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3 years ago

There are 3 feet in 1 yard this is equivalent to 12 feet in 4 yards which proportion can be used to represent this?

Mathematics

2 answers:

stellarik [79]3 years ago

4 0

Answer: The answer is (D) $\dfrac{3}{1}=\dfrac{12}{4}.$

Step-by-step explanation: Given that there are 3 feet in 1 yard, which ios equivalent to 12 feet in 4 yards. We are to select the correct option from the four proportions that can be used to represent this.

1 yard = 3 feet implies 4 yards = 12 feet.

Therefore, the required proportion will be written as

$\dfrac{3}{1}=\dfrac{12}{4}.$

Thus, the correct option is (D).

AysviL [449]3 years ago

3 0

3/1 = 12/4

feet is to yard as feet is to yard

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Hi there, hope everyone is well and staying cool :D

gogolik [260]

Answer:

A) By using the Pythagorean Theorem, we will see that $8^2 + 15^2 = 17^2$ . If we simplify it, we will find that the hypotenuse of Δ $ABC = 17$

B) approximately $18.79$

Step-by-step explanation:

A) In all honesty, you don't really need to look at ΔACD at all for this one. Just use the Pythagorean Theorem (like previously stated) and solve!

***Pythagorean Theorem is $leg^2 + leg^2 = hypotenuse^2$

B) Here, you can also use the Pythagorean Theorem! However this time, the equation will be, $8^2 + 17^2 = AD$ .

$8^2 + 17^2 = 64 +289$

$64 + 289 = 385$

$\sqrt{385} \\$ ≈ $18.79$

Hope you do well on the rest of your math problems :D

3 0

3 years ago

50 POINTS !!<br><br><br> PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.

nata0808 [166]

(Btw that’s not 50 points, imma solve this for you because you’re desperate)

Using the Pythagorean theorem:
c^2 = a^2 + b^2
c^2 = 4^2 + 7^2
c^2 = 16 + 49
c^2 = 65
c = 8.1

5 0

3 years ago

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Can someone please help, will give the brainiest.

Studentka2010 [4]

Answer:

Step-by-step explanation:

As it is supposed to be linear, we just subtract two adjacent months to find the difference.

$13,849.60 - $13,610.81 = $238.79 which will be her monthly payment (Q 14)

December's balance is $13,610.81 - $238.79 = $13,372.02 (Q13)

At the end of September, her first payment, her balance was

$13,849.60 + $238.79 = $14,088.39 and her original purchase price was

$14,088.39 + $238.79 = $14,327.18

so an equation for the current balance B at any month m is

B = (-$238.79)m + $14,327.18

We verify this by testing for February

B = (-$238.79)6 + $14,327.18 = $12,894.44 which checks out

It will take 14327.18 / 238.79 = 60 months to pay it off or 5 years (Q 15)

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3 years ago

nd the surface area of a cylinderose radius is 1.2 mm and whoseheight is 2 mm.Round to the nearest tenth.SA = [?] mm²

AleksAgata [21]

Step 1

Given;

$\begin{gathered} A\text{ cylinder with radius 1.2mm} \\ Height=2mm \end{gathered}$

Required; To find the area

Step 2

The area of a cylinder is given as;

$\begin{gathered} A=2\pi rh+2\pi r^2 \\ A=(2\times\pi\times1.2\times2)+(2\times\pi\times1.2^2) \\ A=4.8\pi+2\times\:1.2^2\pi \\ A=24.12743mm^2 \\ A\approx24.1mm^2 \end{gathered}$

Answer;

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1 year ago

If a=2b, then a-c=2b-c

aleksandrvk [35]

This is true.
a = 2b
Subtract both sides by c
a - c = 2b - c
Have an awesome day! :)

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3 years ago

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