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rosijanka [135]
3 years ago
7

What is 2 (3x+7) = 4

Mathematics
2 answers:
KIM [24]3 years ago
7 0

Answer:

x = -5/3

Step-by-step explanation:

2(3x+7) = 4

6x + 14 = 4

Subtract 14 from both sides,

6x = 4-14

6x = -10

Divide by 6 on both sides,

x = -10/6 = -5/3

Nataly_w [17]3 years ago
7 0

Answer:

x = -6/10

Step-by-step explanation:

First distribute so you get 6 x + 14 = 4

Then subtract by 14 so you get 6 x = -10

And divide by 6 to get x = - 6/10

2 (3x+7) = 4

6 x + 14 = 4

6 x = -10

x = -6/10

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Lena [83]

Answer:

no

Step-by-step explanation:

it is not strait

Hope this works!

7 0
3 years ago
A battery with a voltage of 3 V provides a voltage of 0.56 C to some circuits. Calculate the electrical power provided by this b
Assoli18 [71]

Answer:

The power is 1.68 W.

Step-by-step explanation:

Voltage, V = 3 V

charge, q = 0.56 C

time, t = 1 s

The power is given by

P = V q/t

P = 3 x 0.56 / 1

P = 1.68 W

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3 years ago
Please help with #13 and #14 (with step by step instructions)
snow_tiger [21]
Number 13 A is talking about the height of the triangle which is 112 and 13 B is talking about what degree the angle is which is 90 degrees number 14 is talking about the height with you will have to divide 1375 ➗ 27°
5 0
3 years ago
What is the answer to 7x-2=5x+16
devlian [24]

Answer:

x=9

Step by step explanation:

Add 2 to both sides, simplify, subtract 5x from both sides

7 0
3 years ago
Read 2 more answers
Please help!
mariarad [96]

Answer: 1,045 passengers

Step-by-step explanation:

This question involves multiple steps. Let's first try to figure the number of children on the cruise.

The ratio of girls to the total number of children was 2:5. There are 198 boys.

This information tells me that for every 5 children, there's 2 girls and 3 boys.

Based off of this information, we can divide the total number of boys by 3 in order to find the number of children.

198÷3=66

Let's multiply 66 by 5 since that's the number of groupings based off the ratio.

66×5=330

Let's check the number of children. Since the ratio of girls to total children is 2:5 and we already confirmed there's 198 boys, there should be 132 girls. We can turn this ratio into a fraction where 2/5 of the children are girls. we can confirm this by multiply 330 by 2/5 (0.4) and getting 132.

There are 330 children on the cruise.

The ratio of the number of adults to the number of children was 13:6.

For every 6 children, there were 13 adults. Let's divide the number of children by 6 in order to find the number of groupings.

330÷6=55

Let's now multiply the groupings by 13 to find the number of adults.

55×13=715

So there should be 715 adults and 330 children on the cruise.

715+330=1,045

5 0
3 years ago
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