How to round 43 to the nearest ten

2 answers:

5 0

So,

We need to round 43 to the nearest ten.

Look at the number in the one's place. If the number is greater than or equal to 5, round up. If the number is less than 5, round down.

43 rounded to the nearest ten is 40.

mixer [17]4 years ago

4 0

The answer is 40.
Steps:
1. Look at the tens place which has the number 4
2. Look at the number behind it
3. Since, the number is 3, you round down to 40
( if your number is less than 5, you round down)

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From a rope 11m long two pieces of lengths 13/5m and 33/10m are cut off. What is the length the remaining rope?

Serhud [2]

Answer:

$\frac{51}{10}$ m

Step-by-step explanation:

Given parameters:

Length of rope = 11m

First length cut off = $\frac{13}{5}$ m

Second length cut off = $\frac{33}{10}$ m

Unknown:

Remaining length = ?

Solution:

Let us find the total length cut off first;

= $\frac{13}{5}$ m + $\frac{33}{10}$ m

= $\frac{26 + 33}{10}$

= $\frac{59}{10}$ m

So,

Remaining length = 11 - $\frac{59}{10}$

= $\frac{110 - 59}{10}$

= $\frac{51}{10}$ m

5 0

3 years ago

What is the height of the triangle? 12 units 24 units 36 units 72 units.

konstantin123 [22]

Height of the triangle is the altitude of the triangle and which is drawn perpendicular from the vertex of the triangle to the opposite side. The height of the tringle is 24 units. Hence option 2 is the correct option.

<h3>Given information-</h3>

The triangle for the given problem is shown in the image below.

Form the figure the length of the each side is $16 \sqrt{3}$ units.

As all the sides are equal thus the $\Delta MNO$ is a equilateral triangle in which the height of the divides the triangle into two equal part of the length $8\sqrt{3}$ at point <em>R.</em>

<h3>Height of the triangle-</h3>

Height of the triangle is the altitude of the triangle and which is drawn perpendicular from the vertex of the triangle to the opposite side.

Now in the $\Delta MRN$ , the length of the hypotenuse is $16 \sqrt{3}$ units and the length of the base is $8\sqrt{3}$ units. Let <em>h </em>is the height of the triangle thus by the Pythagoras theorem,