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photoshop1234 [79]
2 years ago
7

The length of a rectangle is 15 inches, and its width is 10 inches. If the area must remain 150 square inches, and the length is

increased by 10 inches, by how much must the width be decreased? A) by 2 inches B) by 3 inches C) by 4 inches D) by 5 inches
Mathematics
1 answer:
Crazy boy [7]2 years ago
8 0

Answer:

3.33333

Step-by-step explanation:

You have to put:

If 15 ------------- becomes 5

then 10--------- becomes X

like this type of rule says, you should do:

(10x5)/15= 3.33333

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Certain circle can be represented by the following equation.
kirill115 [55]

Answer:

Center of the circle is (-9, -7)

Radius of the circle = 5 units

Step-by-step explanation:

Given question is incomplete: here is the complete question.

Certain circle can be represented by the following equation. x^2+y^2+18x+14y+105=0.

What is the center of this circle ?

What is the radius of this circle ?

Since equation of the circle has been given by the equation,

x² + y² + 18x + 14y + 105 = 0

Now we will convert this equation to the standard form of the circle.

x² + 18x + y² + 14y = -105

[x² + 2(9)x] + [y² + 2(7)x] = -105

[x² + 2(9)x + 9²] + [y² + 2(7)y + 7²] = 9² + 7² - 105

(x + 9)² + (y + 7)² = 81 + 49 - 105

(x + 9)² + (y + 7)² = 25

(x + 9)² + (y + 7)² = 5²

By comparing this equation with the standard equation of the circle → (x - h)² + (y - k)² = r²

Center of the circle is (-9, -7) and radius of the circle is 5 units.

8 0
3 years ago
Read 2 more answers
An orchard has eight rows of trees with 15 trees in each row.If each tree produces six bushels of fruit, how many bushels will b
s2008m [1.1K]
You multiply 8 by 15 then again by 6 so the answer is 720
4 0
3 years ago
Read 2 more answers
3. Tarzan went to the plant nursery and bought a tree that was initially 90 feet tall for his monkey friends to climb on.
frutty [35]

Answer:

ok im convuzed how do you buy a 90ft tree cuz that sounds fun

Step-by-step explanation:

pls lemme know

3 0
3 years ago
Help me with 5 and 6 please I really don’t get it
alekssr [168]

Answer:

5 is congruent, 6 is not congruent

Step-by-step explanation:

In 5, both shapes have the same side lengths. This means their areas are the same, making them congruent.

In 6, the shapes do not have the same side lengths. This means their areas are not the same, making them not congruent.

6 0
3 years ago
What is expression is equivalent to 5(9 t)
iris [78.8K]
Here you have: (45t)
8 0
2 years ago
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