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Brilliant_brown [7]
3 years ago
9

What is the value of x in the equation x - y = 30, when y = 15? O 4 O 8 O 80 O 200

Mathematics
2 answers:
Sonja [21]3 years ago
8 0
X - y = 30

x - 15 = 30
30 + 15 = 45

x = 45 ….
Strike441 [17]3 years ago
3 0

Answer:

It should be 45....

Step-by-step explanation:

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Why do you cross-multiply when you solve proportions?
Llana [10]

Answer:  The reason you cross multiply fractions is to compare them. Cross multiplying fractions tells us if the two fractions are equal or which one is greater. This is especially useful when you are working with larger fractions that you aren't sure how to reduce.

It works cause they have the same denominator

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5 0
2 years ago
Can i please have some help??
Sliva [168]

Answer:

No solution

Step-by-step explanation:

When lines are parallel, they do not intersect and they do not have a solution.

Thank You

Hope it helps u

3 0
3 years ago
Tell me how you got the it
stich3 [128]

Answer:

  x° = 67°

Step-by-step explanation:

1. The first three diagrams are showing you that opposite exterior angles are congruent. Based on that, when you are faced with opposite exterior angles in the fourth diagram, you are able to conclude they are congruent. That means x° = 67°.

2. You can determine the other angles in the figure based on linear angles being supplementary, and same-side interior angles being supplementary. After you work through all the angles, you find that x = 67.

6 0
3 years ago
What is 105.6 L/h = to L=min
ANEK [815]
Divide by 60 so 105.6/60=1,76 L/min
8 0
3 years ago
The stained glass window below is a semicircle. What is the distance around the window to the nearest hundredth of an inch? Use
Brrunno [24]

Answer:

The area of a circle is given by the formula

area=πr2

we have the value of π=3.14 , and the radius is taken from the diameter of the window (bottom edge), using the relation:

r=diameter

2r=362

r=18

By substituting these values to the formula of a circle, we now have:

area= (3.14 )  (18) 2

area=1017.36

But since the window is a semicircle, the area will have to be divided in half, therefore,

area of a semicircle =1017.362

area of a semicircle = 508.68

Thus the window's area is equal to 508.68 sq in.

8 0
3 years ago
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