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user100 [1]
3 years ago
6

Hola alguien sabe y me explique como puedo resolver esto me dice que use los numeros dados y que haga una familia de hechos para

cada uno.
5. 4. 9
____+_____=
____+_____=
____-_____=
____-_____=
Mathematics
1 answer:
VMariaS [17]3 years ago
6 0
5+4=9 es uno 4+5=9 es Otro 9-5=4 es Otro 9-4=5
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Describe the graph of the function. y = |x – 4| – 7
Lemur [1.5K]

Answer:

This is always ''interesting'' If you see an absolute value, you always need to deal with when it is zero:

(x-4)=0 ===> x=4,

so that now you have to plot 2 functions!

For x<= 4: what's inside the absolute value (x-4) is negative, right?, then let's make it +, by multiplying by -1:

|x-4| = -(x-4)=4-x

Then:

for x<=4, y = -x+4-7 = -x-3

for x=>4, (x-4) is positive, so no changes:

y= x-4-7 = x-11,

Now plot both lines. Pick up some x that are 4 or less, for y = -x-3, and some points that are 4 or greater, for y=x-11

In fact, only two points are necessary to draw a line, right? So if you want to go full speed, choose:

x=4 and x= 3 for y=-x-3

And just x=5 for y=x-11

The reason is that the absolute value is continuous, so x=4 works for both:

x=4===> y=-4-3 = -7

x==4 ====> y = 4-11=-7!

abs() usually have a cusp int he point where it is =0

Step-by-step explanation:

5 0
3 years ago
1. if a = 16 and b= 12, find c
klasskru [66]

Answer:

20

Step-by-step explanation:

The pythagorean theorem states that

a^2+b^2=c^2

So 16^2 + 12^2 = c^2\\256+144 = c^2\\400 = c^2

You would then do

400 = c^2\\\sqrt{400} = c

Because a square root is the opposite of a square.

\sqrt{400} = 20

because 20 * 20 = 400

7 0
3 years ago
Matt wants to purchase a gasoline motor scooter. The gas mileage 75 miles for each 1/2 gallon of gasoline. How many miles will M
Paraphin [41]

Answer: 750 miles

Step-by-step explanation:

The gas mileage is 75 miles per 1/2 gallon of gasoline.

First find how many miles it can go on 1 gallon of gasoline:

= 75 ÷ 1/2

= 150 miles

If the scooter can go 150 miles on 1 gallon, the number of miles it will go on 5 gallons is:

= 5 * 150

= 750 miles

4 0
3 years ago
Michael bought 3 12 gallons of white paint at $17.50 each gallon and 134 gallons of blue paint at $19.00 each gallon. What was h
lutik1710 [3]

312 gallons of white paint, $17.50 each gallon

134 gallons of blue paint, $19 for each gallon

312 x 17.50 = $5,460

134 x 19 = $2,546

5460 + 2546 = $8,006

8 0
3 years ago
Berry Delicious is a popular shop that sells chocolate-covered strawberries. Last year, the shop used 6,540 kilograms of strawbe
Elenna [48]

Answer:

100% increase

Step-by-step explanation:

well first let's find out how much a 100% increase would be. 6,540 + 6,540(when trying to find a 100% change add the number to itself) = 13,080. that gets the answer, so there is no need to continue.

6 0
3 years ago
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