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3 years ago

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Mathematics

1 answer:

weqwewe [10]3 years ago

4 0

Step-by-step explanation:

To divide fractions, we have to focus on 4 steps, which are:

1: Change to improper fractions

2: Keep the same

3: Change the sign to multiplication

4: Flip the 2nd fraction in the equation

So, step one:

1/3 / 4/5

Step two:

1/3 / 4/5

Step three:

1/3 x 4/5

Step four:

1/3 x 4/5 = (4 / 15)

4/15 is in simplist for.

Therefore, your answer is 4/15.

Best of Luck to you!!

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Using the Vertical Method to multiply these two polynomials, fill in the values for A, B, and C

yawa3891 [41]

Answer:

A = 8x^2

B = 6x^3

C = -23x

Step-by-step explanation:

A: -4 * -2x^2

A: 8x^2

B: -3x * -2x^2

B: 6x^3

C: -8x -15x

C: -23x

Hope this helps!

4 0

3 years ago

Randy, Sandy and Todd are my cousins and their combined age is 87 years. Randy is four times as old as Sandy, but Todd is actual

NISA [10]

Answer:

Randy is 48 years old

Sandy is 12 years old

Todd is 27 years old

Step-by-step explanation:

Given

Represent their ages with the first letters of their names:

$R + S + T = 87$

$R = 4 * S$

$T = 15 + S$

Required

Determine their individual ages

We'll solve the above equations using substitution method of simultaneous equations

Substitute 15 + S for T and 4 * S for R in $R + S + T = 87$

This gives:

$4 * S + S + 15 + S = 87$

$4 S + S + 15 + S = 87$

Collect Like Terms

$4 S + S + S = 87 - 15$

$6S = 72$

Divide through by 6

$S = 72/6$

$S = 12$

This implies that Sandy is 12 years old

Substitute 12 for S in $R = 4 * S$ and $T = 15 + S$

$R = 4 * 12$

$R = 48$

$T = 15 + 12$

$T = 27$

This implies that Randy is 48 years old and Todd is 27

7 0

3 years ago

Which pair of expressions is equivalent? A. f + g + f + g and 2(f +g) B. 2f + 4g – f – g and 2(f + g) C. 0.5f + g + 1.5f – g and

Ivan

Answer:

disdifisdifd

Step-by-step explanation:

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3 years ago

Help please!!! √−100 = + i

Semmy [17]

Answer:

$\sqrt{-100}=10i$

Step-by-step explanation:

If you're asking what is $\sqrt{-100}$ :

$\sqrt{-1}\sqrt{100}\\\sqrt{100}i\\10i$

Otherwise, $\sqrt{-100}=i$ is not true.

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4 years ago

Explain how rays AB and AC form both a line and an angle.

ANEK [815]

Answer:

Step-by-step explanation:

if CAB is a st. line and has arrows at end points then CAB is a straight line and also a straight angle (180°).

6 0

4 years ago

Read 2 more answers