There are 35 ducks and pigs total on the farm. in total the number amount of legs they have among them is 98. assuming each duck has 2 legs and each pig has 4, how many ducks and how many pigs are in the field

Answers

Answer 1

Answer:

I believe there are 21 ducks and 14 pigs in the field

Answer 2

Step-by-step explanation

x+y=35

2x+4y=98

2x+2y=70

2x+4y=98

-2y=-28

y=14

x+14=35

x=35-14

x=21

21=ducks

14=pigs


Related Questions

Find the roots of the equation 9x^2-1-(3x -2)^2=0

Answers

Answer: 5/12

Step-by-step explanation:

Addison has a balance of $3,450 on her credit card that has an APR of 18%. She currently pays the minimum monthly payment of $86. 25. If Addison wants to pay off her balance in 24 months, determine the monthly payments she would need to make. Choose the following modification with the least cuts to her current expenses that will allow Addison to pay off her balance in 24 months. Income Wages $2,278. 00 Expenses Rent $950. 00 Utilities $232. 45 Food/Clothes $445. 00 Entertainment $270. 00 Car $200. 00 Credit Card $86. 25 Cell Phone $77. 89 Net Income $16. 41 a. Addison can eliminate $73 from Food/Clothes and $100 from Entertainment. B. Addison can eliminate $45 from Food/Clothes and $41 from Entertainment. C. Addison can eliminate $25 from Food/Clothes and $22 from Entertainment. D. The minimum payment is enough to pay off the balance within 24 months.

Answers

Addison needs to cut $45 from Food/Clothes and $41 from Entertainment, to pay the revised monthly payment.

It is given that

Addison has a balance of $3,450 on her credit card.

APR = 18%

Current monthly payment = $86.25

She wants to choose a monthly payment for 24 months.

So for 24 months,

A revised monthly payment using formula,

[tex]M = \frac{P.\frac{R}{12}. (1+\frac{R}{12} )^N }{(1+\frac{R}{12})N -1}[/tex]

R = 0.18

P = 3450

N = 24

Revised montly payment M = $172.24

Current monthly payment = $86.25

Difference = $86

So, she needs to cut the expenses by  $86

If she cut $45 from Food/Clothes and $41 from Entertainment, she can easily pay the revised monthly payment.

Therefore, Addison needs to cut $45 from Food/Clothes and $41 from Entertainment, to pay the revised monthly payment.

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Help me solve problem 7

Answers

Answer:

3-2r + 1 - 13

Step-by-step explanation:

3-2r + 1 - 13

Answers:

Compound inequality:  1 < x < 6Graph: Open hole at 1 and 6, shading in between (see diagram below)Interval notation:  (1,6)

=============================================

Work Shown:

3 < 2x+1 < 13

3-1 < 2x+1-1 < 13-1 .... subtract 1 from all sides

2 < 2x < 12

2/2 < 2x/2 < 12/2 ... divide both sides by 2

1 < x < 6

The value of x is between 1 and 6, excluding both endpoints.

Since we exclude both endpoints, the graph will have open holes at 1 and 6 on the number line. The shading is between the open holes. The graph is below.

Converting 1 < x <6 to interval notation leads to (1, 6)

The curved parenthesis in interval notation indicate "exclude the endpoint".

Tyler painted 9/2 square yards of wall area with 3 gallons of paint. How many gallons of paint does it take to paint each square yard wall?

Answers

Answer:

He would need 3/4 a gallon to paint the wall

Step-by-step explanation:

Solve the inequality

Answers

Answer :
t > 28
Hope this helped

Answer:

t > 28

Step-by-step explanation:

[tex]\dfrac{t}{4} > 7[/tex]

Multiply both sides by 4:

[tex]\implies t > 28[/tex]

What is the width of the prism?
2 ft
w
4 ft
Volume = 24 cubic feet

Answers

Answer:

3 ft

Step-by-step explanation:

(I assumed that this was a rectangular prism based on the dimensions given, but do correct me if I assumed incorrectly.)

The formula for finding the volume of a rectangular prism is: [tex]V=w*h*l[/tex]

In this case, we already know that the volume of the prism is 24, so we can plug 24 in for V:

[tex]24=w*h*l[/tex]

We also already know the height and the length because they gave it to us, so we can plug it in as follows:

[tex]24=w*2*4[/tex]

Then we can multiply 2 and 4 on the right side:

[tex]24=w*8[/tex]

Then, to get the w alone, we can divide by 8 on both sides:

[tex]3=w[/tex]

Now that gives us that the width of the rectangular prism is 3ft.

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-25=5/7x
5/7 is a fraction

Answers

Answer:

Hey! I have two answers for you. If x is next to the denominator of 7 then its  −1/35 but if x is next to the whole fraction then its just -35

Step-by-step explanation:

Please help with this question :)

Answers

CS = x, and since AB = BC = CD = DA = 1cm -> SD = 1 - x

We see that angle DSP = angle APQ (because they simultaneously equal to 90 when added angle DPS)

So, triangle DSP = triangle APQ (equal hypotenuse - square side and equal angle.)

