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IRISSAK [1]
3 years ago
6

Kilingrams 4,000鈩arma

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
8 0
I can not see the picture clearly sorry i could not tell you the answer
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Dmitri wants to cover the top and sides of the box shown with glass tiles that are 5mm square. How many tiles does he need? ( Th
ycow [4]

Answer:

372

Step-by-step explanation:

We are given that the dimensions of the box are,

Length = 15 cm, Width = 20 cm and Height = 9 cm.

We know that the box represents a cuboid.

Since, surface area of a cuboid = L×W + 2×L×H + 2×W×H

Thus, the surface area of the box = 15×20 + 2×15×9 + 2×20×9

i.e. Surface area = 300 + 270 + 360

i.e. Surface area = 930.

Thus, the surface area of the box is 930 cm² i.e. 9300 mm².

Further, the sides of the tiles are 5 mm and the tile represents a square.

So, the surface area of the tile = 5 × 5 = 25 mm².

This gives us that,

Number of tiles required to cover the box = \frac{9300}{25} = 372.

Hence, Dmitri requires 372 tiles to cover the box.

5 0
3 years ago
Read 2 more answers
Find the value of r 4(x-3)-r+2x=5(3x-7)-9x
vlabodo [156]

r = 4(x-3)/5(3x-7) + 11x

6 0
3 years ago
What is an equation of the line that is perpendicular to -x+2y=4 and passes through the point (-2, 1)?
KATRIN_1 [288]
First: Slope of -x+2y=42y=x+4y=x/2+2So, m=1/2.
Second: Slope  of the perpendicular line: mp=-2.
Third: Find the line with slope -2 and passes through the point (−2, 1)y-y1=m(x-x1)y-1=-2(x+2)y=-2x-4+1y=-2x-3 

Read more on Brainly.com - brainly.com/question/7942650#readmore

5 0
3 years ago
Find the radius of each figure. round to the nearest tenth.
k0ka [10]

Answer:

8.25475 m

Step-by-step explanation:

pi*r^3 is the formula for a sphere.


Using this, pi is a nmber (about 3.14) and we only don't know the radius, but we know what it equals.


pi*r^3=1,767.1

First divide by pi, then get ride of the cube by cube rooting both sides.


The cube root of 1767.1/pi (remember to cube root both denominator and numberator!!!) is about 8.25475 m

6 0
3 years ago
Create a list of 5 potential jobs that students of pharmacology can obtain.
aalyn [17]

Answer:

What can you do with a Pharmacology Degree?

Pharmacy InternshipStaff PharmacistPharmacist Manager. ...

Clinical Research AssociateRegulatory Affairs SpecialistRegulatory Affairs Manager. ...

Staff NurseRegistered Nurse SupervisorPatient Care Manager. ...

Research TechnicianEnvironmental ScientistToxicologist.

7 0
3 years ago
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