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2 years ago

A store decreases the price of an item from 120 to 90. what is the percent decrease

Mathematics

1 answer:

vampirchik [111]2 years ago

8 0

There is a 25% decrease because the decrease is 30, which is 25% of 120.

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Soup A has 5 grams of sodium in every 12 cups. Soup B has 8 grams of sodium in every 13 cups. Which soup has more sodium per cup

andrew11 [14]

Answer:

Soup B has more sodium per cup.

Step-by-step explanation:

If we're doing sodium per cup, then we have to divide 5 by 12, and 8 by 13.

5÷12=~0.4 grams

8÷13=~0.6 grams

0.6>0.4

So B has more sodium per cup.

6 0

2 years ago

Whats -2(4k-7)=22-8k in Algebra

Andrei [34K]

Let's solve your equation step-by-step.

−2(4k−7)=22−8k

Step 1: Simplify both sides of the equation.

−2(4k−7)=22−8k

(−2)(4k)+(−2)(−7)=22+−8k(Distribute)

−8k+14=22+−8k

−8k+14=−8k+22

Step 2: Add 8k to both sides.

−8k+14+8k=−8k+22+8k

14=22

Step 3: Subtract 14 from both sides.

14−14=22−14

0=8

So, the answer is 0=8.

6 0

2 years ago

Janine has job offer sat two companies. One company offers a starting salary of 28,000 with a raise of 3,000 each year. The othe

DochEvi [55]

28,000 +3,000= 31,000 +3,000 = 34,000 +3,000 = 37,000 +3,000 = 40,000 +3,000 = 43,000 + 3,000 = 46,000

36,000 +2,000= 38,000 +2,000 = 40,000 +2,000 = 42,000 +2,000 = 44,000 +2,000 = 46,000

THE SALARY WOULD BE 46,000
IT WOULD TAKE 6 YEARS

I hope i did that right

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2 years ago

If you have 66 data observations in a sample, how many classes (bins) does the sturges' rule recommend for you to construct a fr

Iteru [2.4K]

According to Sturge's rule, number of classes or bins recommended to construct a frequency distribution is k ≈ 7

Sturge's Rule: There are no hard and fast guidelines for the size of a class interval or bin when building a frequency distribution table. However, Sturge's rule offers advice on how many intervals one can make if one is genuinely unable to choose a class width. Sturge's rule advises that the class interval number be for a set of n observations.

Given,

n = 66

We know that,

According to Sturge's rule, the optimal number of class intervals can be determined by using the equation:

$k=1+log_{2} n$

Here, n is equal to 66 and by substituting the value to the equation we get:

$k=1+log_{2} (66)$

k = 7.0444

k ≈ 7

Learn more about Sturge's rule here: brainly.com/question/28184369

#SPJ4

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6 months ago

Find the digit in the ones place in 1472

GREYUIT [131]

The digit in ones place is "2"

6 0

2 years ago