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dem82 [27]
3 years ago
7

THIS IS URGENT! PLZ HELP!

Mathematics
2 answers:
Yanka [14]3 years ago
7 0

Answer:

73

Step-by-step explanation:

jek_recluse [69]3 years ago
6 0

Answer:

73

Step-by-step explanation:

8^2 is 64. (7-4)^2 is the same as 3^2 which is 9. 64+9=73. Here, for (7-4)^2 , we can evaluate the part inside the bracket first. And 7-4=3.

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Huey has a fish tank that measures 5 feet long by 2 feet wide and 2 feet tall . The volume of the tank.
iris [78.8K]
This is a simple problem

First, take common sense and apply it here. The problem doesn't specifically tell you what the shape ACTUALLY is, but we can also apply what we know about geometry here, as well as what we know in general. Fish tanks most commonly come in 2 shapes: Square's and Rectangles. Fish tanks are what we call "3D" objects (meaning it's just not flat like a piece of paper", and the shapes are known as "Cubes and Rectangular Prisms".

Well, we know that squares/cubes have to have even sides. The problem states the tank is 5(l) by 2(w) by 2(h). This means it CAN'T be a cube, thus meaning it's a rectangular prism.

Now, to calculate volume, we have to know the formula. For this, the formula for volume is as follows: V=lwh
This means Volume=Length*Width*Height

So, do replace the words with what you know you already have. Let's make a list:
Length=5
Width=2
Height=2

V=lwh-----V=5*2*2

Now, work it out. 5*2=10*2=20, Left to right

Your answer here is V=20

~Hope this helps!
3 0
3 years ago
The hypotenuse of a right triangle is 26 millimeters. One leg of the right triangle is 10 millimeters. What is the length of the
Daniel [21]
<span>Hypotenuse = 26 mm </span>

1st Leg        = 10 mm

Other Leg = x.

By Pythagoras Theorem:

x² + 10² = 26²

<span>x² + 100 = 676 </span>

x² = 676 - 100

x² = 576

x = √576

x = 24

<span>The other leg is 24 mm</span>
3 0
3 years ago
Please help I’m stuck on this question
yan [13]
It helps demonstrate it since it forms a right triangle in the middle with 2 base lengths and a hypotenuse. The areas of the squares can be plugged into the pythagorean theorem in order to find the answer
3 0
3 years ago
Trina wants to put baseboards around her 12 by 15-foot bedroom. How many feet of baseboards will she need for the perimeter of h
o-na [289]
I believe the answer would be 54 feet of baseboard
6 0
2 years ago
Work out the size of angle x​
Alik [6]

Answer:

∠x = 117°

Step-by-step explanation:

supplement of ∠101° = 79°

all triangle interior angles add up to 180°

180° - 79° - 38° = 63°

the supplementary angle to 63° is 117°

6 0
3 years ago
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