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valkas [14]
3 years ago
10

7²+4(2²+3)/2 please help

Mathematics
1 answer:
RUDIKE [14]3 years ago
7 0

Answer:

i think it's 63

Step-by-step explanation:

ask g89gle ig

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Give a description of a 3/4- turn of the minute hand on a clock face.
Rom4ik [11]
If the minute hand has turned 3/4 of the way around the face, it is equal to 45 minutes. (45/60)
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4 years ago
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Based on the side lengths given (a, b, and o, which triangles are right triangles?​
Cloud [144]

Answer:

2 & 3

Step-by-step explanation:

Pythagorean Theorem is a^2+b^2=c^2.

If the values given in each option satisfy the theorem, the sides will make a right triangle.

<h3>For Option One:</h3>

4^2+6^2=8^2\\=> 4^2=16\\=> 6^2=36\\=>8^2 =64\\16+36=64\\\boxed{52\neq 64}

The sides would not make a right triangle.

<h3>For Option Two:</h3>

6^2+8^2=10^2\\=> 6^2 = 36\\=> 8^2=64\\=> 10^2=100\\36+64=100\\\boxed{100=100}

The sides would make a right triangle.

<h3>For Option Three:</h3>

5^2+6^2=\sqrt{61}^2\\ => 5^2=25\\=>6^2=36\\=>\sqrt{61}^2=61\\ 25+36=61\\\boxed {61=61}

The sides would make a right triangle.

<h3>For Option Four:</h3>

6^2+9^2=12^2\\=> 6^2=36\\=>9^2=81\\=>12^2=144\\36+81=144\\\boxed{117\neq 144}

The sides would not make a right triangle.

The correct answer should be options two and three.

6 0
3 years ago
Help please !<br><br> I’ll mark brainliest:)
sashaice [31]
<span>The answer is $4,955.30</span>
7 0
3 years ago
The measures of the angles of a triangle are shown in the figure below. Solve for x.
Daniel [21]
Answer: x = 11 degrees

Step by step explanation:
Triangle rule states that all angles of a trundle must equal to 180 degrees. So we have two known angles, therefore we can subtract them from the 180 degree total.
180-109-43
=28
Now to solve for x we have the equation
4x-16=28
We add 16 to both sides to isolate x
4x=44
Now we divide each side by 4 to get rid of the coefficient
x=11
6 0
3 years ago
Water has a density of about 0.0361 pounds/cubic inch. You might know that wood floats on water. What can you conclude about the
masya89 [10]

Answer:

Step-by-step explanation:

Objects that float on water have densities less than the density of water; those that do not float on water have densisties greater than the density of water:

Float on water:  d < 0.0361 lb/in³ (where d denotes denisity)

Do not float on water:  d > 0.0361 lb/in³

7 0
3 years ago
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