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4 years ago

Jack determined that triangle FGH has the interior angle

Mathematics

2 answers:

Vikentia [17]4 years ago

6 0

Jack is incorrect because a triangle's interior angles should add up to 180°.

notka56 [123]4 years ago

6 0

Answer:

Sample Explanation:

Jack’s solution is incorrect. The sum of the three angles of his triangle is not 180°, which is the sum of the angles of any triangle. The sum of his angles is 238°.

Step-by-step explanation:

Finding Unknown Angle Measures Assignment

Analyzing a Solution

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3. A person standing 3 feet away from the base of a lamp post casts a shadow 4 feet long. If the person is 6 feet tall and walks

german

Answer:

533.33 ft/min

Step-by-step explanation:

We are given that

x=3 feet

y=4 feet

Height of person,h=6 feet

$\frac{dx}{dt}=400 ft/min$

Triangle ABC and A'B'C are similar because all right triangles are similar

By using similarity property

$\frac{h'}{6}=\frac{7}{4}$

$h'=10.5 feet$

$x+y=3+4=7 feet$

$\frac{h'}{6}=\frac{x+y}{y}$

$\frac{10.5}{6}=\frac{x+y}{y}$

$10.5y=6x+6y$

$10.5y-6y=6x$

$4.5y=6x$

Differentiate w.r.t t

$4.5\frac{dy}{dt}=6\frac{dx}{dt}$

$\frac{dy}{dt}=\frac{6\times 400}{4.5}ft/min$

$\frac{dy}{dt}=533.33ft/min$

Hence, If the person is 6 feet tall and walks away from the lamp post at a speed of 400 feet per minute then his shadow moving at the rate 533.33 ft/min

7 0

3 years ago

Determinati numarul b astfel incat : (4x8)^15 : 4^5:2^6=2^b si 3^4x3^5x3^17=3^b

Serhud [2]

The answer is 3 becasue

3 0

3 years ago

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Guys plssssssss! I want to spend time today and tomorrow with my fam before they go back to Washington

Andru [333]

Answer:

IF its a pretest the grade doesnt count im pretty sure.

3 0

3 years ago

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Please what is the answer?

Nuetrik [128]

Answer:

$8624.03$

Step-by-step explanation:

$(8 \times 1000)+(6 \times 100)+(2 \times10)+(4 \times 1)+(3 \times \frac{1}{100} ) \\ \\ 8000 + 600 + 20 + 4 + \frac{3}{100} \\ 8624 + 0.03 = 8624.03$

6 0

3 years ago

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Is w = 8 a solution to the equation 5 + w = 58? Explain

sp2606 [1]

No.

Since w = 8, you must replace the variable with the number associated to it.

So, it would be 5 + 8 = 58

5 + 8 is not equal to 58, it is equal to 13.

If you wanted to find out what w was, simply subtract 5 on both sides.

w = 58 - 5

8 0

3 years ago