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bezimeni [28]
3 years ago
15

2n+2=16 find the value of the variable in each question

Mathematics
1 answer:
nekit [7.7K]3 years ago
8 0

Answer:

n=7

Step-by-step explanation:

subtract 2 from both sides

then divided both sides by 2

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The school will have to pay $18 for 15 dozen buttons how much will the school have to pay for 50 dozen buttons
nikitadnepr [17]

Answer:

It will cost the school $60

Step-by-step explanation:

In order to find this, set up a proportion.

$18/15 dozen = $x/50 dozen

Now cross multiply to solve

50 * 18 = 15 * x

900 = 15x

60 = x

4 0
4 years ago
If k represents a number, then write an expression for the ratio of 3 less than k to 2 more than k
Svetradugi [14.3K]

Answer:

k - 3 : k + 2

Step-by-step explanation:

3 less than k = k - 3

2 more than k = k + 2

Ratio of 3 less than k to 2 more than k

In ratios, the word 'to' is represented as a colon :

k - 3 : k + 2

Hope this helps :)

3 0
2 years ago
Pls help idk how to do it
barxatty [35]
I love your name it it so great

7 0
4 years ago
A parabola with vertex (h, k) and a vertical axis of symmetry is modeled by the equation y - k = a(x - h)2. Determine the vertex
Inessa05 [86]
<span>y - k = a(x - h)²

</span><span>y = (x − 5)² + 8 -------> y-8 = (x-5)²

</span>y - k = a(x - h)²
y - 8 =   (x - 5)²
Compare these formulas we can see that k=8, h =5.

Vertex (5,8).
5 0
4 years ago
1) Solve the following equation for x: 2x-5=7<br> A) 1 B) 6 () 24<br> D 4<br> 0 0 0 0
harina [27]

Answer:

x = 6

Step-by-step explanation:

Given

2x - 5 = 7 ( add 5 to both sides )

2x = 12 ( divide both sides by 2 )

x = 6

5 0
3 years ago
Read 2 more answers
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