Similarly, we can prove triangle SCE and QBE in the same way

So, all 4 of the triangles are equal to each other.

-> SD = CE = BQ = AP = 1-x

Calculate the area of 4 triangles : [ x(1-x) : 2 ] x 4 = x(1-x) x 2

Area (PQRS) = 1 - [ x(1-x)] x 2 = 1 - 2x + 2x(squared) = [tex]2x^{2} -2x + 1[/tex]

ii) Half area of PQRS = [tex]x^{2} -x+1[/tex]

= [tex]x^{2} -\frac{1}{2} x-\frac{1}{2} x + \frac{1}{2} = x(x-\frac{1}{2} )- \frac{1}{2}(x-\frac{1}{2} ) + \frac{1}{4} = (x-\frac{1}{2})^{2} + \frac{1}{4}[/tex]

We have : [tex](x-\frac{1}{2}) ^{2}[/tex]

has the smallest value of 0 -> The smallest half value of PQRS = 1/4 -> The smallest value of PQRS = 1/2

In a setting where a situation is described for which optimal parameters are sought, how do we develop a function that models the situation and use calculus to find the desired maximum or minimum

Answers

In order to develop a function that models the situation regarding the optimal parameters, the following are needed:

Introduce the variables.Find an equation relating to the variable.Maximize the quantity.Look that the critical points to determine the extrema.

Wnat is a function?

It should be noted that a function simply means the relation or expression that has to do with two or more variables.

In this case, to develop a function that models the situation regarding the optimal parameters, one has to introduce the variables and find an equation relating to the variable.

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0.5 is what percent of 20?

Answers

Answer:

2.5%

Step-by-step explanation:

Solving

Step 1: Set up an equation.

[tex]\frac{x}{100} *20=0.5[/tex]

Step 2: Simplify both sides.

[tex]\frac{20}{100}x=0.5[/tex] [tex]\frac{1}{5}x=0.5[/tex] [tex]0.2x=0.5[/tex]

Step 3: Divide both sides by 0.2

[tex]0.2x/0.2=0.5/0.2[/tex] [tex]x=2.5[/tex]

Therefore, 0.5 is 2.5% of 20.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

X=?

0.5

total from 20

what percentage is O.5 of 20

therefore X/100*20 = 2.5

Congruent Triangle are?

Answers

Answer:

Triangles that have exactly the same size and shape are called congruent triangles. The symbol for congruent is ≅. Two triangles are congruent when the three sides and the three angles of one triangle have the same measurements as the three sides and three angles of another triangle.

Answer:

have exactly the same size and shape

Step-by-step explanation:

triangles are congruent when they have three sides

Using the fact that cos(52) = 0.6157, find the measure of angle B if sin(B) = 0.6157.

Answers

Answer:  B = 38

===============================================

Work Shown:

If cos(A) = sin(B), then A+B = 90, where A & B are both acute angles in degree form.

In this case, A = 52, so,

A+B = 90

B = 90-A

B = 90-52

B = 38

Telling us that

cos(A) = cos(52) = 0.6157

sin(B) = sin(38) = 0.6157

cos(52) = sin(38)

50 POINTS!!!
SOLVE!!!!!!!!!!!

Answers

Answer:

Range of the function is {7,5,2,0}

Step-by-step explanation:

hope it helps you

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thanks

Answer:

{7, 5, 2, 0}

Step-by-step explanation:

The domain is essentially all the [tex]x[/tex] values of the function, where the range is the value of [tex]h(x)[/tex].

So in order to solve this we simply plug in each number into the equation and get:

[tex]h(x)=|-2-5| = |-7|=7[/tex]

[tex]h(x)=|0-5| = |-5|=5[/tex]

[tex]h(x)=|3-5| = |-2|=2[/tex]

[tex]h(x)=|5-5|=|0|=0[/tex]

Therefore the range is: {7, 5, 2, 0}

which expression is equivalent to 2×-17?


is it


A) -17+2×

B) -2×+17

C) -2×-17

D) 17+2×​

Answers

Answer:

B because based by what I'm seeing it is the same answer to the other equation. Which is -34.

Suppose an exponential function can be written in the form y=ab^x, and we know the common ratio b and some point (ℎ,k). True or false: The function can also be written as y=k·b^x-h.

Answers

Answer:

true

Step-by-step explanation:

y = ab^x

the coordinates of the point are x and y values.

so, we can express "a" by these values :

k = ab^h

a = k/(b^h) = k × b^-h

now we use this identity in the original equation and get

y = k × b^-h × b^x = k×b^(x-h)

and that is exactly the same as the proposed form.

which of these is the correct way to write 21000 in words?

Answers

Answer:

Twenty-one Thousand

Step-by-step explanation:

What is 1/4 of a 3.5 radius of a circle?

Answers

Answer:

Let us divide the circle into 4 equal parts because they have told that 1/4 th part so there are 4 equal parts because,fractions represent equal parts of a whole or a collection.

