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Serhud [2]
3 years ago
9

6(6v +6) - 5 = 1 + 6v Need answer with explaination

Mathematics
2 answers:
Tresset [83]3 years ago
6 0

Answer:

v=-1

Step-by-Step Explanation:

mart [117]3 years ago
6 0

Answer:

v=-1

Step-by-step explanation:

6\left(6v+6\right)-5=1+6v

<u>Use the distributive property to multiply 6 by 6v+6:</u>

<u></u>36v+36-5=1+6v<u></u>

<u>Subtract 5 from 36 = 31</u>

<u></u>36v+31=1+6v<u></u>

<u>Subtract 6v from both sides:</u>

<u></u>36v+31-6v=1<u></u>

<u>Combine like terms:</u>

<u></u>36v<u> and </u>-6v<u> </u>=30v<u></u>

<u></u>30v+31=1<u></u>

<u>Subtract 31 from both sides:</u>

<u></u>30v=-30<u></u>

<u>Divide both sides by 30:</u>

<u></u>\cfrac{30v}{30}=\cfrac{-30}{30}<u></u>

<u></u>v=-1<u></u>

<u>_________________________</u>

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A bottle contains 255 coins. 1/3 of the coins are ?1.00. 110 of the coins are 50p coins. the rest are 20p coins. work out the to
aliina [53]

Answer:

£152.

Step-by-step explanation:

We have been given that a bottle contains 255 coins. 1/3 of the coins are  £1.00.

Let us find 1/3 of 255 to find the number of £1 coins.

\£1\text{ coins}=\frac{1}{3}\times 255

\£1\text{ coins}=85

This means we have £85.

We are also told that 110 of the coins are 50 p coins.

\text{Value of 50 p coins}=\£0.50\times 110

\text{Value of 50 p coins}=\£55

Let us figure out number of 20 p coins by subtracting the number of £1 coins and 50 p coins from 255.

\text{Number of 20 p coins}=255-(85+110)

\text{Number of 20 p coins}=255-(195)

\text{Number of 20 p coins}=60

\text{Value of 20 p coins}=\£0.20\times 60

\text{Value of 20 p coins}=\£12

Now let us find total value of the coins contained in the bottle by adding the values of £1 coins, 50 p coins and 20 p coins.

\text{The total value of the coins}=\£85+\£55+\£12

\text{The total value of the coins}=\£152

Therefore, the total value of the coins contained in the bottle is £152.

4 0
3 years ago
Read 2 more answers
Please help ! Will mark brainliest!
Brrunno [24]

Answer:

$8

Step-by-step explanation:

if he works overtime for ten hours and earned $120 he makes $12 overtime pay. If you divide that by time and a half it's 8

5 0
3 years ago
What’s the answer i need help? Find slope using triangles and rise over run
allsm [11]

Answer:

slope is 1/3

Step-by-step explanation:

notice the points on the line, from the first point go one square up and three to the right, thats how i got 1/3    

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3 years ago
Please show working out thanks
IgorLugansk [536]

Answer:

10m x 15m

Step-by-step explanation:

You are given some information.

1. The area of the garden: A₁ = 150m²

2. The area of the path: A₂ = 186m²

3. The width of the path: 3m

If the garden has width w and length l, the area of the garden is:

(1) A₁ = l * w

The area of the path is given by:

(2) A₂ = 3l + 3l + 3w + 3w + 4*3*3 = 6l + 6w + 36

Multiplying (2) with l gives:

(3) A₂l = 6l² + 6lw + 36l

Replacing l*w in (3) with A₁ from (1):

(4) A₂l = 6l² + 6A₁ + 36l

Combining:

(5) 6l² + (36 - A₂)l +6A₁ = 0

Simplifying:

(6) l² - 25l + 150 = 0

This equation can be factored:

(7) (l - 10)*(l - 15) = 0

Solving for l we get 2 solutions:

l₁ = 10, l₂ = 15

Using (1) to find w:

w₁ = 15, w₂ = 10

The two solutions are equivalent. The garden has dimensions 10m and 15m.

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3 years ago
Two parallel lines are crossed by a transversal. Horizontal and parallel lines y and z are cut by transversal x. At the intersec
ruslelena [56]

Those two angles have the same measure, so you have

2k+11=131 \iff 2k=120 \iff k=60

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3 years ago
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