2 years ago

What is the measure of YXZ

Mathematics

1 answer:

Anvisha [2.4K]2 years ago

7 0

hope this will help!!

plzz mark aa brainliest!!

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An 8ft length of crown molding costs $12. How much will it cost to buy 40 ft of crown molding?

zzz [600]

Answer:

$60

Step-by-step explanation:

12/8 = x/40

40(12/8) = x

60 = x

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1 year ago

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What is the slope-intercept form of the function described by this table?

Andru [333]

Answer:

y = - 3x + 4

Step-by-step explanation:

m = $\frac{y_{2} -y_{1} }{x_{2} -x_{1} }$

y - $y_{1}$ = m( x - $x_{1}$ ) Point-slope form

y = mx + b Point-intercept form

(1, 1)

(2, - 2)

m = (- 2 - 1 ) / (2 - 1) = - 3

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2 years ago

If the area of a square is 121cm2 what is it’s side length

joja [24]

Answer:

Step-by-step explanation:

Area of a square

Area = l*l

121=l^2

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L=11cm

7 0

2 years ago

My number has two periods. One period has 3,0,6, in that order. The other contains the digits 0.9 and 5 in that order.

Radda [10]

3.06, and 0.95 are the numbers.

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2 years ago

a car travels 120 mi. a second car, travelling 10 mph faster than the first car, makes the same trip in 1 hr less time. find the

Murrr4er [49]

Let x be the speed of the first car, then (x + 10) is the speed of the second car.

We can write the equation by the condition of the problem:

$\frac{120}{x}- \frac{120}{x+10}=1 \\ 120(x+10)-120(x)=1(x)(x+10) \\ 120x+1200-120x=x^2+10x \\ x^2+10x-1200=0 \\ D=b^2-4ac=10^2-4*1*(-1200) = 100+4800 = 4900 \\ x_{1,2}= \frac{-bб \sqrt{D} }{2a} \\ \\ x_1= \frac{-10- \sqrt{4900} }{2}= \frac{-10-70}{2} = -\frac{80}{2}=-40 \ \ \ \O$

$x_2= \frac{-10+ \sqrt{4900} }{2}= \frac{-10+70}{2} = \frac{60}{2}=30$ mph speed of the first car

Then 30+10=40 mph speed of the second car

Answer: 30mph and 40 mph.

I hope this helps.

8 0

3 years ago