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GrogVix [38]
3 years ago
11

Please help guys asap i need help please help guys i need help

Mathematics
1 answer:
Viktor [21]3 years ago
3 0
Nope! This does not form a proportion. There is no variable so if you solve it...

72 = 42

^ As you can see, there’s nothing to cancel out.
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A boat is worth $8502 new
Shkiper50 [21]
A=8,502×(1−0.13)^(16)
A=915.86
3 0
4 years ago
A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were abse
lora16 [44]
Five half-full classes + three 3/4 full classes + 2 1/8 empty (which is 7/8 full) classes altogether give us 10 classes without 70 students. Let's assume that one class is x, so we can write it as:

5 * 1/2x + 3 * 3/4x + 2 * 7/8x = 10x - 70

After multiplying and changing it to decimals:

2,5x + 2,25x + 1,75x = 10x - 70
6,5x = 10x - 70     / - 6,5x (both sides)
0 = 3,5x - 70     / + 70 (both sides)
70 = 3,5x     / :3,5 (both sides)
x = 20

Check:

5 * 1/2 * 20 + 3 * 3/4 * 20 + 2 * 7/8 * 20 = 10 * 20 - 70
5 * 10 + 3 * 15 + 2 * 17,5 = 200 - 70
50 + 45 + 35 = 130
130 = 130

Correct - there are 20 students in each class (200 students overall)

Answer: There are 200 students in the school when no students are absent.
4 0
3 years ago
PLEASE HELP NOW! DUEEE SOONNNN
andrew-mc [135]

Answer:

6^3=6x6x6      3^6=3x3x3x3x3x3 .    5^4=5x5x5x5       4^5=4x4x4x4x4

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Solve the following equality. 7t+15>3t-13
alukav5142 [94]
7t + 15 > 3t - 13

Subtract 15 over to -13
Subtract 3t over to 7t

4t > -28

<em>t > -7</em>


4 0
4 years ago
Read 2 more answers
Write an equation (in slope-intercept form) of the line that passes through (0, 3) and (−5, 2.5).
Paladinen [302]

The equation of the line passing throught the points A(x_A,y_A) and B(x_B,y_B) has a form

\dfrac{x-x_A}{x_B-x_A}=\dfrac{y-y_A}{y_B-y_A}.

Now the equation of the line passing through points (0, 3) and (−5, 2.5) is

\dfrac{x-0}{-5-0}=\dfrac{y-3}{2.5-3}.

Simplify it:

\dfrac{x}{-5}=\dfrac{y-3}{-0.5},\\ \\0.5x=5(y-3),\\ \\5x=50y-150,\\ \\x=10y-30,\\ \\10y=x+30,\\ \\y=0.1x+3.

This equation is in slope-intercept form.

Answer: y=0.1x+3.

5 0
4 years ago
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