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Evgesh-ka [11]
4 years ago
12

Using the breaking apart method,what is the best way to multiply 8 by 7?

Mathematics
1 answer:
Veseljchak [2.6K]4 years ago
5 0
If we multiply 8 and 7 we get the answer:
8 x 7 = 56
Now we are going to break apart the number in such a way that we still get the answer 56.
we can split 8 into 2 equal parts 4 and 4, so
8 = 4+4
but 7 cannot break apart in equal part so,
(4+4) x 7 = 56
we can also add 7,  8 times or add 8 7 times and still get the answer 56,
7+7+7+7+7+7+7+7=56
8+8+8+8+8+8+8 = 56
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How to find the lowest common denominator of two fractions?
vesna_86 [32]
See what number both can go into: If you have 2/4 and 1/8 both have a multiple of 8. Since the multiples of 4 are : 4,8 and 8 can go into 8.
4 0
3 years ago
PLEASE HELP ! what is f(5)<br> A) 0<br> B) 5<br> C) -7<br> D) -5
NeX [460]
<h2 /><h2>⇒</h2><h3>f(x) = f(5) \\  = 5f</h3>

<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>

4 0
3 years ago
Read 2 more answers
Which pair of functions represents a decomposition of f(g(x)) = | 2(x + 1)2 + (x + 1) | ? f(x) = (x + 1)2 and g(x) = | 2x + 1 |
hoa [83]

Answer:

f(x) = |2\cdot x^{2}+x| and g(x) = x+1

Step-by-step explanation:

Let f \circ g\, (x) = |2\cdot (x+1)^{2}+(x+1)|, a composition consist in replacing the variable of the first function (f(x)) with the second function (g(x)). By observation, it is quite evident that g(x) = x+1, whereas f(x) = |2\cdot x^{2}+x|.

7 0
3 years ago
The length of a rectangle is 8 inches longer than the width. If the area is 295 square inches, find the
sladkih [1.3K]

Answer:

L=21.6in and w=13.6

Step-by-step explanation:

If the length is 8 inches longer than its width, we can write the width as "w" and the length as the width w+ 8

Area is (width)(Length) = (width)(width+8)

W

----------

| |

| |

| | L = w+8

| |

| |

-----------

A = (w+8)(w)

A = w2 + 8w = 295.

(Problem states that area is 295 sq in)

Need to solve this quadratic equation

w2 +8y - 295 = 0

Factor:

(w - 13.64) (w + 21.64) = 0

So

w - 13.64 = 0. or. w + 21.64= 0

Solve these and get

w = 13.64. or. w = -21.64

Only one that makes sense in real life is the poitive one.

So the dimensions are

Width = 13.64 inches

Length = 21.64 inches

7 0
3 years ago
Is the ordered pair (6,5) a solution to the equation 3x - 4y = -2? Explain.
Citrus2011 [14]
X=4y/3 - 2/3 is the awnser
5 0
3 years ago
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