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2 years ago

A line passes through the point (-8,1) and has a slope of -5/2

Mathematics

1 answer:

lilavasa [31]2 years ago

5 0

what's the rest of the question am i graphing it or am i writing it in slope-intercept

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2) Gold has a density of

gregori [183]

Answer:

V = 150/193 cm³

Step-by-step explanation:

Density = Mass/Volume

Substitute the given values into the equation.

19.3 = 15/V (Given)

19.3V = 15 (Multiplied V on both sides)

V = 150/193 (Divided 19.3 on both sides)

8 0

2 years ago

Let f (x)=2x-1 ,g (x)=3x,solve g (f (x))

Zolol [24]

G(x) = 3x
g(x) = 3*( x )
g(f(x)) = 3*( f(x) ) ... every x has been replaced with f(x)
g(f(x)) = 3*( 3x ) ... replace the f(x) on the right side with 3x
g(f(x)) = (3*3)x
g(f(x)) = 9x

8 0

2 years ago

Roberta has $4.00 in dimes and quarters. She has 5 more dimes than quarters. Write a system of equations that you could use to f

MakcuM [25]

Answer:

$\left\{\begin{array}{l}25x+10y=400\\y=x+5\end{array}\right..$

Step-by-step explanation:

Let x be the number of quaters and y be the number of dimes Roberta has.

1. Quater is equal to 25 cents, then x quaters is equal to 25x cents. Dime is equal to 10 cents, then y dimes is equal to 10y cents. $4.00=400 cents, then

25x+10y=400.

2. Roberta has 5 more dimes than quarters, then

y=x+5.

3. The system of equations is

$\left\{\begin{array}{l}25x+10y=400\\y=x+5\end{array}\right..$

Substitute second equation into the first one:

$25x+10(x+5)=400,\\ \\25x+10x+50=400,\\ \\35x=350,\\ \\x=10,\ y=10+5=15.$

10 quaters and 15 dimes

8 0

2 years ago

The sum of 9 is multiplied by -2 and the answer is 90. find my number

OLga [1]

The number is 45 because 9 times 5 is 45 times -2 is 90

8 0

2 years ago

19/60 converted to a decimal

evablogger [386]

Answer: 19/60 as decimal is approximately: 0.31667 (Rounded to fifth decimal place)

Explanation: hope this helps

5 0

2 years ago

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