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aniked [119]
3 years ago
9

4/5 + 3/15 - 2/3 please

Mathematics
1 answer:
Westkost [7]3 years ago
7 0

Answer:

1/3

Step-by-step explanation:

4/5 + 3/15

We first find a common denominator which will be 15.

Multiplying the top and bottom of 4/5, we have 12/15

12/15 + 3/15 = 15/15 = 1

1 - 2/3 is 1/3

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Jayne says that 0.45 is equal to 4/10 is she correct? Explain
MissTica

<span>
No, it is not correct.</span>

<span> </span>To compare this answer, do this<span>.</span>

<span>\frac{45}{100} is Jayne's 0.45 in fraction form.</span>

<span /><span>If you simplify it you get \frac{7}{20}</span>

<span><span>\frac{4}{10}≠<span>\frac{7}{20}</span></span></span>

6 0
4 years ago
Read 2 more answers
Triangle ABC is an equilateral triangle with side AB, BC, and AC. If side BC is equal to 10 cm what is the measure of side AC?
nordsb [41]

Answer:

AC = 10 cm

Step-by-step explanation:

We are givne with a triangle ABC is an equilateral triangle with side AB, BC, and AC. We are given that side BC is equal to 10 cm . We are required to find the measurement of side AC.

The basic property of any equilateral triangle is that all the sides are equal. Hence

AB = BC = CA

BC=10 cm

Hence, AB = 10 cm and also AC=10 cm

7 0
4 years ago
Read 2 more answers
The points (6,y) and (7,9) fall on a line with a slope of 5 . ​ ​What is the value of y ? ​
JulsSmile [24]

Answer:

y=4 (6,4)

Step-by-step explanation:

hope this helps!

7 0
4 years ago
4/10 as a proper fraction
erica [24]

Answer: if you’re talking about simplifying then it would be 2\5.

Step-by-step explanation: all you do is divide two on 4 and 10 and your simplified fraction would be 2/5

6 0
3 years ago
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What solution do 2x2 - 13x + 21 = 0 and 2x2 + 9x - 56 = 0 have in common? Round your answer to the nearest tenth if necessary.
lys-0071 [83]
So if we want to know the common solution(s) to a system of 2 equations, So we can just set both equations equal to each other and solve for the x value(s). That’s where I start below;

2x^2-13x+21 = 2x^2+9x-56
2x^2 cancels out and moving everything to one side and anything with an x variable to the other side we have then;
-22x=-77
22x=77 by cancelling the negative signs
x=77/22 therefore x=7/2 or 3.5

Hope this helps you. Any questions please ask.
4 0
3 years ago
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