12 + 6 = 26

6x - 6 = 26

6x = 26 + 6

6x = 32

x =32/6

x = 5.3333

Answer:

Step-by-step explanation:

2(2x -6) + 2(x + 3) = 26

4x - 12 + 2x + 6 = 26

6x - 6 = 26

6x = 32

x = 32/6= 16/3

A rectangular rug has
perimeter 240 inches. The length is 12 inches more than twice the width. Find the length and width
of the rug.

Answers

Answer:

length= 84

width= 36

2120
Question #7MultipleChoice
Show Answer
Subtract the following fractions. (Reduce answers to lowest terms.)
3/10 - 1/4=
3/14
3/6
1/2
1/20

Answers

Answer:

1/20

Step-by-step explanation:

3/10 - 1/4

First, convert the fractions to a common denominator:

3/10 *2/2 = 6/20

1/4 * 5/5 = 5/20

Now put them back into the equation and solve:

6/20 - 5/20 = 1/20

Another way to do this:

3/10 - 1/4

Convert the fractions into decimals:

3/10 = 0.3

1/4 = 0.25

substitute back into the equation and solve:

0.3 - 0.25 = 0.05

convert back into fractions:

0.05 = 1/20

HELP HELP Point F is the midpoint of segment DE. DF = 2x+6 and DE = 2x+36. Find DE.

Answers

Answer:

since F is midpoint

DF= FE = 2x+6

DF +FE=DE

2x+6 + 2x+6 = 2x+36

4x + 12 = 2x+36

2x = 24

x=12

DE =2x+36 =2*12 + 36 = 60

Step-by-step explanation:

what is Z 2(2z -4)=4

Answers

Answer:

z=3

Step-by-step explanation:

2(2z -4)=4

Divide by 2

2/2(2z -4)=4/2

2z-4 = 2

Add 4 to each side

2z-4+4 = 2+4

2z = 6

Divide by 2

2z/2 = 6/2

z=3

A donut shop made 12 dozen donuts to give to a school’s math club.

Which expression represents how many donuts each student would get if the donuts were equally distributed and there were x
x
students in math club’s

Answers

Answer:

Number of donuts each student get = 144 / x

Step-by-step explanation:

Given:

Number of donuts = 12 dozen

Number of students = x

Find:

How many donuts each student get

Computation:

Total number of donuts = 12 × 12 = 144

Number of donuts each student get = Total number of donuts / Number of students

Number of donuts each student get = 144 / x

.what is formula to calculate sqare​

Answers

Answer:

Area = a2

a = length of side

A= area of size area=a2

The number of hot dogs Ryan can eat varies directly with the amount of time he spends eating. If Ryan can eat 14 hot dogs in 6 minutes, how many hot dogs can he eat in 15 minutes?

Answers

Answer:

35

Step-by-step explanation:

If I am not correct I'm sorry.

If Ryan can eat 14 hot dogs in 6 min then he should be able to eat about 35 hot dogs in 15 mins.

14/6= 2.333...

so 2.333... x 15 would equal 35

I hope this helps.

Answer:

Ryan can eat about 34.5  hot dogs in 15 minutes

Step-by-step explanation:

You first need to find how many hot dogs ryan eats in one minute. By doing this you need to do 14 divided by 6 and that will get you to 2.3

Than you need to take that 2.3 and muliply it by the 15 minutes and than that would get you to your answer of 34.5 hotdogs in 15 minutes

I hope this helped!

The following value is closest to what number? 292

Answers

Your round it to 300 so the answer is 300

can someone please help me .

Answers

The answer I got is r= -3.5

Given the following formula, solve for t.
V = u + at.
A. t= a(v – u)
B. t = v-u/a
C. t=v+u/a
D. t =a(v + u)​

Answers

So start manipulating the formula by adding/ subtracting/ multiplying/ dividing until you get the variable you want alone.
So
V=u+at
V-u=at
t= V-u/a
The answer is B.

