a farmer was on his tractor and drove by some chickens and pigs in his field he counted 30 heads and 84 legs

Answer:

81 square inches

Step-by-step explanation:

area of a square= s^2

Answer:

x*4+x*y

Step-by-step explanation:

Answer:

4x+xy

Step-by-step explanation:

Just multiply x to both terms:

x(4+y)

x*4 + x*y

4x + xy

Hope this helped :)

Step-by-step explanation:

surface area of cylinder is

2×pi×r (h+r)

2×22/7×2 (4+2)

88/7 (4+2)

75.4 cm square

Answer: EQUAL

Step-by-step explanation:

Just as you can do the same thing to both sides of an equation, you can do the same thing to both sides of a fraction.  15 = 5*3 and 21 = 7*3.  Thus, 5/7=15/21

Hope it helps <3 :)

Answer:

true 8 is the common

please follow me so I will follow you

Answer:

False

Step-by-step explanation:

Premise: 8n-1 = 2n+8

6n-1 = 8

6n = 9

n = 1.5 Since n must be an integer, this is an extraneous solution. The premise is false.

Answer:

81

Step-by-step explanation:

Set up a proportion to find how many total students there are [notice how females are on top and totals are on the bottom of the ratios]

[tex]\frac{4}{9}[/tex] = [tex]\frac{396}{x}[/tex] so cross multiply 4x = 396(9) so x = 891, if there are a total of 891 students and you need 1 teacher per 11 students then take 891/11 so you need 81 teachers.

You could set up another proportion 1/11 = x/891

If there are 396 female students, there are 81 teachers.

Suppose the  real measurements were "a" and "b"

Then their ratio will be formed as

[tex]\dfrac{a}{b} = \dfrac{p \times x}{q \times x} = \dfrac{p}{q}[/tex]

where  is a common factor (not 1)

This shows that to get the real measurements from the given ratio, we need to assume to have some factor possibly cancelled from both the numerator and the denominator.

Thus, a = px, b = qx

First, Set up a proportion to find how many total students there are

[notice how females are on top and totals are on the bottom of the ratios]

So, 4/9 = 396 / x

then, cross multiply

4x = 396(9)

so x = 891,

if there are a total of 891 students and we need 1 teacher per 11 students then take 891/11.

Thus, you need 81 teachers.

Also, we could set up another proportion 1/11 = x/891

Hence,  If there are 396 female students, there are 81 teachers.

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Answer:

(B) 10

Step-by-step explanation:

f(s) = 4 + s × 12

f(1/2) = 4 + (1/2) × 12

= 4 + 6

= 10

Answer:

10

Step-by-step explanation:

4 + s x 12

4 + (s x 12)

s = 1/2

substitute for s

4 + (1/2 x 12)

4 + 6 = 10

Answer:

Circle

Solve for circumference

C≈28.36

A Area

64

Using the formulas

A=πr^2

C=2πr

Solving forC

C=2√πA=2·√π·64≈28.35926

Step-by-step explanation:

Hope it is helpful.....

Answer:

6/10

Step-by-step explanation:

Answer:

3/5 = 0.6 = 6/10 = 9/15 = 12/20 = 18/30 = 21/35 = ...

Step-by-step explanation:

Multiply the numerator and denominator by the same number:

3/5 = 6/10 = 9/15 = 12/20 = 18/30 = 21/35 = ...

Also, you can divide 3 by 5 to get 0.6

the answer is x=8

I hope this helped

Answer:

-2

Step-by-step explanation:

(x + 2) ÷ 2 + (x + 4) ÷ 4 = 4

lcm is 6

(x + 2) ÷ 2 × 6 + (x + 4) ÷ 3 × 6 = 4

(x + 2) × 3 + ( x + 4) × 2 = 4

3x + 6 + 2x + 8 = 4

correct like terms

3x + 2x + 6 + 8 = 4

5x + 14 = 4

5x + 14 - 14 = 4 - 14

5x = - 10

5x ÷ 5 = -10 ÷ 5

x = -2

Answer

0.6

Step-by-step explanation:

here is the working out! Can i get brainliest

Answer:

Look at the image!!

Step-by-step explanation:

Hope this helps!!

Sorry for the bad righting XD

If you want to learn more search Mathisfun.com!!

