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alexandr402 [8]
3 years ago
12

Noah and Amelia are reading the same book. At the beginning of the month, Noah

Mathematics
1 answer:
mamaluj [8]3 years ago
5 0

Answer:

N=12t + 41 A+16t +13

Step-by-step explanation:

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Dorian buys 2 pounds of almonds for $21.98 and 3 pounds of dried apricots for $26.25. Which is less expensive per pound? How muc
ozzi

Answer:

The apricots are less expensive per pound.

Step-by-step explanation:

Cost of 1 pound of almonds = 21.98/2

Cost of 2 pounds of almonds = $21.98

So then you have to do 21.98 - 21.98/2. Which equals $10.99

Cost of 1 pound of dried apricots = 26.25/3

Cost of 3 pounds of dried apricots = $26.25

So then you have to do $26.25 - 26.25/3 which = $17.5 then divide that by 2 which equals $8.75.

To find out how much less expensive you have to find the difference, so to do that you have to do $10.99 - $8.75 = $2.24 per pound less expensive.

4 0
3 years ago
Mrs johnson grows herbs in square plots Her basil plot measures. 5. 9 yd on each side. A. Find the total area of the basil plot.
UNO [17]

Answer:

Area = 34. 81 yd^2

Perimeter = 86.6 feets

Step-by-step explanation:

Given the following :

Shape of Mrs. Johnson's plot = square

All sides of a square are of equal length

Measure of each side = 5.9 yd

A.) Area of plot

Area of plot = Area of a square

Area of a square(A) = a^2

Where a = side length

A = 5.9^2

A = 34.81 yd^2

B) Perimeter of Basil plot = Perimeter of a square

Converting yard to feet

1 yard = 3feets

Therefore,

5.9 yards = (3 * 5.9) = 17.7 feets

Fence is 2ft from the garden on each side,

Length of fence on each side = (2 + 17.7 + 2) Feets = 21.7 Feets

Perimeter of a square (P) = 4a

Where a = side length

P = 4 × 21.7

P = 86.6 feets

6 0
3 years ago
PLEASE EXPLAIN Find the area and perimeter of the rectangle whose sides are lengths 2x + 3 and 4x
SIZIF [17.4K]

Area = 4x(2x + 3) = 8x2 + 12x

Perimeter = 2(2x + 3 + 4x) = 12x + 6

4 0
3 years ago
How many pounds are there in 3 and 1 over 4 tons
artcher [175]

Answer:

3 1/4 = 6,500 tons

Step-by-step explanation:

8 0
3 years ago
Solve using a formula. Please don't guess, I would like professionals to take a look
Marianna [84]

<u>Let's take this problem step by step</u>:

<u>What we know:</u>

 x+y=4\\xy=-2

<u>Before we solve, let's do one thing that will help us out greatly later down the road</u>:

 x+y=4\\(x+y)^2=4^2\\x^2+2xy+y^2=16\\x^2+2(xy)+y^2=16\\x^2+2(-2)+y^2=16\\x^2+4+y^2=16\\x^2+y^2=20<---<em> useful equation</em>

<u>Let's rearrange the problem a little bit:</u>

 x+\frac{x^3}{y^2}+\frac{y^3}{x^2}  +y=\frac{x^3}{x^2} +\frac{x^3}{y^2}+\frac{y^3}{x^2}+\frac{y^3}{y^2}

<u>Combine fractions of common denominators</u>:

\frac{x^3+y^3}{x^2} +\frac{x^3+y^3}{y^2} =(x^3+y^3)*(\frac{1}{x^2}+\frac{1}{y^2}  )

<u>Now's let factor everything apart</u>:

 (x^3+y^3)=(x+y)(x^2-xy+y^2)\\\\\frac{1}{x^2}+\frac{1}{y^2}  =\frac{x^2+y^2}{x^2y^2}

<u>Let's use what we know and our </u><u><em>useful equation</em></u>:

 (x+y)*(x^2-xy+y^2)*(\frac{x^2+y^2}{x^2y^2} )\\=4*(x^2+y^2-xy)*(\frac{20}{(xy)^2} )\\=4*(20-(-2))*\frac{20}{(-2)^2} \\=4*22*5\\=440

The value is 440

<u>Answer: 440</u>

Hope that helps!

#LearnwithBrainly

6 0
2 years ago
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