Let us take a circle with centre 'O'

Now, the 1/4th part of circle is a sector with angle 90° & radius 3.5cm

We can find the area of sector in 2 methods

Method 1 :

Formula :

Here , r is radius & θ is the angle in sector where θ is measured in degrees

Hence , area of sector = 9.6cm²

Method 2 :

Formula:

Here , r is radius & θ is angle in sector where θ is measured in radians

First we have to convert 90° into radians

We know that π radians = 180°

90 ° = π/2 radians

Substituting

Hence , area of sector = 9.6 cm²

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Steve has 12 biscuits in a tin.
There are 7 digestive, 2 chocolate and 3 ginger biscuits.
Steve takes two biscuits at random from the tin.
Work out the probability that he chooses two different types of biscuits.

Answers

Answer:

There are two patterns to chose two different biscuits; a digestive then a chocolate or a chocolate and then a digestive.

The probability of choosing a digestive then a chocolate is as follows:

7/12 * 5/11 =0.265

The probability of choosing a chocolate then a digestive is as follows:

5/12*7/11 = 0.265

Therefore the combined probability is 0.53 or 53%

Probability of digestive and chocolate

7/12×2/11=14/132=7/66

And

2/12×7/11=7/66

Probability of digestive and ginger

7/12×3/11=21/132=7/44

And

3/12×7/11=7/44

Probability of ginger and chocolate

2/12×3/11=6/132=3/66=1/22

Which interval on the graph could be described as linear constant?

Answers

can’t see the image not sure if it’s just me

You want to determine the probability that in a litter of 5 kittens, there will be more female than male kittens. Which describes one trial of a simulation you could use to model this problem?

Answers

The trial of stimulation that can model the probability of the gender of the kittens is tossing a coin five times and count the number of heads.

What is probability?

Probability simply means the chance of the occurrence of an event. It's the numerical description of how likely an event will occur.

In this case, from the complete question, the trial of stimulation that can model the probability is to toss a coin five times and count the number of heads. The gender of the kittens can be allocated to the head or tail of the coin.

This is important to determine the probability that in a litter of 5 kittens, there will be more female than male kittens.

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On the way to visit my aunt, I left my house and drove 15 miles up the freeway before remembering I left my wallet at home. I immediately exited the freeway and headed back in the opposite direction toward my house. However, 3/4th of the way back, I ran out of gas and my car stopped on the side of the freeway. What is my displacement?

Answers

Answer:

3.75 miles

Step-by-step explanation:

Displacement is the shortest distance from the initial to the final position. So to calculate you do 15 - (3/4 of 15) = 3.75

Courtney has 4/15 bags of flour o use in her donut shop. each bag of flour will make 12.5 batches of doughnut . how many batches of doughnuts willcourtney be ableto make

Answers

Answer: [tex]3\frac{1}{3}[/tex]

how do we calculate percentage that were increase​

Answers

Answer:

here you go

Step-by-step explanation:

First: work out the difference (increase) between the two numbers you are comparing.

Increase = New Number - Original Number.

Then: divide the increase by the original number and multiply the answer by 100.

% increase = Increase ÷ Original Number × 100.

Which model shows 764 = 4?

Answers

where are the models

Can somebody help me solve this The diameter of a cylinder is 1 yd. The height is 12 yd. What is the volume of the cylinder type you answer with yards

Answers

Answer:

9.42

Step-by-step explanation:

Volume of cylinder= πr^2h

3.14 × 0.5 × 0.5 × 129.42 cube.yd

Answer:

37.68 yd

Step-by-step explanation:

= [tex]\pi[/tex]r²h

= (3.14)(1)²(12)

= 3.14 x 1 x 12

= 3.14 x 12

= 37.68 yd

Rafael has bought 24 pounds of dog food. he feeds his dog 3/8 pounds for each meal. for how many meals will the food last?

Answers

Answer: 64 meals

3/8 = 0.375

24 ÷ 0.375 = 64

Identify the domain of the function show in the graph.
A.-1 <x <0
B.x>0
C.x is all real numbers.
D.-1 <x<1​

Answers

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[tex]

x \: \: is \: \: all \: \: real \: \: numbers.[/tex]

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Thus the correct answer is (( C )) .

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Complete the square for each expression. Write the resulting expression as a binomial squared. x^2-10x+_____

Answers

Answer:

[tex](x-5)^{2}[/tex]

Step-by-step explanation:

[tex]ax^{2} + bx + c[/tex]

Take the value for b, divide it by 2 and square it to get the value for c.

In this case, b = -10.

- 10 ÷ 2 = -5

-5^2 = 25

So x^2 - 10x +25 is your quadratic equation which is equal to

[tex](x-5)^{2}[/tex]


Need help asap please help

Answers

Answer:

20

Step-by-step explanation:

[tex] {x}^{2} = {16}^{2} + {12}^{2} [/tex]

[tex] { x}^{2} = 256 + 144[/tex]

[tex] {x}^{2} = 400[/tex]

[tex]x = 20[/tex]

If two witches were watching two watches, which witch would watch which watch?

Answers

Answer:

Wouldn't both of the witch watch whichever watch they felt like watching?

Step-by-step explanation:

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