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uysha [10]
3 years ago
14

Complete the statement below to explain how this model shows that 1/3÷1/5=5/3

Mathematics
1 answer:
Galina-37 [17]3 years ago
3 0
To divide by a fraction, multiply by the reciprocal of that fraction.

1/3 • 5/1 or 1/3 • 5


Calculate the product straight across.

1/3 • 5/1 = 5/3



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Evaluate <br> (-315) ×4<br> with the correct explaination
Naya [18.7K]

\Large\textsf{\textbf{Answer\::}}

-1, 260

\large\textsf{\textbf{Calculations\;:}}

First , take a look at the signs of the numbers we're asked to multiply .

One of them is negative , and the other one is positive .

If we have a negative number times a positive number , the product is a positive number .

Multiply :

(-315) × 4

-1, 260 (Ans)

\footnotesize\text{hope\:helpful~}

3 0
2 years ago
How do i do this???????
Fittoniya [83]

Answer:

2y-4-6y-12=4

-4y=20

y= -5

Step-by-step explanation:

because (y+2)(y-2)=y^2-4

so we have the step to let the every part have the same denominator y^2-4

2(y-2)/(y+2)(y-2)  -6(y+2)/(y-2)(y+2)=4/(y-2)(y+2)

the denominators are the same so the equality .we just need the part over be the same 2y-4-6y-12=4

y= -5

3 0
2 years ago
the cost of a telephone call 75 cents plus 25 cents times the number of minutes. write an algebraic expression that models the c
Mrrafil [7]
Since the cost of the telephone cost is 25 cents per minute, and by using the variable you provided, "t", the equation thus far is 25t=cost, or 25 multiplied by "t".

Since the telephone also charges 75 cents at the start, we just have to add it into our equation, making 75+25t=cost of telephone call in cents.

answer: 75+25t=cost of telephone call in cents
5 0
3 years ago
What is the perimeter of this rectangle?
Natali [406]

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7 0
2 years ago
Help please
lord [1]

Answer:

<em>Functions evaluated at x = -1</em>

A. a(-1) = -2(-1) + 3 = 5

B. b(-1) = 0  (as per graph)

C. <u>Find the equation first:</u>

  • m = 4/8 = 1/2
  • c(x) = 1/2x - 4
  • c(-1) = -1/2 - 4 = -4.5

D.  d(-1) = (-1)² - 4 = -3

E. e(-1) = 2 (as per table)

F. f(-1) = 5/2 = 2.5 (as per graph)

G. g(-1) = 2(3)⁻¹ - 2 = 2/3 - 2 = - 1 1/3

H. h(-1) = 2 (as per table)

<u>The order:</u>

  • C >> D >> G >> B >> E and H >> F >> A
8 0
2 years ago
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