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Serjik [45]
3 years ago
13

52 is 0.4% of what number?

Mathematics
1 answer:
Sauron [17]3 years ago
4 0
I believe 20 but I’m not sure
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diamong [38]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
Help please with easy geometry
netineya [11]

Answer:

Vertical line of symmetry

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Read 2 more answers
Write an algebraic expression for the verbal expression.<br> 5 times a number n<br> Idk what to do
coldgirl [10]

Answer:

5 x n

Step-by-step explanation:

This is the answer because:

1) 5 times a number n is just 5 times n

Hope this helps!

7 0
3 years ago
BDсStatementsReasons1. AB || CDAC || BD1. GivenIf two parallel lines are cut by a transversal, then:2. ZABC ZBCDLACB LDBC2.1-13.
Anna11 [10]

The diagram shows statements to prove that both triangles are congruent.

Hence;

\begin{gathered} (2) \\ \angle ABC\cong\angle BCD \\ \angle ACB\cong\angle DBC \\ Alternate\text{ interior angles are congruent } \end{gathered}\begin{gathered} (3) \\ BC\cong BC \\ \operatorname{Re}flexive\text{ property} \end{gathered}\begin{gathered} (4) \\ \Delta ACB\cong\Delta DBC \\ \text{Side}-\text{Angle}-\text{Side} \end{gathered}

Step 1 showed two sides that are congruent for both triangles

Step 2 showed two angles that are congruent

Step 3 showed two sides that are congruent

Therefore, the triangles are congruent by the side-angle-side theorem

6 0
2 years ago
I would like to create a rectangular orchid garden that abuts my house so that the house itself forms the northern boundary. The
chubhunter [2.5K]

Answer:

Length = 5\ \text{ft}

Breadth = 5\ \text{ft}

Step-by-step explanation:

Let x be the length of the garden

and y be the width of the garden

From the details of the cost in the question we get

20x+2\times (10y)=200\\\Rightarrow 20x+20y=200\\\Rightarrow x+y=\dfrac{200}{20}\\\Rightarrow x+y=10\\\Rightarrow y=10-x

Now area of the garden is

A=xy\\\Rightarrow A=x(10-x)\\\Rightarrow A=10x-x^2

Differentiating with respect to x we get

\dfrac{dA}{dx}=10-2x

Equating with 0

0=10-2x\\\Rightarrow x=\dfrac{-10}{-2}\\\Rightarrow x=5

Double derivative of the area is

\dfrac{d^2A}{dx^2}=-2

So, area is maximum at x=5

y=10-x=10-5\\\Rightarrow y=5

So, the length and breadth of the rectangle is 5\ \text{ft}.

5 0
3 years ago
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