A farmer is dividing 128 eggs into 5 crates , how many eggs will go into each crate?

Answers

Answer 1

Answer: This is a division problem. You can use the standard algorithm of 128/ 5. Or you can create equal groups (draw five circles) and count out eggs until you distribute them all. I would start with 20 in each circle. That would be 20+ 20+ 20+ 20+ 20= 100 Then think 128-100= 28 Next count by 5's. 5+ 5+ 5+ 5+ 5= 25 Then think what is 28-25= 3 so 128/ 5= 25 with a reminder of 3 eggs left over.

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I need help with 2 math questions???

Answers

#1).
Surely, now that you're in middle school, you know that the volume of a cube is

   (the length of the edge)-cubed
OR
   (length of the edge) x (length of the edge) x (length of the edge) .

The length of the edge of the cube in the picture is 9-ft.
To find the volume of the cube, use the formula that I just reminded you of.

#2).
Twenty minus nine is written as (20 - 9).
Seven is written as (7) .
Their product is written as (20 - 9) x (7) .

To find the value of the expression:

Do the subtraction inside the parentheses: (20 - 9) = 11
So now the whole expression is
   (11) x (7)
Now do the multiplication:
   11 x 7 = 77

If you answer ALL questions listed, you get a good amount of points (3 questions, 5 points each, 15 points total) :D

1) Which pair are solutions to the equation?

4xy + 8 = 36

A.
(7, 1) and (3, 2)

B.
(1, 7) and (7, 1)

C.
(1, 7) and (4, 9)

D.
(4, 9) and (3, 2)

2)
Which of the ordered pairs in the form (x, y) is a solution of this equation?

5x - y over 3 = 13,
(2, -9) (3, -6)

A.
The first is not a solution, but the second is.

B.

Both are solutions.

C.

The first is a solution, but the second is not.

D.

Neither is a solution.

3)
Which ordered pairs in the form (x, y) are solutions to the equation

7x – 5y = 28?

Choose all answers that are correct.

A.

(−6, −14)

B.

(−1, −7)

C.

(4, 10)

D.

(7, 9

Answers

1)

$4xy+8=36\n4xy=28\nxy=7$

We know that each coordinate (x,y) must therefore multiply to equal 7. The only numbers that multiply to 7 are 7 and 1, so B) is the correct answer.

2)

For this one, just plug in the coordinates they give you for x and y and see if either one works:

$5x-(y)/(3)=13\ \ \ \ \ \ \ (2,-9)\n5(2)-((-9))/(3)=13\n10-(-3)=13\n13=13$

So the first one is a solution. Now plug in the second one:

$5x-(y)/(3)=13\ \ \ \ \ \ (3,-6)\n5(3)-((-6))/(3)=13\n15-(-2)=13\n17=13$

Therefore, the first is a solution and the second isn't making C) the correct answer.

3)

For this one, just plug in the ordered pairs they give you and see which ones end up working:

$7x-5y=28\n\nA. (-6,-14)\n7(-6)-5(-14)=28\n-42+70=28\n28=28\n\nB.(-1,-7)\n7(-1)-5(-7)=28\n-7+35=28\n28=28\n\nC.(4,10)\n7(4)-5(10)=28\n28-50=28\n-22=28\n\nD.(7,9)\n7(7)-5(9)=28\n49-45=28\n4=28$

A) and B) are the only ones that work out, so those are the correct answers.

1. 4xy+8=36

4xy=28

xy=7

2. 5(2)-(-9)/3=13

10-(-3)=13

13=13

5(3)-(-6)/3=13

15-(-2)=13

17≠13

3. 7(-6)-5(-14)=28

-42+70=28

28=28

7(-1)-5(-7)=28

-7+35=28

28=28

7(4)-5(19)=28

28-50=28

-22≠28

7(7)-5(9)=28

49-45=28

4≠28

Hope this helps... :)

What is -67=d+-18?i dont understand

Answers

-67 = d + -18 Add 18 to both sides
-49 = d Switch the sides to make it easier to read
d = -49

How much must be deposited today into the following account in order to have $ 65,000 in 8 years for a down payment on a house? Assume no additional deposits are made.An account with annual compounding and an APR of 4%
$
nothing should be deposited today.
(Do not round until the final answer. Then round to the nearest cent as needed.)

Answers

Answer:

$\$47,494.86$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+(r)/(n))^(nt)$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=8\ years\n A=\$65,000\n r=4\%=4/100=0.04\nn=1$

substitute in the formula above

$65,000=P(1+(0.04)/(1))^(1*8)$

$65,000=P(1.04)^(8)$

Solve for P

$P=65,000/(1.04)^(8)$

$P=\$47,494.86$

Final answer:

To have $65,000 in 8 years for a down payment on a house, nothing needs to be deposited today.

Explanation:

To find the amount that must be deposited today, we can use the formula for compound interest. The formula is given by:

A = P(1 + r/n)nt

Where:

A is the future value of the investment
P is the principal amount, or the initial deposit
r is the annual interest rate (expressed as a decimal)
n is the number of times interest is compounded per year
t is the number of years

We know that the future value (A) that we want is $65,000, the annual interest rate (r) is 4% or 0.04 (expressed as a decimal), the number of times interest is compounded (n) is 1 (since it's compounded annually), and the number of years (t) is 8. We need to find the principal amount (P).

Plugging the values into the formula, we can solve for P:

$65,000 = P(1 + 0.04/1)1 * 8

First, we simplify the fraction:

$65,000 = P(1 + 0.04)8

Next, we calculate the value inside the parentheses:

$65,000 = P(1.04)8

Finally, we solve for P by dividing both sides by (1.04)8:

P = $65,000 / (1.04)8

Using a calculator, we find that P ≈ $49,207.75. Therefore, to have $65,000 in 8 years for a down payment on a house, nothing needs to be deposited today.

Learn more about Compound interest here:

brainly.com/question/14295570

#SPJ11

Can someone please help with this ?

Answers

the answer is y= -2x

The answer is Y=-2x

'

What is the diameter of a circle with a radius of 3.5 cm?

Answers

The radius of a circle is the distance from the center point of a circle to the outer edge of the circle. The diameter is the distance between one point on the outside of a circle and a point on the other side, and the diameter passes through the center point.

Therefore, the diameter is just twice the radius.

We know the radius is 3.5 cm, so we can just multiply:

3.5 * 2 = 7

The diameter of a circle with a radius of 3.5 cm is 7 cm.
Hope that helped! =)

d=r*2
3.5*2=7
the diameter is 7 cm

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