2 years ago

Define a variable and write an expression for the phrase. 8 minus a number 8n 8 – n

Mathematics

1 answer:

Lisa [10]2 years ago

7 0

I think it might be 8-8n 8-n

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3. In the figure below, E is on AD and C is on BD. The dimensions given are in meters. What is the length, in meters, of CD?

damaskus [11]

Answer:

C. 3,960

Step-by-step explanation:

∆ADB ~ ∆EDC. Therefore,

$\frac{AB}{EC} = \frac{DB}{DC}$

$\frac{2,000}{1,200} = \frac{2,640 + x}{x}$ (substitution)

Solve for x

$\frac{5}{3} = \frac{2,640 + x}{x}$

Cross multiply

$5*x = 3(2,640 + x)$

$5x = 7,920 + 3x$

5x - 3x = 7,920

2x = 7,920

x = 7,920/2

x = 3,960 meters

7 0

2 years ago

Compute the Gross Pay for these situations:

andrew-mc [135]

62525262626

Step-by-step explanation:

52525252+45541537948-5751576544+4246-5484-24848+2757%

3 0

2 years ago

Two brothers have ages that are consecutive odd integers. The product of their ages is 38 less than the older brother's age squa

Lemur [1.5K]

answer = the elder bother is 17 and the younger one is 15

constructive odd integers= 15 and 17

17×15= 255

255+38 = 293

Square root of 293 = 17

5 0

3 years ago

Which choice is equivalent to the quotient shown here when x > 0

Zinaida [17]

Answer:

this is equal to √(3x²/12) = √(x²/4) = x/2

Step-by-step explanation:

5 0

3 years ago

Please place the integers in order from least to greatest. (3, -2, 5, 500/2000, -8, -4, 2000/2000, 0, 12)

Semmy [17]

Answer:

-8

-4

-2

500/2000

2000/2000

Step-by-step explanation:

8 0

3 years ago