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Aleksandr-060686 [28]
3 years ago
14

Pls help i dont know what to do

Mathematics
2 answers:
ad-work [718]3 years ago
7 0

Answer:

-26

Tip for solving related problems: use order of operations

8090 [49]3 years ago
6 0

Answer:

-26

Step-by-step explanation:

-5 x 7=-35

-35 + 9=-26

5/5=1

-26 x 1=-26

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At a restaurant, Brianna and Naomi each order an appetizer for $6.50 and an entree for $9.75. The sales tax is $0.98 and they le
laila [671]

Given :

At a restaurant, Brianna and Naomi each order an appetizer for $6.50 and an entree for $9.75.  

The sales tax is $0.98 and they leave a tip of $5.85.

To Find :

How much did Brianna and Naomi spend in all.

Solution :

Total expenses, T = Food + tax + tip

T = $( 6.50+9.75) + $0.98 + $5.85

T = $( 16.25 + 0.98 + 5.85 )

T = $23.08

Therefore, total expenses is $23.08 .

Hence, this is the required solution.

7 0
3 years ago
Shareenah has 2 paintings. The first painting is 1 3/8
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Answer:

3/4 meters

Step-by-step explanation:

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3 years ago
Mr. Brown makes a stack of boxes shaped like a rectangular prism. Each box has a volume of 1 ft. What is the total volume of the
schepotkina [342]
It could be done with two boxes how big is it
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3 years ago
Please Help <br> Write a system of linear Inequalities to represent each graph.
docker41 [41]

Answer:

\left\{\begin{array}{l}5x-y-7\le 0\\2x+3y-9\ge 0\end{array}\right.

Step-by-step explanation:

1. Blue region. The boundary blue line passes through the points (0,-7) and (3,8), then its equation is

\dfrac{x-0}{3-0}=\dfrac{y+7}{8+7},\\ \\15x=3(y+7),\\ \\5x=y+7,\\ \\5x-y-7=0.

This line is solid, so the sign for the inequality should be with the notion "or equal to".

From the diagram you can see that the origin belongs to the blue region, then its coordinates satisfy the inequality. Thus,

5x-y-7\le 0.

2. Green region. The boundary green line passes through the points (6,-1) and (0,3), then its equation is

\dfrac{x-0}{6-0}=\dfrac{y-3}{-1-3},\\ \\-4x=6(y-3),\\ \\-2x=3y-9,\\ \\2x+3y-9=0.

This line is solid, so the sign for the inequality also should be with the notion "or equal to".

From the diagram you can see that the origin doesn't belong to the blue region, then its coordinates satisfy the inequality. Thus,

2x+3y-9\ge 0.

3. The system of linear inequalities that represents these graphs is

\left\{\begin{array}{l}5x-y-7\le 0\\2x+3y-9\ge 0\end{array}\right.

6 0
3 years ago
A plane is at a height of 300m and is 500m away from the airport . How much distance will it travel to land at the airport?
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Answer:

800m brainlest mark me

Step-by-step explanation:

that's all I hope it's help

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