What is this called? I’m trying to look up a video on how to do these.
y = - 7/2x -4

Answers

Answer:

linear equations, only when it is y=(equation with an x  

variable)) or x=(equation with an y  

variable), usually you tend to graph these.

How many protons would make up 9.435 x 10-22 g?

Answers

Answer:

Mass of proton (m) = 1.67×10^(-27) kg

Step-by-step explanation:

Mass of proton (m) = 1.67×10^(-27) kg.

Since, 1 kg = 1000 g

Therefore, m = 1.67x10^(-27+3) g = 1.67x10^(-24) g

Let N no. of protons be present in 1 g. Hence, Nxm = 1 g

So, N = 1 / m = 1 / (1.67x10^(-24))

N = 6x10^(23) (approx.)

Exact mass of proton gives N = 6.022 x 10^(23).

That is a very special no. In fact, it is the Avogadro’s constant used frequently in chemistry. Avogadro’s no. is actually the number of atoms in exactly 12 g of C-12 isotope of carbon. Since, the atomic mass of C-12 is 12 u (unified mass), then again the no. of carbon atoms turn out to be N.

Which of the following expressions is correct?

|-37| = 37
-|37| = 37
|-37| = -37
-|-37| = 37

Answers

Answer:

The first one is correct

Step-by-step explanation:

Absolute value (Anything that is inside the tabs) will always be positive, even if there is a negative sign in the number. If the number is already positive, it's still positive.

Answer:

the first one

Step-by-step explanation:

the negative sign is in the box

Simplify 3/100 +33/100, correct to 1 decimal place. ​

Answers

Answer:

Step-by-step explanation:

3/100+33/100=36/100=0.36≈0.4(round to one decimal place)

Can someone help me with number 7 and 8. Thank you

Answers

Answer:

Q7) ( 2,-2)

Q8) (- 0.5 , -2)

Step-by-step explanation:

As we have to find the mid-points of the line segments, the line segments will be divided in same ratio i.e. 1:1 (∵ A Mid-point divides a line segment into equal parts )

According to Section formula ,

[tex]( x' , y') = (\frac{mx^2 + nx^1}{m+n} , \frac{my^2+ny^1}{m+n} )[/tex]

where (m,n) are the ratios in which a line segment is divided & ( x¹ , y¹ ) ( x², y²) are the co-ordinates of a line segment.

In Q7 ,

x¹ = 3 , y¹ = -9 , x² = 1 , y² = 5 & m = n = 1

So putting the section formula here gives :-

[tex]( x' , y') = (\frac{1*1 + 1*3}{1+1} , \frac{1*5+1*(-9)}{1+1} ) = ( 2 , -2)[/tex]

In Q8 ,

x¹ = 5 , y¹ = -1 , x² = -6 , y² = -3

So putting the section formula here gives :-

[tex](x' , y') = (\frac{1*(-6) + 1*5}{1+1} , \frac{1*(-3) + 1*(-1)}{1+1}) = ( -0.5 , -2)[/tex]

Edwardo has $24 saved. If he saves $8 each week, how much money will he have in 5 weeks ?

Answers

Answer:

64$

Step-by-step explanation:

Ifshe saved 8$ each week then that would equal to 40

But by adding the 24$ already saved the total amount would equal to 64$

4 1/8 (3x−4)=33
pls find x thank you

Answers

Answer:x=3 2/3

Step-by-step explanation:

Answer:

the answer is 23.3

Step-by-step explanation:

Anyone? Know how to do this

Answers

Answer:1=£34.2

2=£66.6

3=£9.18

4=£13,158

Step-by-step explanation:

We are decreasing the prices by 10%

1.£38

£38 = 100%

? =90%

90×38÷100=£34.2

2.£74

£74=100%

? = 90%

90×74÷100=£66.6

We are increasing the the salaries by 2%

1.£9

£9=100%

? =102

102×9÷100=£9.18

2.£12900

£12900=100%

? =102%

102×12900÷100=£13,158

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