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LuckyWell [14K]
2 years ago
9

MADEAAA HELPPPPPPPPPPPPP MEEEEEEEEE

Mathematics
1 answer:
fomenos2 years ago
3 0

Answer:

7 inches

Step-by-step explanation:

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Show the formula for finding the area of a triangle. Then find the area of a right triangle with a base of 19 cm and a height of
snow_tiger [21]
The answer is 61.75 because you have to do base times height then divide that answer by two
5 0
3 years ago
1+ 2/5 × 4/5 ÷ 1/2( these are fractions btw)
daser333 [38]
ANSWER : 41/25 or in simplest form 1 16/25 . it could also be 1.64 in decimal form .
8 0
2 years ago
Read 2 more answers
You are searching for two integers. The sum of twice the first integer and three times the second integer is nine. At the same t
devlian [24]

Answer:  -3 and 5

<u>Step-by-step explanation:</u>

Let x represent the 1st digit and y represent the 2nd digit. Then,

Eq 1: 2x + 3y = 9   →    3(2x + 3y = 9)     →     6x + 9y = 27

Eq 2: 3x + 2y = 1   →   -2(3x + 2y = 1)     →     <u>-6x - 4y =  -2</u>

                                                                              5y = 25

                                                                                y =  5

Substitute y = 5 into either of the original equations to solve for x:

2x + 3y = 9

2x + 3(5) = 9

2x + 15 = 9

2x        = -6

 x        = -3

Check (using the other original equation):

3x + 2y = 1

3(-3) + 2(5) = 1

-9    +  10   = 1

        -1       = 1  \checkmark

4 0
3 years ago
A sailboat travels a distance of 2 1/2 miles in 1/6 of an hour.Which complex fraction represents the unit rate in miles per hour
Viktor [21]
2 1/2 miles = 1/6 hours
2 1/2 miles * 6 = 1/6 hours * 6
12 1/2 miles = 6/6 hours
12 1/2 miles = 1 hour
12 1/2 miles/hr
8 0
3 years ago
A high-altitude spherical weather balloon expands as it rises, due to the drop in atmospheric pressure. Suppose that the radius
lord [1]
The increase of the radius is a linear increase since we have the constant rate of 0.07 inches per second

The equation for a linear growth/decay is given by the form y=mx+c where m is the rate of increase and c is the value of y when x=0

We have 
m = 0.07 
c=36 when t=0

So the equation is r=0.07t+36

The length of the radius when t=400 seconds is
r=0.07(400)+36
r=64 inches
7 0
2 years ago
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