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stiv31 [10]
2 years ago
5

How to step by step do the algebreic expression 7 + 5y, y = 2

Mathematics
2 answers:
Nikitich [7]2 years ago
8 0

Answer:

17

Step-by-step explanation:

If your trying to evaluate y=2 . . .

7 + (5) (2)  =17

(5)(2) Just multiply 5 and 2

= 10

Now your left with 7 + 10

7 + 10 is 17

Paraphin [41]2 years ago
7 0

Answer:

The answer is 17

Step-by-step explanation:

The first step to this equation is to plugin y (2) to the equation and multiply The next step is to add the 10 and the 7 to get a final answer of 17.

If you could give me brainiest that would be much obliged.

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Adam has x x dimes and y y nickels. He has no less than 18 coins worth a maximum of $1.50 combined. Solve this system of inequal
Dvinal [7]

Answer:

The number of nickles is 6  

The number of dims is 12 .

Step-by-step explanation:

Given as :

Sum of total number of dims and nickels coins = 18

The value of total combination = $1.50

Let The total number of dims = d

Let The total number of nickels = n

1 nickles = $0.05

1 dims = $0.1

<u>According to question</u>

Total number of dims and nickels coins = number of dims + number of nickels

Or, d + n = 18            .........1

And

$0.1 ×d + $0.05 ×n = $1.50

Or, 0.1 d + 0.05 n = 1.50            .........2

Now, Solving eq 1 an eq 2

0.1 × (d + n) - (0.1 d + 0.05 n) = 0.1 × 18 - 1.50

Or, (0.1 d - 0.1 d) + (0.1 n - 0.05 n) = 1.8 - 1.50

Or, 0 + 0.05 n = 0.3

Or, 0.05 n = 0.3

∴  n = \dfrac{0.3}{0.05}

i.e n = 6

So, The number of nickles = n = 6

Put the value of n int eq 1

∵ d + n = 18

Or, d = 18 - n

Or, d = 18 - 6

i.e d = 12

So, The number of dims = d = 12

Hence, The number of nickles is 6 and the number of dims is 12 . Answer

4 0
3 years ago
What is the average of these four dollar amounts to the nearest cent? $400 $323.69 $7,352 $19.99
agasfer [191]
Average=$(400+323.69+7352+19.99)÷4
=$2023.92
≈$2023.9
7 0
3 years ago
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If an angle’s measure is between 90° and 180° then it is said to be a(n)_______angle..
lana [24]

Answer: It is said to be an obtuse angle.

Step-by-step explanation:

Angles under 90 degrees are called acute angles.

Angles that are equivalent with 90 degrees are right angles.

Angles that measure more than 90 degrees but under 180 degrees are called obtuse.

Angle that have the same measure as 180 degrees are straight angle.

3 0
3 years ago
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What is 5x + 3y = 12 written in slope intercept form
Luba_88 [7]

Answer:

y=4-5/3x

Step-by-step explanation:

Rearrange and simplify.

6 0
2 years ago
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How to make 2700 and 600 a fraction
devlian [24]
I think I may be missing something ... I don't completely understand your question. 
All you need to make a fraction is two numbers and a bar.  The bar can be either
horizontal or slanty.  Then you write one number on top and the other number on
the bottom, and bada-bing, you have a fraction.

You can make fractions like

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                 27 / 6         
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             600 / 2700
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8 0
3 years ago
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