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makvit [3.9K]
2 years ago
5

Help 50 points and brainleist

Mathematics
2 answers:
Scorpion4ik [409]2 years ago
7 0

Answer:

-0/5

Step-by-step explanation:

-2.5 by 1/5 (0.2)

UkoKoshka [18]2 years ago
3 0

Answer: -0.5c

Step-by-step explanation: multiply -2.5 by 1/5 (0.2) and you get -0/5

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Number 4 I have no idea how to do.
natta225 [31]

Volume is a three-dimensional scalar quantity. The cost of the glass is $1312.24.

<h3>What is volume?</h3>

A volume is a scalar number that expresses the amount of three-dimensional space enclosed by a closed surface.

Given the colony must be able to take a volume of 200,000 cubic meters, therefore, the diameter of the hemisphere will be,

The volume of Hemisphere = (2/3)πr³

200,000 = (2/3) × π × R³

R = 45.7

The area of the base of the hemisphere is,

Area of the base = πR² = π×(45.7)  = 6561.185 meters²

Given the cost of glass is $0.20 per square meter, therefore, the cost of the glass of the base will be,

Cost of glass = 6561.185 × 0.20 = $1312.24

Hence, the cost of the glass is $1312.24.

Learn more about Volume:

brainly.com/question/13338592

#SPJ1

3 0
2 years ago
Evaluate the expression when x= -7.4 and y= -6.3<br>-7y+2x​
GenaCL600 [577]

Answer:  -29.3

Step-by-step explanation:  -7y + 2x

-7(-6.3) + 2(-7.4) = -29.3

5 0
3 years ago
Read 2 more answers
The product of a number and 9, increased by 4, is 58. Find the number.
diamong [38]
9x + 4 = 58
9x = 54
x = 6

The number is 6.
4 0
3 years ago
9th grade math should be ez I’m tired please fast
ivanzaharov [21]

Answer:

Z=BY+R

Step-by-step explanation:

B=z-r/y

separate Z by it's self. Z= B * Y

Z =BY+R

Simple easy stuff should have no problems. I would love some more math like this bring it. C:

7 0
3 years ago
You have 23 1/2 pounds of blueberries to store in freezer bags. Each bag holds 3 3/4 pounds of blueberries. What is the minimum
monitta

Answer:

The minimum number of freezer bags needed to store all the blueberries is 7

Step-by-step explanation:

we know that

To find out the number of freezer bags needed , divide the total pounds of blueberries by 3 3/4, but first convert mixed number to an improper fraction

23\frac{1}{2}\ lb=\frac{23*2+1}{2}=\frac{47}{2}\ lb

3\frac{3}{4}\ lb=\frac{3*4+3}{4}=\frac{15}{4}\ lb

\frac{47}{2}:\frac{15}{4}=\frac{47*4}{2*15} =\frac{94}{15}=6.3\ bags

Round up

7 bags

therefore

The minimum number of freezer bags needed to store all the blueberries is 7

7 0
3 years ago
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