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scoundrel [369]
3 years ago
14

0.25(4f-3)=0.05(10f-9)​

Mathematics
1 answer:
const2013 [10]3 years ago
5 0

Answer:

0.5f^2-0.825f+0.3375

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The additive inverse of -2/3 - (-8/3)​
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Step-by-step explanation:

<em>-</em><em>2</em><em>/</em><em>3</em><em> </em><em>+</em><em> </em><em>8</em><em>/</em><em>3</em>

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3 years ago
Calculate the area of the shapes below.<br> 2.<br> 8 ft<br> 4 ft<br> 12 ft<br> Please LOL
Kay [80]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Negative 18=r-3<br> What r and how did you get it
Arisa [49]
Ok, so if you’re saying -18=r-3, then first you need to add 3 to each side so you can move the 3 with the -18 so you can isolate r. (Leave it by itself). So now your equation is -18+3=r. Next, combine like terms, so do -18+3, which is -15. Now you have -15=r, so r is equal to -15.
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4 years ago
Given a∥b , and c is not parallel to a or b, which statements must be true?
Vlad1618 [11]

Answer:

1. We have been given that a∥b , and c is neither parallel to a nor b.

Let us see which of our given options are correct.

A. m∠7 can not be equal to m∠11  as line c is not parallel to line a.

B. m∠5 can not be equal to m∠12 as line c is not parallel to line b.

C. By alternate interior angles m∠4=m∠5  as ∠4 is inside line a and ∠5 is inside line b. Both angles are on the opposite sides of transversal.  

D. Since we know that corresponding angles are congruent. We can see that ∠5 corresponds to ∠1, therefore, m∠1=m∠5.

Therefore, Option C and D are correct choices.

2. We have been given that  AB∥CD and m∠4=85°. We are asked to find measure of ∠5.

Since we know that same side interior angles are supplementary. In our figure we can see that  ∠4 and ∠5 are same side interior angles.

Therefore, measure of ∠5 will be 95 degrees.  

Step-by-step explanation:

1. is m∠4=m∠5 by the alternate interior angle theorem.

2. Angles 4 & 3 are supplementary angles or linear pair and so they have to equal 180 and 180 - 85= 95 3 & 5 are corresponding angles so 95 should be your answer.

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How much fabric is needed to make curtains for a 5foot tall 3 foot wide window?
SpyIntel [72]
Area = 5(3) = 15 feet
3 0
3 years ago
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