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Serhud [2]
3 years ago
5

Plz help me or I will get my phone taken away

Mathematics
2 answers:
Leokris [45]3 years ago
4 0
5 divided by nine multiply by n equal 4 divided by nine times n plus 4
5/9*n subtract 4/9 multiply n equals 4
1/9*n equal 4
n=36
LUCKY_DIMON [66]3 years ago
3 0
I believe it’s 18 because you find 5 then another 4 which is 9 and you guys already had 9, 9 plus 9 equal 18
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[02.05] Marcie solved the following inequality, and her work is shown below: −2(x − 5) − 12 ≤ 4 + 6(x + 3) −2x + 10 − 12 ≤ 4 + 6
Nezavi [6.7K]
Hi there! Marcie made a mistake in the last step of the solving process.

Let's solve this problem step by step!
−2(x − 5) − 12 ≤ 4 + 6(x + 3)

First work out the parenthesis, which can for instance be done using rainbow method.

−2x + 10 − 12 ≤ 4 + 6x + 18
The parenthesis are worked out correctly. Remember that multiplying a negative by a negative gives you a positive.

Now we can collect the terms.
−2x − 2 ≤ 6x + 22

The terms are collected correctly.

Next up is subtracting 6x from both sides and adding 2 to both sides of the inequality.
−8x ≤ 24

This step is also correct.
Finally we must divide both sides of the inequality by -8 to find our answer. Be aware of the fact that the sign flips when dividing by a negative!

x ≤ −3
Mistake! Marcie forgot to flip the sign. Instead the answer should be x \geqslant - 3

~ Hope this helps you!
4 0
3 years ago
A, B and C are points on a circle.
Ne4ueva [31]

Answer:

44/3 degrees

Step-by-step explanation:

Angle CBD = 180 - (64 + 72) = 44

Angle ADB = 44/3 (Since of the ratio)

8 0
3 years ago
What is the result when 3/8x + 2 1/5 is subtracted from 3 1/2x - 4 1/10?<br><br> Don’t put a link.
Umnica [9.8K]

Answer:

Option 3 3 1/8x - 6 3/10

Step-by-step explanation:

(3 1/2x - 4 1/10) - (3/8x + 2 1/5)

Divide it into parts:

(3 1/2x - 3/8x) + (-4 1/10 - 2 1/5)

3 1/2x - 3/8x = 3 4/8x - 3/8x = 3 1/8x

-4 1/10 - 2 1/5 = -4 1/10 - 2 2/10 = -6 3/10

So we get:

2 1/4x - 6 3/10

6 0
2 years ago
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Reed has 8 more pennies than quarters. He saved 5 times as many pennies as quarters. How much money does he have in all ? Answer
mariarad [96]

Answer:

40 pennies

Step-by-step explanation:

6 0
3 years ago
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JulsSmile [24]

Answer:

solve for x first and then y

Step-by-step explanation:

once you know what x is than y , ur answer will equall out

6 0
3 years ago
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