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vlada-n [284]
3 years ago
14

4x + 1 = 7x - 5 Solver for x

Mathematics
2 answers:
andreyandreev [35.5K]3 years ago
7 0

Answer:

x=2

Step-by-step explanation:

4x + 1 = 7x - 5

subtract 4x from each side

4x-4x + 1 = 7x-4x - 5

1 = 3x-5

Add 5 to each side

1+5 = 3x-5+5

6 =3x

Divide by 3

6/3 =3x/3

2 =x

Luba_88 [7]3 years ago
3 0

Answer:

The answer would be x=2.

Step-by-step explanation:

Step 1: (Multiply)

4 x 2 = 8.

Step 2: (Add)

8 + 1 = 9.

Step 3: (Multiply 2nd problem)

7 x 2 = 14.

Step 4: (Subtract)

14 - 5 = 9.

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Azmir's checking account pays 0.75% interest monthly and has a $7.50 service fee. If Azmir's balance last month was $825, find t
svetlana [45]

Answer:

Debit of $ 1.31

Step-by-step explanation:

Here, the initial amount in the account = $ 825,

Monthly interest on the amount = 0.75 % of initial amount

=\frac{825\times 0.75}{100}

=\frac{618.75}{100}

=$ 6.1875

And, the service charge = $ 7.50,

Thus, the final amount = Initial amount + Monthly interest - Service charge

= $ 825 + $ 6.1875 - $ 7.50,

= $ 823.6875

So, the total changes in the amount = final amount -  Initial amount

=  $ 823.6875 - $ 825 = -1.3125 ≈ - 1.31

Since, negative sign shows the amount is debited,

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3 years ago
Belle and Mabel are both 8-week-old puppies of different breeds. Belle has a mass of 12
balandron [24]

Answer:

3:1

Step-by-step explanation:

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6 0
3 years ago
Carl is standing at the top of 35 Ft cliff looking down at a rock for motion in the sea. He estimates the angle of depression is
Liula [17]

The horizontal distance between Carl and the rock at sea is approximately 60.62ft.

Data;

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<h3>Trigonometric Ratio</h3>

Given the angle of depression from his point to the sea, we can use trigonometric ratio to calculate for the horizontal distance from his location to the bottom of the sea.

SOHCAHTOA

Since we have the value of angle and opposite and we need to calculate the adjacent side of the right-angle triangle, we can use the tangent of the angle to this effect.

Tan\theta = \frac{opposite}{adjacent} \\tan 30 = \frac{35}{x}\\ x = \frac{35}{tan30}\\ x = 60.62ft

The horizontal distance between Carl and the rock at sea is approximately 60.62ft.

Learn more on trigonometric ratio here;

brainly.com/question/12172664

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2 years ago
a washer and a dryer cost $970 combined . the washer costs $70 more than the dryer . what is the cost of the dryer ?
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Answer:

415

Step-by-step explanation:

970 divided by 2 = 485, 485 + 70 = 555

970 - 555 = 415, so your answer is 415

3 0
3 years ago
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Answer:

Four and twenty nine thousandths

Step-by-step explanation:

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