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2 years ago

PLZ HELP!!!!!!! Evaluate. 43−4÷2⋅5 20 40 54 150

Mathematics

2 answers:

vitfil [10]2 years ago

6 0

Isnt it 33 ////??? thats what i got.

kicyunya [14]2 years ago

5 0

4<span>÷2=2
2 x 5= 10
43-10=33
The answer is 33 according to the order of operations. Are you sure you didn’t read the problem wrong?</span>

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15 DVDs, 1/5 were documentaries. How many of the movies were documentaries

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Answer:

3 of the DVDs were documentaries.

Step-by-step explanation:

We know that at first, there were 15 DVDs in total.

Now, we need to find how much 1/5 of 15 DVDs were equal to.

1/5 of 15 is equal to the number 3.

So, that means our answer is 3 of the DVDs are documentaries.

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2 years ago

A survey revealed that 56% of the students at North Valley high school are involved with in a sports team. The survey also showe

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Answer:

The probability that a student who is involved in a sports team also participated in the prom dance = 0.1344

Step-by-step explanation:

56% of the students are involved in a sport team

56% = 0.56

According to the question, it is stated that 24% of the students at the school that are involved in a sports team also participated in the prom dance.

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This means that we are going to find 24% of the original 56%, since 24% of them also participated in the prom dance.

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3 years ago

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Weights of different sandwiches in two lengths are shown in the table.

Alexandra [31]

Answer:

Egg salad sandwich is proportional to its length

Step-by-step explanation:

Weight of Sandwiches by Length of Roll

6-inch Roll 12-Inch Roll

Cheese sandwich $\frac{1}{4}$ $\frac{3}{4}$

Chicken salad sandwich $\frac{3}{4}$ $1\frac{3}{4}$

Egg salad sandwich $\frac{2}{3}$ $1\frac{1}{3}$

For cheese sandwich proportion

$\frac{6}{\frac{1}{4}}=\frac{12}{\frac{3}{4}}\\24 \neq 16$

So, Cheese sandwich weight is not proportional to its length

For Chicken salad sandwich proportion

$\frac{6}{\frac{3}{4}}=\frac{12}{\frac{7}{4}}\\8 \neq \frac{48}{7}$

So, chicken salad sandwich is not proportional to its length

For Egg salad sandwich proportion

$\frac{6}{\frac{2}{3}}=\frac{12}{\frac{4}{3}}\\9=9$

So, egg salad sandwich is proportional to its length

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2 years ago