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Ira Lisetskai [31]
3 years ago
15

7 + 8(3² -2) PLEASE SHOW ALL THE STEPS!

Mathematics
1 answer:
IrinaK [193]3 years ago
4 0

Answer

105

Step-by-step explanation:

first bring 3 to the second power and get 9

then you have 7+8(9-2)

then add 7+8 and get 15

then you have 15(9-2)

then subtract 9-2 and get 7

then you have 15(7)

then times them and get 105



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You are making sandwiches for a large party. Each sandwich has two slices of bread, one slice of turkey, two slices of cheese, t
Mazyrski [523]

Question:

You are making sandwiches for a large party. Each sandwich has two slices of bread, one slice of turkey, two slices of cheese, three slices of tomato and 5 slices of cucumber. How many sandwiches will you get from 10 slices of bread and 20 slices of cucumber? assuming you have plenty of everything

Answer:

4 sandwiches

Step-by-step explanation:

Given

1 Sandwich contains:

Bread = 2\ slices

Turkey = 1\ slice

Cheese = 2\ slices

Tomato = 3\ slices

Cucumber = 5\ slices

Required

Number of sandwiches from 10 slices of bread and 20 slices of cucumber?

Since we are to assume that every other thing is in abundance, we will only consider the unit amount of bread and cucumber

Bread = 2\ slices

Cucumber = 5\ slices

Express as ratio

Bread : Cucumber = 2 : 5

When the ratio is multiplied by 5, the slice of cucumber (25) will exceed the available slices (20).

So, we multiply by 4

Bread : Cucumber = 2*4 : 5*4

Bread : Cucumber = 8 : 20

This implies that:

8 slices of bread and 20 slices of cucumber are used

Hence:

4 sandwiches can be made

6 0
2 years ago
PLEASE HELP?!?!?!
lakkis [162]

Answer:

c. In 2 seconds, the commuter train travels 120 feet.

Step-by-step explanation:

Given

The attached graph

Required

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Represent this coordinate with (x,y)

From the graph:

x = 2 when y = 120

Note that:

x = time and y = distance

So:

(x,y) = (2,120)

Which means:

At 2 seconds, the train has travelled a distance of 120ft

<em>From the list of options, (c) is correct</em>

6 0
3 years ago
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Vlad [161]

Answer:

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Step-by-step explanation:

(100/80) x 27.6

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5 0
2 years ago
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Mkey [24]

Answer:

15\sqrt{5}

Step-by-step explanation:

3\sqrt{125}=3\sqrt{25*5}\\ =3\sqrt{25}*\sqrt{5}\\ =3*5*\sqrt{5}\\ =15\sqrt{5}

4 0
3 years ago
Help please!! <br> What is the domain of the function shown in the graph?
diamong [38]

Answer:

x ≥ - 1

Step-by-step explanation:

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