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nata0808 [166]
3 years ago
9

3w=-6w-12/4 what value of w makes this true

Mathematics
1 answer:
Rasek [7]3 years ago
6 0

Answer:

w = -1/3

Step-by-step explanation:

3w = -6w - 12/4

(divide)

3w = -6w - 3

(Subtract -6w from both sides, aka add since its two negatives)

9w = -3

(divide both sides by 9)

w = -3/9

(simplify fraction)

w = -1/3

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How much is a gallon of milk in kg
AleksandrR [38]

Answer:

Weight per gallon of milk comes about 8.4 pounds for the milk that has 2% of fat and comes approximately to 8.6 pounds of whole milk.

3 0
3 years ago
"the sum of d and 9.
ozzi

Answer:

d+9

Step-by-step explanation:

sum implies addition

so you would add d and 9

since d is a variable the most you can simplify is

d+9

6 0
3 years ago
Read 2 more answers
Suppose that a cyclist began a 476
mojhsa [17]
Well, we know the cyclist left the western part going eastwards, at the same time the car left the eastern part going westwards

the distance between them is 476 miles, and they met 8.5hrs later

let's say after 8.5hrs, the cyclist has travelled "d" miles, whilst the car has travelled the slack, or 476-d, in the same 8.5hrs

we know the rate of the car is faster... so if the cyclist rate is say "r", then the car's rate is r+33.2

thus    \bf \begin{array}{lccclll}
&distance&rate&time\\
&-----&-----&-----\\
\textit{eastbound cyclist}&d&r&8.5\\
\textit{westbound car}&476-d&r+33.2&8.5
\end{array}\\\\
-----------------------------\\\\
\begin{cases}
\boxed{d}=8.5r\\\\
476-d=(r+33.2)8.5\\
----------\\
476-\boxed{8.5r}=(r+33.2)8.5
\end{cases}

solve for "r", to see how fast the cyclist was going

what about the car? well, the car's rate is r + 33.2
6 0
3 years ago
50 points! I will mark brainliest! Random answers will be reported :)
ASHA 777 [7]

Answer:

x=10

Step-by-step explanation:

Notice that all three sides of the given triangle has one tick mark.

This means that all three sides are congruent, meaning that we have an equilateral triangle.

And for equilateral triangles, all three angles are also congruent.

So:

\angle CBA=\angle BAC=\angle ACB

Also, recall that the interior angles of a triangle is always 180. Thus:

\angle CBA+\angle BAC+\angle ACB=180

Substitute:

\angle CBA+\angle CBA+\angle CBA=180

Combine like terms:

3\angle CBA=180

Substitute:

3(6x)=180

Multiply:

18x=180

Thus:

x=10

And we are done!

3 0
3 years ago
Solve the system of equations by substitution. Simplify your answer. Write the
pychu [463]

Answer:

x = 5     y = 2

Step-by-step explanation:

3x + 2(3x - 13) = 19

3x + 6x - 26 = 19

9x = 45

x = 5

y = 3(5) - 13

y = 15 - 13

y = 2

4 0
3 years ago
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