2 years ago

Ok is it 15/28 or 75/135 thatx is evuviulent to 25/45

Mathematics

1 answer:

Aleonysh [2.5K]2 years ago

4 0

You also need to brake down this answer farther.

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Which sequence of transformations will only produce a figure similar to but not congruent to the figure ABCD

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2 years ago

Points representing 0.20, 0.35 and 0.42 are plotted on the number line.

SashulF [63]

Answer:

0.42 > 0.35

Step-by-step explanation:

' > ' means greater than

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2 years ago

Rob mixed 3.7 grams of salt into a pot of soup he was cooking. Before he served the soup, Rob added 0.5 grams of salt. How much

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3 years ago

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2 years ago

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A plane is descending into the airport. After 5 minutes it is at a height of 6500 feet. After 7 minutes it is at a height of 590

Jet001 [13]

Let's assume

height of plane in feet =h

time in minutes =t

we are given

A plane is descending into the airport. After 5 minutes it is at a height of 6500 feet

so, we get one point as (5,6500)

After 7 minutes it is at a height of 5900 feet

so, we get another point as (7,5900)

we can use point slope form of line

$y-y_1=m(x-x_1)$

points as

(5,6500)

x1=5, y1=6500

(7,5900)

x2=7 , y2=5900

Calculation of slope(m):

$m=\frac{y_2-y_1}{x_2-x_1}$

now, we can plug values

$m=\frac{5900-6500}{7-5}$

$m=-300$

Equation of line:

we can use formula

$y-y_1=m(x-x_1)$

we can plug values

$h-6500=-300(t-5)$

$h=-300t+8000$

Time of landing:

we can set h=0

and then we can solve for t

$h=-300t+8000=0$

$t=\frac{80}{3}min$ ..............Answer

5 0

3 years ago