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3 years ago

The table shows the prices for peanut butter sold in jars of different weights. Which size jar is the best buy?

Mathematics

1 answer:

aniked [119]3 years ago

5 0

Answer: 48 oz is the best buy

Step-by-step explanation:

You can get way more for cheaper considering 24oz costs $19.12 and if you do 24x2 you get 48 so if you buy 2 of the 24oz ones you have to pay $18.24

HOPE THIS HELPS ^^

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Sholpan [36]

Answer: x=60 degrees

Step-by-step explanation: This triangle is an equilateral triangle, meaning all angles are equal. Since a triangle is 180 degrees total, 180 degrees/3 angles= 60 degrees each angle.

3 0

3 years ago

Help need ASAP!! Thanks!! Length of a rectangle is 5 cm longer than the width. Four squares are constructed outside the rectangl

Basile [38]

Answer:

The perimeter of rectangle is $18\ cm$

Step-by-step explanation:

Let

x-----> the length of the rectangle

y----> the width of the rectangle

we know that

$x=y+5$ ----> equation A

$120=xy+2x^{2}+2y^{2}$ ---> equation B (area of the constructed figure)

substitute the equation A in equation B

$120=(y+5)y+2(y+5)^{2}+2y^{2}$

$120=y^{2}+5y+2(y^{2}+10y+25)+2y^{2}\\ 120=y^{2}+5y+2y^{2}+20y+50+2y^{2}\\120=5y^{2}+25y+50\\5y^{2}+25y-70=0$

using a graphing tool -----> solve the quadratic equation

see the attached figure

The solution is

$y=2\ cm$

Find the value of x

$x=y+5$ ----> $x=2+5=7\ cm$

Find the perimeter of rectangle

$P=2(x+y)=2(7+2)=18\ cm$

8 0

3 years ago

TODAY, Kyle has 11 pounds to lose to get to his goal weight. Tuesday he was 196 lbs. TODAY, he is down 3 lbs.

vredina [299]

I believe it could be weight today=193 goal weight=182

8 0

2 years ago

Write the following sentence using mathematical symbols. The product of 9 and x is less than or equal to -37

Kaylis [27]

Answer:

9x ≤ -37

Step-by-step explanation:

A product of a constant and a variable is indicted by writing the constant next to (typically, in front of) the variable. The symbol ≤ means "is less than or equal to". So ...

(the product of 9 and x) (is less than or equal to) -37

9x ≤ -37

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3 years ago

Which of the following shapes could be formed by taking a longitudinal section of a pyramid with a square base?

Tems11 [23]

I’m pretty sure it’s the last one! :)

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3 years ago