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2 years ago

I need help, I don't get this.

Mathematics

1 answer:

salantis [7]2 years ago

3 0

Answer:11 question

Y=5

X=3

Perimeter =16cm

Step-by-step explanation:

2x-4= 2*3=6-4=2

Y-3 = 5-3=2

3x-5=3*3=9-5=4

Y-1=5-1=4

2*(3+5)

=2*8

=16

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Marsha has some math exercises to do for homework. She did one half during study period and two thirds of those remaining while

Paha777 [63]

Answer: She has 1 5/6 exercises for homework.

Step-by-step explanation:

1/2 + 2/3 = 1 1/6

2 * 3 = 6 3 * 2 = 6

1 * 3 = 3 2 * 2 = 4

4 + 3/ 3 + 3

7/6 = 1 1/6

So, she finished 1 1/6 of her problems.

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3 years ago

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Graph the line passing through the given point and having the given slope (0,3), m=4

andriy [413]

Hint :-

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Solution :-

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Hence the equation is 4x - y + 3 = 0 

( for graph , see attachment ) .

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2 years ago

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Step-by-step explanation:

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3 years ago

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2 years ago

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3.8*10 to the 9th power divided by 4*10 to the 2nd power

user100 [1]

Answer:

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Step-by-step explanation:

1. Divide the coefficients and the exponentials separately

$\dfrac{3.8 \times 10^{9}}{4 \times 10^{2}} = \dfrac{3.8}{4} \times \dfrac{10^{9}}{10^{2}}$

2. Divide the coefficients

$\dfrac{3.8}{4} = 0.95$

3. Divide the exponentials

Subtract the exponent in the denominator from the exponent in the numerator.

$\dfrac{10^{9}}{10^{2}} = 10^{(9 - 2)} = 10 ^{7}$

4. Re-join the new coefficient and the new exponential

$\dfrac{3.8 \times 10^{9}}{4 \times 10^{2}} = 0.95 \times 10^{7}$

5. Put the new number into standard form

The number before the power of 10 must be greater than or equal to one and less than 10.

Multiply the answer by 10/10.

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3 years ago