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2 years ago

HELP PLEASE identify the solution to the system of equations

Mathematics

1 answer:

nasty-shy [4]2 years ago

4 0

Answer:

solved graphically,

it's just the point where the two lines intersect

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If a kid was playing for 4 hours and he did 9 activitys how much time did each activity take

nadezda [96]

Answer:

26.6667 minutes or 0.444 hours per activity.

Step-by-step explanation:

If he spent an equal amount of time on each activity, then it would have to be divided equally: 4hours/9

In minutes:

4 x 60 = 240 minutes

240/9

26.6667 minutes per activity.

In Hours:

4/9

0.444 hours per activity.

3 0

2 years ago

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Ratio equivalent to 48:24

Evgen [1.6K]

48:24 = 24:12 = 12:6 = 6:3 (divide each number by 2 or multiply by 2)

3 0

3 years ago

Solve the inequality and express your answer in interval notation x^2+8x+5 <0

irakobra [83]

The interval notation is $(-\sqrt{11}-4, \sqrt{11}-4)$

Explanation:

The inequality is $x^{2}+8 x+5$

Let us complete the square, we get,

$x^{2}+8 x+5+4^{2}-4^{2}$

Simplifying, we have,

$(x+4)^{2}+5-4^{2}$

$(x+4)^{2}-11$

Adding both sides of the equation by 11, we get,

$(x+4)^{2}$

Since, we know that for $u^{n}$ , if n is even then $-\sqrt[n]{a}$

Thus, writing the above expression in this form, we get,

$-\sqrt{11}$

Also, if $a$ then $a$ and $u$

Then ,we have,

$-\sqrt{11}$ and $x+4$

Solving the inequalities, we get,

$-\sqrt{11}\ \ \ \ \ \$ and $x+4$

Merging the intervals, we have,

$-\sqrt{11}-4$

Hence, writing the solution in interval notation, we have,

$(-\sqrt{11}-4, \sqrt{11}-4)$

Therefore, the answer is $(-\sqrt{11}-4, \sqrt{11}-4)$

7 0

3 years ago

Evaluate 5- t/3 when t = 12

raketka [301]

Answer:

the answer hopefully should be 1

3 0

2 years ago

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What are the degrees of the missing angles? O 30-60 O 90-30 45-45 20-80

ycow [4]

Answer:

Step-by-step explanation:

What are the degrees of the missing angles

3 0

3 years ago