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kompoz [17]
2 years ago
15

Solve the equation for x: (4x+38) + (2x-18)=180

Mathematics
2 answers:
erastova [34]2 years ago
7 0

Answer:

x = 80/3

Step-by-step explanation:

(4x+38) + (2x-18)=180

Combine like terms

6x +20 = 180

Subtract 20 from each side

6x+20 -20 = 180-20

6x = 160

Divide by 6

6x/6 = 160/6

x = 80/3

BaLLatris [955]2 years ago
4 0

Answer:

80/3

Step-by-step explanation:

try mathw4y it helps alot.

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valkas [14]

f = t = n five ten and twenty

5n + 10n + 20n = 560

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4 0
3 years ago
The following set of numbers represents the number of hours a group of students spent reading over the course of two weeks.
irina1246 [14]

Answer:

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2 years ago
A bag had 7 orange rocks , 6 green rock , 1 white rock ,7 black rocks , and 2 yellow you randomly pull a rock from the bag ,keep
daser333 [38]

Answer:

Probability = \frac{7}{253}

Step-by-step explanation:

Given

Orange = 7

Green = 6

White = 1

Black = 7

Yellow = 2

Required

Probability of selecting a yellow then orange rock

From the question, we understand that the probability is that of without replacement.

Since the yellow, is first picked.

We need to determine the probability of picking a yellow rock, first.

P(Yellow) = \frac{n(Yellow)}{Total}

P(Yellow) = \frac{2}{7 + 6 + 1 + 7 + 2}

P(Yellow) = \frac{2}{23}

The rock has reduced by 1;

Next is to determine the probability of picking an orange rock

P(Orange) = \frac{n(Orange)}{Total - 1}

P(Orange) = \frac{7}{7 + 6 + 1 + 7 + 2- 1}

P(Orange) = \frac{7}{22}

The required probability is calculated as thus:

Probability = P(Yellow) * P(Orange)

Probability = \frac{2}{23} * \frac{7}{22}

Probability = \frac{14}{506}

Probability = \frac{7}{253}

4 0
3 years ago
-2=-(n-8) what would be the answer ​
Alexeev081 [22]

Answer:

n=10

Step-by-step explanation:

-2=-n+8

-n=-10

n=10

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3 years ago
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Is it asking you to tell them what the numbers that the letters substitute are??

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