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GuDViN [60]
3 years ago
7

Hello! This is really easy! (For some people anyway)

Mathematics
2 answers:
AleksandrR [38]3 years ago
6 0
2nd one. She should've multiplied before subtracting
alexira [117]3 years ago
3 0

the answer is the last one.

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What is the value of x? (giving brainliest and thanks to all!)
astra-53 [7]

Answer:

x° = 64°

Explaination:

This is a right angled triangle so one of the angle is 90°.

So, x° + 90° = 154° (Exterior angle property)

x° = 154° - 90° = 64°

Therefore x° = 64°

4 0
3 years ago
Find the volume of these rctangular prisms length=6.4mm width=2.5mm hight=7mm<br> step by step pls
Soloha48 [4]

Answer:

The volume of this rectangular prism is 112mm.

Step-by-step explanation:

volume \:  =  \: length \times width \times height \\ v = 6.4mm \times 2.5mm \times 7mm \\ v = 112mm

4 0
2 years ago
What is the solution to this inequality?
algol13
  1. B hus5hoegu9r47jssnkiroohdd
7 0
3 years ago
Can someone find the expression for h in terms of x.
PilotLPTM [1.2K]
The volume of the cylinder is equal to the sum of all spheres
the volume of 1 sphere is V1=4/3×pi×(1/2 x)³
simplified V1=1/6×pi×x² 
we conclude that the volume of the cylinder is V2=270V1
V2=45×pi×x³
also the V2 can be calculated from the cylinder 
V2= base(circle)×height
V2=(3x)²×pi×h=9x²×h
so we have 
9x²×pi×h=45×pi×x³
simplified h=5x
7 0
3 years ago
Bananas cost $3 a bunch and apples cost $0.50 each. If b represents the number of bunches of bananas and a represents the number
aliina [53]

3b + 0.5a

the variables b and a are unknown values that represent the number of bananas and apples to be bought. These are next to each of its prices for it to be multiplied once we know the variable.

The costs of the fruits are to be added and you will end up with the total cost of fruits.

7 0
2 years ago
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