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inysia [295]
2 years ago
13

9) EASY POINTS WILL GIVE BRAINLIST TO BEST ANSWERS

Mathematics
2 answers:
Simora [160]2 years ago
7 0
1(5) + 4(X) = 25
5 + 4X = 25
subtract 5 from both sides
4X = 25 - 5
4X= 20
divide both sides by 4
X = 20/4
x=5
Each eraser cost 5$
ra1l [238]2 years ago
3 0
You bought a magazine for $5 and four erasers. you spent a total of $25.

Magazine cost: 5$ each
Eraser cost: X$ each

Total cost is the number of items (1 magazine) times the cost of each item (5$). We don't know the cost of each eraser, so we represent that using a variable, X.

1(5) + 4(X) = 25

5 + 4X = 25

subtract 5 from both sides

4X = 25 - 5

4X = 20

divide both sides by 4

X = 20/4

X = 5

Each eraser cost 5$
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All the prime numbers between 1 and 30​
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Answer:

2,3,5,7,11,13,17,19,23,29

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Triple my number add six and subtract twice my number my number plus three
Artist 52 [7]
<span>Given situations:
Let my number be X
=> Triple my number = 3x
=> add six = + 6
=> subtract twice my number = -2x
=> my number plus 3 = x + 3
now, that we simplify each given word phrase, we will now create our equation.
=> 3x + 6 – 2x =  x + 3
=> 3x – 2x  = x + 3 – 6
=> x = x – 3
=> x – x = -3
Where x will be cancelled out, thus, this statement is not valid.</span><span>

</span>



6 0
3 years ago
If a student answered 77 exam questions correctly out of 100, what fraction
deff fn [24]

Answer:

A

Step-by-step explanation:

Incorrect answers = 100-77=23

Percentage of 23 out of 100 is (23/100)*100 = 23%

7 0
3 years ago
A cake is made out of 2 identical trapezoids. Each trapezoid has a height of 11 inches and base of 9 inches and 14 inches . What
a_sh-v [17]

Answer:

Area is 126.5 inches^2

Step-by-step explanation:

Mathematically, to calculate the area of the trapezoid, we use the following mathematical formula;

A = 1/2(a + b) h

here, a and b represents the two parallel sides which is 9 and 14 inches here and h which is the height is 11

Plugging these values into the equation, we have

A = 1/2(9 + 14)11

= 1/2(23)11 = (23*11)/2 = 126.5 inches^2

8 0
3 years ago
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