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2 years ago

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You are building a room that is 5.5 m long and 3.5 m wide. The scale on the architect's drawing is 1 cm: 2.5 m. What is the leng

th of the room on the drawing?

2 answers:

Serga [27]2 years ago

6 0

Answer:

i think its 3cm but i may be wrong

Step-by-step explanation:

how many attemps do u have on your test?

Vesnalui [34]2 years ago

6 0

I’m pretty sure 3cm could be wrong sorry if it is

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a gear ratio is the ratio of the teeth on the front sprocket and the teeth on the rear sprocket.if a bike has 36 teeth on the fr

Ber [7]

Answer:

3 : 1

Step-by-step explanation:

ratio = teeth on front sprocket : teeth on rear sprocket

= 36 : 12 ( divide both parts of the ratio by 12 )

= 3 : 1 ← in simplest form

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2 years ago

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marysya [2.9K]

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2 years ago

Which expression is equivalent to 4h ÷ 5? A. 5h/4 B. 45/h C. 54/h D. 4h/5

sweet [91]

Answer: D. $\frac{4h}{5}$

Step-by-step explanation:

1. You have the following expression given in the problem above:

$4h$ ÷5

2. By definition, two expression are equivalent when they are the same even though they they are written in a different form.

3. Keeping this on mind, you can rewrite the division of those two numbers as a fraction, as you can see below:

$\frac{4h}{5}$

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2 years ago

In triangle ABC, a = 9, c = 5, and angle B = 120°. Find the measure of angle A to the nearest degree. Show your work.

slamgirl [31]

<u>Answer:</u>

Angle A = 39°

<u>Step-by-step explanation:</u>

We are given that there is a triangle ABC where a = 9, c = 5 and angle B = 120° and we are to find the measure of angle A.

But first we need to find the side b using the law of cosine:

$b^2 = a^2 + c^2- 2a*c*cos(120)$

$b^2 = 81 + 25 - 2*9*5*(-0.5)$

$b=\sqrt{151}$

Now finding angle A using law of cosine:

$cos(A) = \frac{b^2+c^2-a^2}{2b*c}$

$cos(A) = \frac{151+25-81}{2*12.29*5}$

$cos A=0.7730$

$A=39.38$

Therefore, the measure of angle A = 39°.

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dolphi86 [110]

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2 years ago