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Mars2501 [29]
2 years ago
8

What decimal number is halfway between 14 and 15?

Mathematics
2 answers:
Inessa05 [86]2 years ago
8 0
The answer to your question is14.5
MArishka [77]2 years ago
4 0
14+x=15-x\\\\x+x=15-14\\\\2x=1\ /:2\\\\x= \frac{1}{2} \ \ \ \Rightarrow\ \ \ 14+x=14+ \frac{1}{2} =14.5
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Alisha earned $12.40 mowing the lawn and $6.50 raking the leaves. How much money did she earn in all?
antoniya [11.8K]

Alisha kiếm được tổng cộng là 18.90 đô cho cả hai công việc

6 0
2 years ago
Write each quadratic expression in standard form. Draw a diagram if needed.<br> (x+4)(x-1)
12345 [234]

Answer:

The standard form of the quadratic equation is x² + 3·x - 4 = 0

Step-by-step explanation:

The standard form of a quadratic equation is a·x² + b·x + c = 0

Given that the expression of the quadratic equation is (x + 4)·(x - 1) = y, we can write the given expression in standard form by expanding, and equating the result to zero as follows;

(x + 4)·(x - 1) = x² - x + 4·x - 4 = x² + 3·x - 4 = 0

The standard form of the quadratic equation is x² + 3·x - 4 = 0

The graph of the equation created with MS Excel is attached

4 0
3 years ago
Write the number another way 200+30+7
kotykmax [81]
30+7+200, 7+30+200, 230+7, 207+30 200+37
5 0
3 years ago
A shirt originally cost $39.39, but it is on sale for $27.57. What is the percentage decrease of the price of the shirt?
IgorLugansk [536]

30 percent decrease

Step-by-step explanation:

looking at this i know its a percent decrease

so how do we find percent decrease ?

first we subtract the first value 39.39 & the final value 27.57

39.39-27.57 = 11.82

then we divide 11.82 by the first value

like this 11.82÷39.39 = 0.3000

then we multiply what we got by 100

0.3000×100= 30 percent

the way that most people mess up is when they divide sometimes they might do 39.39 divided by 11.82 instead of 11.82÷39.39.

3 0
2 years ago
Need help explain it to me I really don’t get it
baherus [9]

imma tell you this i honestly dont know either i never did thi in middle school

4 0
3 years ago
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