Answer:

the value of x is 17 cm

Step-by-step explanation:

The computation of x is shown below:

Here we applied the pythagoreans theorem

x^2 = a^2 + b^2

x^2 = 15^2 + 8^2

X^2 = 225 + 64

x^2 = 289

x = sqrt(289)

= 17

Hence, the value of x is 17 cm

Answer:

you can't really determine how much letters equal if there is not an equation but it represents variables that stand for integers  

Step-by-step explanation:

hope this helps have a good rest of your night :) ❤

Answer:

-$360.00 change

Step-by-step explanation:

Now there is either some information missing, like her starting total in the bank; or they want you to explain the net change.  But the way the question is worded it is stating she is paying $30 over 12 months.  This means she has paid $360.00 in that 12 months aka 1 year.  Her bank account should have had a balance.  So you could technically say B for balance.  B-30*12.  To get your answer.  Although there are many ways to write an equation expression of this question.  If you know the starting balance then it's better.  But you could assume her starting balance was $0.  Which would be 0-30M*12 where M could represent monthly.  And the same answer would occur of 360.  Is there more information?

30*12= X (x equals the total paid)

X-30*12 (if x is her balance before paying any money)

Answer:

The answer is 30

Step-by-step explanation:

Suppose the price per pack of tea is x and the price of coffee per pack is y

Then

[tex]6x = 4y \\ when \: 20y = 5 \times 4y = 5 \times 6x \\ = 30x[/tex]

We need 30 teabags to exchange for 20 coffee bags

Answer:

y = 2x + 16

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Answer:

The answer is B. Most of signers had some familiarity with law.

Step-by-step explanation:

Answer: The second one

Step-by-step explanation:

Answer:

second one

Step-by-step explanation:

Answer:

see explanation

Step-by-step explanation:

Using the cofunction identity

sec(90 - x)° = cscx° , then

7A = 90 - 5A ( add 5A to both sides )

12A = 90° ( divide both sides by 12 )

A = 7.5°

Answer:

Only student 2

Step-by-step explanation:

Answer:

∠J= 22°

JL=19.0137

KL=7.99

Step-by-step explanation:

The step-by-step is attached as a picture.  Hope it helps!  Feel free to message me if you have any questions in reference to this math problem.

The answer to the problem you sent me in the comments is attached to here too.  

She need to buy 10 oranges of $6.40.

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value. Unitary method is a technique by which we find the value of a single unit from the value of multiple devices and the value of more than one unit from the value of a single unit.

We are given that grocery store sells a bag of 7 oranges for $4.48. If Khloe spent $6.40 on oranges, then

We have to do as $4.48 divide by 7

4.48 / 7 =  $0.46

Therefore, Each orange costs $0.64

For 10 oranges;

$0.46 x 10 = $6.40

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Answer:

26

Step-by-step explanation:

m + 5q | Given

1 + 5(5) | Substitute the values

1 + 25 | Distribute (5(5) is the same as writing 5 × 5

26

The solution of m + 5q is 26, where m = 1, and q = 5.

Expressions is the defined as mathematical statements that have a minimum of two terms containing variables or numbers.

Arithmetic operations can also be specified by the subtract, divide, and multiply built-in functions.

The operator that perform arithmetic operation are called arithmetic operators .

Operators which let do basic mathematical calculation

+ Addition operation : Adds values on either side of the operator.

For example 4 + 2 = 6

- Subtraction operation : Subtracts right hand operand from left hand operand.

for example 4 -2 = 2

* Multiplication operation : Multiplies values on either side of the operator

For example 4*2 = 8

/ Division operation : Divides left hand operand by right hand operand

For example 4/2 = 2

Given expression as :

⇒ m + 5q

where m = 1, and q = 5

Substitute the values of m = 1, and q = 5 in the expression and apply the arithmetic operations

⇒ 1 + 5(5)

⇒ 1 + 25

⇒ 26

Hence, the solution of m + 5q is 26, where m = 1, and q = 5.

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Answer:

 C

Step-by-step explanation:

Answer:

NI and HN

Step-by-step explanation:

They are marked congruent by the small lines in the middle of each segment, indicating marks for congruency.

The expression that has a term with a coefficient of 6 is бу.

Option A is the correct answer.

An expression contains one or more terms with addition, subtraction, multiplication, and division.

We always combine the like terms in an expression when we simplify.

We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.

Example:

1 + 3x + 4y = 7 is an expression.com

3 + 4 is an expression.

2 x 4 + 6 x 7 – 9 is an expression.

33 + 77 – 88 is an expression.

We have,

The term "coefficient" refers to the numerical factor that is multiplied by a variable or variables in a term.

Out of the given expressions, only one has a term with a coefficient of 6, which is:

6y

Thus,

The expression that has a term with a coefficient of 6 is бу.

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