3 years ago

PLEASE ANSWER ASAP WORTH 10 PTS

Mathematics

1 answer:

Vilka [71]3 years ago

7 0

The answer is Vertical line

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How do I solve this problem<br><br> -2x+9y=15<br> x+7=4

Olegator [25]

Answer:

x= -3 and y =1

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3 years ago

Melinda rod her bike 54/100 mile to the library. then she rode 4/10 mile to the store. how far did Melinda ride her bike in all?

Lady_Fox [76]

94/100 miles is the answer. I dont know what form you wanted the answer in but yeah.

3 0

3 years ago

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

4 years ago

5th grade math. Correct answer will be marked brainliest.

Triss [41]

Answer:

ur welcome :)

Step-by-step explanation:

1) 2 places to the left

2) 2 places to the left

3)0.313

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3 years ago

College roommates John and David were driving home to the same town for the holidays. John drove 55 mph, and David, who left an

givi [52]

Answer:

11 hours

Step-by-step explanation:

7 0

3 years ago