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kipiarov [429]
3 years ago
14

Please help I have no clue what I'm doing!!! Thanks :)

Mathematics
1 answer:
Kamila [148]3 years ago
4 0
A^2 + b^2 = c^2 That's the Pythagorean Theorem
Sin B = b/c
m<A + m<B = 90° because there are 180° in a triangle
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Alegebra liner equations.
luda_lava [24]
1. The answer would be (D). This is because you will plug is the (x) of the ordered pair into the equation(y=-2x), so first off would be (y=-2(-2)). since your multiplying a negative time a negative, you will get your (y) which is 4. Now you do this with the rest. -2(1)=-2 and -2(3)=-6.
2. This would be (A). This answer is simple. First you will take one of the equations (y=-x-1) and plug x into it's place so, y=-3-1, getting your answer(y) as being -4. Now you do the same with the other pair. y=-5-1, getting -6, showing (A) as your answer.
3.The answer will be (A)y is 2 times x. this is because you wou would make out the equation from the answer (y=2x). Now knowing your equation, all thats left is plugging in your (x) factors. so y=2(1), getting your (y) value of 2 and you would do this with the rest of your x factors. 
4. y=5+x
    y=5+(2)= 7
    y=5+(3)= 8
    y=5+(4)= 9
5. (B)y is 3 times x
    y=3(x)
    y=3(3)=9
    y=3(4)=12
    y=3(5)=15
6. (C)y is 6 less than x
    y=6-(x)
    y=6-(8)=2
    y=6-(9)=3
    y=6-(10)=4
5 0
3 years ago
What is the surface area of the cube shown?
Kryger [21]

Step-by-step explanation:

solve for surface area

A=6a^2

a=edge

3 0
3 years ago
If a printer prints 28 copies in 1 minute how many would it print in 3 minutes and 45 seconds?
Wittaler [7]

3minutes 45 seconds = 3 45/60 = 3.75 minutes

28 copies/ 1 minute = x copies/3.75 minutes

using cross products

28 * 3.75 = 1 * x

105 = x

We can print 105 copies in 3 3/4 minutes

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3 years ago
Super easy math help please
Bess [88]
If I was u I would use Photomath Bc it is super easy and answers almost all your answers

5 0
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in my numbers l. the digit in the ones place is double the digit in the tens place. the sum of the digits is 3. my number is?
ANEK [815]

is it 1 + 2=3. are is it 2+1=3. are you a  boy  are  not

6 0
3 years ago
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