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3 years ago

(1½ * $8.40) * 7 = x

Mathematics

1 answer:

stepladder [879]3 years ago

5 0

X = 88.2

Don't forget to make me brainliest answer.

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Explain how to determine the diameter of any circle given the circumference.

Murrr4er [49]

Answer:

circle of diagram (89).&"71

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3 years ago

Determine which statement is a true proportion.

Ratling [72]

The answer is option B. 11/12 = (13 3/4) /15

it could be considered a true proportion if both are equal in values.

In order to find this, you need to cross multiply the numerator and the denominator in all of those options and find which give the exact result.

11 x 15 = 13 3/4 x 12

165 = 165

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3 years ago

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The function f(t)=3,502.86(1.15)(t−12) models the amount of money in Gavin's investment account after t years. Gavin says this m

IRINA_888 [86]

Answer: C.Yes, because 3,502.86 is multiplied by the exponential term.

Step-by-step explanation:

3502.86 is the capital

1.15 is the interest

While ( t - 12 ) tells us about the period of time.

And f(t) is the amount of money in Gavin's investment account after t years

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3 years ago

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Im not sure how to find the missing angle

LuckyWell [14K]

Answer:

Step-by-step explanation:

the question is asking for the length of the side labeled x

use Pythagoras' theorem to find that side

where c = x because c represents the hypotenuse in the theorem and x is on the hypotenuse in this problem

c = $\sqrt{a^{2} + b^{2} }$

sooo plug in a = 14 and b = 10

c = $\sqrt{14^{2} + 10^{2} }$

c = $\sqrt{196+100}$

c = $\sqrt{296}$

c= 17.20465..... ( that's the approx. length of side x in the problem )

since this is a right triangle we could use trigonometry to find the two angles use SOH CAH TOA to remember how those functions fit on the triangle.

Sin(Ф)=Opp/Hyp Cos(Ф)=Adj/Hyp Tan(Ф)=Opp/Adj

since we know the Hyp (hypotenuse) and the side adjacent will be the side with the 10 soooo...

Cos(Ф)=10/17.20465

Ф = arcCos(10/17.20465)

Ф = 54.4623° is the angle on the side with 10

the side with 14 then has an angle of 35.5376°

5 0

3 years ago

What is the volume of the box

aalyn [17]

Answer:

Volume = 144 in.³

Step-by-step explanation:

Given:

Length = 9 in.

Width = 4 in.

Height = 4 in.

Required:

Volume

Solution:

Volume of a box = length * height * width

Volume = 9*4*4

= 144 in.³

5 0

3 years ago