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2 years ago

Hurry please!!!!

Mathematics

1 answer:

Ivenika [448]2 years ago

5 0

The answer is B cot

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What is the sum of 1/4 and 3/8

kupik [55]

$\dfrac{1}{4}+\dfrac{3}{8}=(*)\\Find\ LCD\ (Least\ Common\ Denominator)\\list\ the\ multiples\\of\ 4:\ \ 0;\ 4;\ \fbox8;\ 12;...\\of\ 8:\ \ 0;\ \fbox8;\ 16;\ 24;\ ...\\LCD\left(\dfrac{1}{4};\ \dfrac{3}{8}\right)=8\\\\(*)=\dfrac{1\cdot2}{4\cdot2}+\dfrac{3}{8}=\dfrac{2}{8}+\dfrac{3}{8}=\dfrac{2+3}{8}=\dfrac{5}{8}$

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3 years ago

Twenty-five percent of 200 is what number? O 8 O 20 0 50 0 100

Yakvenalex [24]

Answer:

Step-by-step explanation:

.25 goes into 100 4 times, 50 goes into 200 4 times :)

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3 years ago

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Find the solution to the system of linear equations y = 5x + 4 and y = −3x + 12 using the intersection method. Check your answer

Umnica [9.8K]

Answer:

The solution to the system of linear equations is (1,9).

Step-by-step explanation:

The given system of linear equations

$y=5x+4$ ... (1)

$y=-3x+12$ .... (2)

Subtract equation (2) from equation (1) to eliminate y.

$y-y=(5x+4)-(-3x+12)$

$0=5x+4+3x-12$

On combining like terms, we get

$0=(5x+3x)+(4-12)$

$0=8x-8$

Add 8 on both sides.

$0+8=8x-8+8$

$8=8x$

Divide both sides by 8.

$1=x$

The value of x is 1.

Substitute x=1 in equation (1).

$y=5(1)+4$

$y=5+4$

$y=9$

The value of y is 9.

Therefore the solution to the system of linear equations is (1,9).

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2 years ago

Is -7 rational Helppppppp

Finger [1]

Answer:

Rational numbers are fractions composed of integers. An integer is a number with no fractional part. So 7/8 is a ratio of whole numbers, which makes it rational. Negative or positive does not matter.

Step-by-step explanation:

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3 years ago

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How many minutes would you have to exercise each day to have a resting heart rate of 60 beats per minute?

Svetradugi [14.3K]

Answer:

i think 2-3 min.

Step-by-step explanation: i wish it's help u

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2 years ago