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3 years ago

If each mark represents one unit, which number does A represent? (the picture is down below :)

Mathematics

1 answer:

My name is Ann [436]3 years ago

7 0

A represents 77 units
You take the only number given (75) and count the tick marks, adding one every time you go right, subtracting one every time you go left. Mark A is 2 tick marks to the right of 75, so you add 2 to 75, making 77 units

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3 years ago

Order the numbers from least to greatest. 0.3, 9/25, 33%, 0.35

Finger [1]

Answer:

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0.36(greatest)

Step-by-step explanation:

Okay, so first we need to have all of our numbers in the same category of variable. So first, we will convert 9/25 to a decimal.

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2 years ago

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3 years ago

Read 2 more answers

Given: AB || DE , AD bisects BE. Prove: ABC = DEC using the ASA postulate.

Ket [755]

Answer:

As per ASA postulate, the two triangles are congruent.

Step-by-step explanation:

We are given two triangles:

$\triangle ABC$ and $\triangle DEC$ .

AD bisects BE.

AB || DE.

Let us have a look at two properties.

1. When two lines are parallel and a line intersects both of them, then alternate angles are equal.

i.e. AB || ED and $\angle B$ and $\angle E$ are alternate angles $\Rightarrow$ $\angle B = \angle E$ .

2. When two lines are cutting each other, angles formed at the crossing of two, are known as Vertically opposite angles and they are are equal.

$\Rightarrow \angle ACB = \angle DCE$

Also, it is given that AD bisects BE.

i.e. EC = CB

1. $\angle B = \angle E$

2. EC = CB

3. $\angle ACB = \angle DCE$

So, we can in see that in $\triangle ABC$ and $\triangle DEC$ , two angles are equal and side between them is also equal to each other.

Hence, proved that $\triangle ABC$ $\cong$ $\triangle DEC$ .

8 0

3 years ago