2 years ago

What is 9a+2b+14-7a+5b+4

Mathematics

1 answer:

Mila [183]2 years ago

6 0

Answer:

2a+7b+18

Step-by-step explanation:

combine the like terms

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12. Use the Distributive Property to write

timama [110]

Answer:

-81/2+75/8x

Step-by-step explanation:

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2 years ago

Suppose an architect draws a segment on a scale drawing with the end points (0,0) and (3⁄4,9⁄10). The same segment on the actual

Kipish [7]

Segment drawn on scale having end points O (0,0) and A $(\frac{3}{4},\frac{9}{10})$ is a line segment.

O A= $\sqrt{[\frac{3}{4} -0]^{2} +[\frac{9}{10} -0]^{2}\\\\$

O A = $= \sqrt{\frac{9}{16}+\frac{81}{100}$

= $\sqrt\frac{549}{400}$

= $\frac{\sqrt{549}}{20}$

Now , the same segment actual structure having end points O'(0,0) and B (30,36) is also a line segment.

O'B= $\sqrt{(30-0)^{2}+(36-0)^{2}$

= $\sqrt{900+1296}$

= $\sqrt {2196}$

= 2√549

$\frac{\text{Actual length}}{\text{Length on scale}}=\frac{OB'}{OA}=\frac{2\sqrt549}{\frac{\sqrt549}{20}}=40$ [Cancelling √549 from numerator and denominator]

So, Actual length = 40 × Length on scale

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3 years ago

Determine the quadrant (0.5)

murzikaleks [220]

Answer:

It would be on the y axis

Step-by-step explanation:

the x value 0 is on the origin and the y value is on the y axis at 5

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2 years ago

Examples from your surroundings where we use negative rational number

kotegsom [21]

Answer:

U can see it in your thermometer

Step-by-step explanation:

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3 years ago

842 rounded to the nearest ten

g100num [7]

Answer:

842 rounded to the nearest ten is 840

Step-by-step explanation:

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2 years ago

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