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olganol [36]
3 years ago
7

A gift box measures 4.5 cm wide, 2.5 cm deep and 7 cm high. The gift has a volume of 50 cm cubed. After the gift has been packed

in the box, how much space has NOT been used?
Mathematics
1 answer:
mina [271]3 years ago
8 0

Answer:

28.75 cm^3 of space not used

Step-by-step explanation:

The volume of the box is

V = 4.5* 2.5 * 7 =78.75 cm^3

The gift takes up 50 cm^3

Subtract

78.75-50 = 28.75 cm^3

There is 28.75 cm^3 of space not used

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Answer:

i think . it is c

Step-by-step explanation:

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3 years ago
System of equations when 45 animals with 7more cats than dogs
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"system of equations when 45 aninals with 7more cats than dogs" 45= 7c>d
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3 years ago
On a city map 3/4 inch corresponds to 7 1/2 miles bonnie drives from her house to a movie theater and then from a movie theater
Juliette [100K]

Answer:

Option D: 12\frac{1}{2} is the correct answer.

Step-by-step explanation:

Given that:

3/4 inches on map are equal to 7\frac{1}{2} miles

We will find the unit rate in term of inches.

\frac{3}{4}\ inches = 7\frac{1}{2}\\\\Unit\ rate = \frac{15}{2}*\frac{4}{3}\ miles\\\\Unit\ rate = 10\ miles\ per\ inch

Total distance covered by Bonnie according to map;

Total distance = \frac{1}{2}+\frac{3}{4} = \frac{2+3}{4}

Total distance = \frac{5}{4}\ miles

Actual distance = \frac{5}{4}*10 = \frac{25}{2}\ miles \\

Actual distance = 12\frac{1}{2}\ miles

Hence,

Option D: 12\frac{1}{2} is the correct answer.

8 0
3 years ago
Please! Need help! Please answer 6 through 10! Brainliest! As a reward!
True [87]

Answer:

6=72 cm; 7=15 cm; 8=30 in; 9)56.5 degrees; 10)40 in

Step-by-step explanation:

6) The height of the triangle is 12 cm. The base is around 10 cm. Triangles are 1/2(b)h, so:

1/2(10)=5

5*12=60 cm

72 is closest to this.

7) Volume is l*w*h, so:

2.5*1.5=3.75

3.75*4=15 cm

8) Again, the height is 5 and the base is 12. 1/2(b)h means:

1/2(12)=6

6*5=30 in

9) All triangles have 180 degrees. So first, add the degrees you know:

33.5+90=123.5

Now, subtract that from 180:

180-123.5=56.5

10) Trapezoids can be found by multiplying the height by the smaller base, so:

6*8=40 in

Hope this helped!

4 0
2 years ago
Find all solutions for a triangle with B=36 degrees, b=19, and c=36. Round to the nearest tenth.
lawyer [7]

we know that

Applying the law of sines

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sin C=(c/b)*sin B-----> sin C=(36/19)*sin 36

sin C=1.1137-------> the value of the sines can not be greater than 1

The side lengths and angle given cannot be used to create a triangle

therefore


with the given values ​​there is no solution to form some triangle

8 0
3 years ago
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