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Alex Ar [27]
3 years ago
15

I need help with my multiplying mixed numbers by whole numbers

Mathematics
1 answer:
Lelechka [254]3 years ago
6 0
So what you can do is lets say you have to multiply 5/6 by 3 you just make 3 into a mixed number 2 6/6 and multiply it like that.
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Are ADB and BDC complementary, supplementary, or neither? Explain.
prisoha [69]

Step-by-step explanation:

Two angles are called supplementary when their measures add up to 180 degrees.

<ADB + <BDC = 180°

IT'S seen that BOTH ADB and BDC are 90 degrees

90+90= 180

5 0
3 years ago
Read 2 more answers
Solve using square root method
avanturin [10]
\frac{1}{2}(x+5)^2 + 9 = -15

\frac{(x+5)^2+18}{2} =  \frac{-30}{2}

Cancel out the denominators.

(x+5)² + 18 = -30

(x+5)² = -30 - 18

(x+5)² = -48

The equation is impossible, we have a negative number.

There isn't a number that squared gives a negative number (the square is always positive).

√(x+5)² = +/- √-48

x+5 = +/- √-48

IMPOSSIBLE

You can write the result in imaginary numbers

x+5=+/- 4i√3
6 0
3 years ago
Find the cost of (a) kg of sugar when (b) kg of sugar costs $(c)​
rusak2 [61]

Answer:

ac/b

Step-by-step explanation:

3 0
3 years ago
3. The width of a rectangle is 4 feet less than the length. The area is
mina [271]

Answer:

L = 6, w = 2

Step-by-step explanation:

Let w = width of rectangle

Let L = length of rectangle

w = L - 4

Area of rectangle = Lw

L (L - 4) = 12

L^2 - 4L = 12

L^2 - 4L - 12 = 0

(L - 6)(L + 2) = 0

L - 6 = 0

L = 6 (the other option doesn't work because dimensions can't be negative)

w = L - 4

w = 6 - 4

w = 2

Double check

A = Lw

A = 6 x 2

A = 12

It matches so we are right.

6 0
3 years ago
X+y=5 and x-3y=3 linear equation I don't get an answer that makes sense
ddd [48]
If you want it to be y=mx+b form then the equations should look like this: y=x+5 and y=-1/3x+1.
3 0
3 years ago
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