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Lunna [17]
3 years ago
15

Find the difference -3 3/5 - -5/9

Mathematics
1 answer:
Oksana_A [137]3 years ago
7 0

Answer:

-2/45

Step-by-step explanation:

Firstly, we get it out of the brackets:

-3/5+5/9

than we multiply in order to get even divisor, which is actually greatest common factor (gcf):

(-3/5)×9+(5/9)×5

-27/45+25/45=-2/45


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Quadrilateral DEFG has at least one pair of opposite sides congruent. What types of quadrilaterals meet this condition?​
zhuklara [117]

Answer:

Parallelogram, Rectangle, Square, Rhombus, Trapezoid. ... ANSWER Trapezoid: there is one pair of parallel sides

Step-by-step explanation:

there is one pair of parallel sides

6 0
2 years ago
Find equation of set of points pieces that its distance from the point 3, 4, -5 and -2, 1, 4 are equal.
Gnesinka [82]

Answer:

Step-by-step explanation:

Suppose we a point P(x,y,z) such that its distance from either the point A(3,4,-5) or B(-2,1,4) is the same.

Using this information we can formula:

distance AP = distance BP

first, let's find the distance from AP, using the distance formula.

r = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2 + (z_1 - z_2)^2}

AP = \sqrt{(3 - x_2)^2 + (4 - y_2)^2 + (-5 - z_2)^2}

similarly, we can find the distance BP

BP = \sqrt{(-2 - x_2)^2 + (1 - y_2)^2 + (4 - z_2)^2}

since both distances are exactly the same we can equate them

AP = BP

\sqrt{(3 - x_2)^2 + (4 - y_2)^2 + (-5 - z_2)^2} = \sqrt{(-2 - x_2)^2 + (1 - y_2)^2 + (4 - z_2)^2}

we can simplify it a bit squaring both sides, and getting rid of the subscripts.

(3 - x)^2 + (4 - y)^2 + (-5 - z)^2 = (-2 - x)^2 + (1 - y)^2 + (4 - z)^2

what we have done here is formulated an equation which consists of any point P that will have the same distance from (3,4,-5) and (-2,1,4).

To put it more concretely,

This is the equation of the the plane from that consists of all points (P) from which the distance from both (3,4,-5) and (-2,1,4) are equal.

3 0
3 years ago
Please answer now!! (Math)
OleMash [197]

Answer:

2nd option

Step-by-step explanation:

Simplify first what is in the parenthesis before distributing the exponent outside would help.

Remember that negative exponents simply means that their on the wrong side of the fraction. So if you find a variable with a negative exponent as a numerator, you bring them down and when it is found as a denominator, you bring them up.

Also when you distribute your exponents, you always multiply it to each exponent inside the parenthesis.

Look at the attached picture for the solution

5 0
3 years ago
Read 2 more answers
Is every equation a function, true or false?
earnstyle [38]

Answer:

false.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the sum of 7/9 + 3/5 A5/7 B 4/15 C 1 17/45 D 1 27/45
Nimfa-mama [501]

Answer:

The correct answer is C

Step-by-step explanation:

The answer is "1 17/45"

4 0
2 years ago
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