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viva [34]
3 years ago
12

Do the following scenarios model the equation y=2x+5

Mathematics
1 answer:
natta225 [31]3 years ago
6 0

Answer:

Jerald had 2 times a number (x) of balloons for his party. His friend Oscar gave him 5 more as a gift. How much does he have (y)?

Step-by-step explanation:

Hope this helped :)

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Half of the students in an International School are Americans. One third of the remaining students are Europeans, and the rest a
Kazeer [188]

Answer:

450 students

Step-by-step explanation:

Let s = number of students

1/2 are Americans  1/2s are Americans

s -1/2s = number of students left

1/2 s = number of students left

1/3 of the students left are Europeans

1/3 (1/2s) = 1/6s  are Europeans

The rest are Australians = 150

Students = Americans + Europeans + Australians

   s          =   1/2s          +    1/6s    + 150

Combine like terms

s    = 1/2*3/3 *s + 1/6s +150

s = 3/6s + 1/6s +150

s = 4/6s + 150

Subtract 4/6s from each side

s -4/6s = 150

6/6s - 4/6s = 150

2/6s = 150

1/3s = 150

Multiply each side by 3

3* 1/3s = 150*3

s = 450

There are 450 students

3 0
3 years ago
Read 2 more answers
(1 + 9.8k)(2.8) simplified
o-na [289]

Answer:

<em>2.8 + 27.44k</em>

Step-by-step explanation:

<u>Algebraic Simplification</u>

The rules of algebra can be applied in some situations to make expressions simplified or expanded, according to the specific needs of each problem.

We are given the expression:

(1 + 9.8k)(2.8)

It's a sum and a product. We cannot add the independent term with the variable term, so we can only multiply the factor and the contents of the parentheses as follows:

(2.8)1 + (2.8)9.8k

Operating:

2.8 + 27.44k

5 0
2 years ago
Solve logarithmic equation
Maksim231197 [3]

Answer:

x=6

Step-by-step explanation:

ln 1=0

x-5=1

x=6

4 0
2 years ago
Read 2 more answers
The length of a rectangle is 6 cm and its area is (6x+18) Square centimeters what is an expression for the width
Ludmilka [50]

Answer:

x+3

Step-by-step explanation:

(6x+18)/6

Simplify

x+3

7 0
3 years ago
A perfect square is a number that has an integer square root<br><br> True or false
Sati [7]
This is true.
These are perfect squares: 4, 9, 25. These are not: 7, 8, 11
8 0
3 years ago
Read 2 more answers
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