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Alexeev081 [22]
2 years ago
10

Does anyone know what [-2/3 * (-5/7)] * (9/4) is?

Mathematics
1 answer:
Vlad1618 [11]2 years ago
4 0
Kkkkoaoaossoossospsjiioiiiiii
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Devon records 4 hours of reality shows on her DVR she records comedy shows for 3/8 of that amount of time. Devon watches all the
Alenkinab [10]

The number of half-hour sittings needed to watch all the shows by Devon is 11

<u>Solution:</u>

Given, Devon records 4 hours of reality shows on her DVR  

she records comedy shows for 3/8 of that amount of time.  

\rightarrow \frac{3}{8} \text { of } 4 \text { hours } \rightarrow \frac{3}{8} \times 4 \rightarrow \frac{3}{2} \text { hours }

Devon watches all the reality and comedy shows in half-hour sittings.

We have to find the number of half-hour sittings needed to watch all the shows

Now, number of half hour sittings is given as

=\frac{\text { total time of videos }}{\text { time for hlaf hour sitting }}

\begin{array}{l}{=\frac{4 \text { hours for reality shows }+\frac{3}{2} \text { hours for comedy shows }}{\frac{1}{2} \text { hours for each sitting }}} \\\\ {=\frac{4+\frac{3}{2}}{\frac{1}{2}}=\frac{\frac{8+3}{2}}{\frac{1}{2}}=\frac{\frac{11}{2}}{\frac{1}{2}}=\frac{11}{2} \times \frac{2}{1}=11}\end{array}

Hence Devon needs 11 sittings

3 0
3 years ago
Solve the system of equations by substitution
r-ruslan [8.4K]
We have y=2x and y=x+2
They both equal y, so substitute the first equation for y in the second equation.
2x=x+2
Let’s get x to one side. Let’s subtract x from both sides.
X=2
Since x=2, just plug in 2 for x.
2+2=4
So,
X=2
Y=4















6 0
3 years ago
Trapezoid ABCD is rotated on 180° about the origin. Draw the image A'B'C'D' of the given trapezoid and determine which of the fo
ICE Princess25 [194]

Answer: B, C, D

Step-by-step explanation:

since it is rotated, the parallel sides stay parallel.

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3 years ago
Use arrow notation to describe the translation of point PC-9, 5) to point P4-6, 7).
Akimi4 [234]
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3 years ago
A sauce recipe calls for 3 4 cup of chicken broth. To make enough sauce for a party, Marcy needs to triple the recipe. 3 4 (3) =
gavmur [86]

Answer:

77

Step-by-step explanation:

Marcy wishes to make sauce for the party that she is throwing at her house. The sauce is to be made by the chicken broth and it tastes delicious.

According to her the sauce recipe call for a 3/4 broth of chicken. Now to have enough sauce for tonight's party, Marcy have to triple the recipe as  3 4 (3) = ( 3 4 ) ( 3 1 ). So she estimated in order to triple the recipe she will need 77 cups of the chicken broth.

5 0
2 years ago
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