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Varvara68 [4.7K]
3 years ago
7

Peter’s father told peter to buy four-tenths of a pound of chili powder. Each package is marked with its weight. What package sh

ould Peter guy?
Mathematics
1 answer:
erastova [34]3 years ago
5 0

Answer:

The weight of the package of chili powder is 181.44 g.

Step-by-step explanation:

Amount of chili powder = 4/10 pound

1 pound = 453.6 g

So,

4/10  pound = 4/10 x 453.6 = 181.44 g

The weight of the package of chili powder is 181.44 g.  

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kow [346]

1)\\\\\dfrac{-45}{-5}=45:5=9


2)\\(-2)(4)=-8\\(2)(-4)+-8\\-16:2=-8\\-16:(-2)=8\neq-8\\\\\text{All of the following expressions have the same value except}\ -16:-2.


3)\\-3^2=-3\cdot3=-9


(-2)^4=(-2)(-2)(-2)(-2)=16\\-2^4=-(2)(2)(2)(2)=-16\neq16\\(-2)(-2)(-2)(-2)=16\\2^4=(2)(2)(2)(2)=16\\\\\text{All of the following are equivalent except}\ -2^4.

3 0
4 years ago
How many variables should an experiment test at a time
Llana [10]

Answer:

One

Step-by-step explanation:

<em>Testing only one variable at a time lets you analyze the results of your experiment to see how much a single change affected the result. If you're testing two variables at a time, you won't be able to tell which variable was responsible for the result.</em>

<em>Hope this helps,</em>

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3 0
3 years ago
Solve the quadratic equation 3x2 -5x - 7 = 0 to 3sf
Sauron [17]

Answer:

2.57 or -0.907

Step-by-step explanation:

7 0
3 years ago
Three fair dice are rolled, one red, one green and one blue. What is the probability that the upturned faces of the three dice a
r-ruslan [8.4K]

Answer:   \dfrac{5}{9}

Step-by-step explanation:

When we throw a die , Total outcomes =6

When we throw 3 dice , Total outcomes = 6 x 6 x 6 = 216 [by fundamental counting principle]

Given : Three fair dice are rolled, one red, one green and one blue.

Favorable outcomes : When the upturned faces of the three dice are all of different numbers i.e. no repetition of numbers allowed

By Permutations , the number of favorable outcomes = ^6P_3=\dfrac{6!}{(6-3)!}=\dfrac{6!}{3!}=6\times5\times4=120

The probability that the upturned faces of the three dice are all of different numbers = \dfrac{\text{Favorable outcomes}}{\text{Total outcomes}}

=\dfrac{120}{216}=\dfrac{5}{9}

The probability that the upturned faces of the three dice are all of different numbers  is \dfrac{5}{9} .

7 0
3 years ago
hayley has x pieces of candy, hayden has 3 more than hayley, and you have twice as many as Hayden. if you have 38 pieces of cand
lapo4ka [179]

Answer:

The number of candies Hayley  has is  16 .

Step-by-step explanation:

The number of candies Hayley has = x

So, Number of candies Hayden has = (x + 3)

Then the Number of candies i have = 2(x + 3)

Also,according to the question:

2(x + 3) = 38

or, 2x + 6 = 38 ⇒    2x = 32

or, x = 32/2 = 16

⇒  x = 16

So, the number of candies Hayley  has is  x = 16 .

5 0
3 years ago
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