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Radda [10]
3 years ago
6

I need some math help!

Mathematics
1 answer:
noname [10]3 years ago
6 0
Well i dont know what you need help but hears some formulas
1 kilometer = 1,000 meters 1 mile = 1,760 yards 1 meter = 100 centimeters 1 mile = 5,280 feet 1 centimeter = 10 millimeters 1 yard = 3 feet 1 foot = 12 inches 1 liter = 1,000 milliliters 1 gallon = 4 quarts 1 gallon = 128 ounces 1 quart = 2 pints 1 pint = 2 cups 1 cup = 8 ounces  1 kilogram = 1,000 grams 1 ton = 2,000 pounds 1 gram = 1,000 milligrams 1 pound = 16 ounces 1 year = 365 days 1 year = 12 months 1 year = 52 weeks 1 week = 7 days 1 day = 24 hours 1 hour = 60 minutes 1 minute = 60 seconds

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Select all the groups the number pi belongs to:
amm1812
0.33 is rational 12 = Whole , real , irrational
4 0
2 years ago
F (x) = -3x + 2x – 5 Whatisf (-1)?​
eduard

Answer:

f(-1) = -4

Step-by-step explanation:

f(-1) simply means that what is f(x) when x = -1?

Just plug in -1 for <em>x</em> to find your answer:

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

f(-1) = 3 - 2 - 5

f(-1) = 1 - 5

f(-1) = -4

7 0
3 years ago
Solve each system by substitution.<br> 5) 5x + 3y =-23<br> y = 4
docker41 [41]

Answer:

(- 7, 4 )

Step-by-step explanation:

Given the 2 equations

5x + 3y = - 23 → (1)

y = 4 → (2)

Substitute y = 4 directly into (1_

5x + 3(4) = - 23, that is

5x + 12 = - 23 ( subtract 12 from both sides )

5x = - 35 ( divide both sides by 5 )

x = - 7

Solution is (- 7, 4 )

3 0
3 years ago
Simply the equation 3x+1=2x+5<br>​
kipiarov [429]

Answer:4

Step-by-step explanation: 3x+1−2x=2x+5−2x

                                               x + 1 = 5

                                               x+1−1=5−1

                                                x=4

3 0
2 years ago
Read 2 more answers
A line passes through the point (8,-9) and has a slope of -5/2. Write an equation in slope intercept form for this line.
noname [10]

Answer:

y = - \frac{5}{2} x + 11

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - \frac{5}{2} , then

y = - \frac{5}{2} x + c ← is the partial equation

To find c substitute (8, - 9) into the partial equation

- 9 = - 20 + c ⇒ c = - 9 + 20 = 11

y = - \frac{5}{2} x + 11 ← equation of line

4 0
2 years ago
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