NEED HELP ASP which of the following is an example of a mixed number?

Mathematics

2 answers:

AleksandrR [38]3 years ago

8 0

First choice is an improper fraction because you can't have 22 ninths.

And the second two are just normal fractions, not wholes.

The first choice would be the right answer IF instead of writing it like that, it was written like this ( 2 4/9 )

Your answer is d).

snow_tiger [21]3 years ago

7 0

D is a mixed number as it has a whole number and a fraction

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Libby is putting together a piece of furniture. She notices that two of the pieces form a right angle. If these right angles are

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Answer:

Each angle within that right angle measure 45 degrees.

Step-by-step explanation:

Given:

The two pieces of furniture forms Right angle

The Right angle is bisected by another bar

To Find:

what would each angle measure within that right angle = ?

Solution:

The Two furniture are attached such that the ange betwwn them is right angle.

The right angle measures 90 degrees

Then an another bar bisects this right angle.

The word bisects means divided into two equal halves

so bisecting the right angle means, bisecting 90 degrees

=> $\frac{90}{2}$

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1. Pia printed two maps of a walking trail. The length of the trail on the first map is 8 cm. The length of the trail on the sec

AVprozaik [17]

We know that

Pia printed two trail maps:
Trail on the first map = 8 cm
Trail on the second map = 6 cm
Scale on first map = 1 cm : 2 km

A) What is the scale factor from the map to the actual trail?
For the first map, the scale factor is 1 cm: 2km.
Therefore
the actual trail is 8 centimeters * 2 kilometers = 16 km.

The scale factor of the second map is 16 km / 6 cm = 2.67 km / cm
the scale on the 2nd map is 1 cm represent 2.67 km in the actual trail

B) The length of the actual trail is 16 kilometers.

C) What is the scale factor from the first map to the second map?
=2/2.67---------> 0.75 km/km
the scale factor from the first map to the second map is 0.75 km in the first map is 1 km in the second map

D) What are the side lengths of the landmark on the second map?
we know that
in the first map the side lengths of the landmark are 3 mm, 4 mm, and 5 mm

step 1
convert mm in the map1 to Km in the actual
the scale factor is 1 cm: 2km
for 3 mm--------> 0.3 cm
1 cm------------> 2 km
0.3 cm---------> X
X=0.3*2-------> 0.6 km

for 4 mm--------> 0.4 cm
1 cm------------> 2 km
0.4 cm---------> X
X=0.4*2-------> 0.8 km

for 5 mm--------> 0.5 cm
1 cm------------> 2 km
0.5 cm---------> X
X=0.5*2-------> 1 km

step 2
convert Km in the actual to cm in the map 2
the scale on the 2nd map is 1 cm represent 2.67 km in the actual trail

for 0.6 km
1 cm------------> 2.67 km
X-----------------> 0.6 Km
X=0.6/2.67---------> x=0.2247 cm------> 2.25 mm

for 0.8 km
1 cm------------> 2.67 km
X-----------------> 0.8 Km
X=0.8/2.67---------> x=0.2996 cm------> 3 mm

for 1 km
1 cm------------> 2.67 km
X-----------------> 1 Km
X=1/2.67---------> x=0.3745 cm------> 3.75 mm

the answer Part D) is
the side lengths of the landmark on the second map are
2.25 mm 3 mm and 3.75 mm

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