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Elenna [48]
3 years ago
8

smiddle" class="latex-formula">
Mathematics
2 answers:
spayn [35]3 years ago
7 0

Answer:

v = 2

Step-by-step explanation:

Given

6(5 - 8v) + 12 = - 54 ← distribute and simplify left side

30 - 48v + 12 = - 54

42 - 48v = - 54 ( subtract 42 from both sides )

- 48v = - 96 ( divide both sides by - 48 )

v = 2

Lena [83]3 years ago
3 0

Answer:

v = 2

Step-by-step explanation:

6(5-8v)+12=-54 \\ 30 - 48v + 12 =  - 54 \\ 42 - 48v =  - 54 \\  - 48v =  - 54  - 42 \\  - 48v =  - 96 \\  \\ v =  \frac{( - 96)}{( - 48)}  \\  \\ v =  \frac{96}{48}  \\  \\ v = 2

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Determine the type and number of solutions of −4x2 − 3x + 7 = 0.
Kaylis [27]

Answer:

Step-by-step explanation:

You have to use the discriminant for this. If the quadratic is -4x^2-3x+7, then

a = -4, b = -3, and c = 7. The formula for finding the discriminant is

D=b^2-4ac which comes from the quadratic formula, but without the square root sign. Filling in:

D=(-3)^2-4(-4)(7) which simplifies down to

D = 9 + 112 so

D = 121. This is a perfect square, so the solutions will be 2 real. Just so you know, you will NEVER have a solution like the one offered in the third choice down. If you have one imaginary root, you will ALWAYS have a second by the conjugate rule.

7 0
3 years ago
Ashley's older brother, Jamaal, is planning to ride his bicycle from Los Angeles to Washington D.C., a distance of 2,668 miles.
Elden [556K]

Answer:

B.60

Step-by-step explanation:

He expects to take 2 months to complete the ride. What is the minimum number of miles that he must plan to ride each day to complete his ride in 60 days?

It's 60 miles per day to get to Los Angeles to Washington D.C

Hope it helped you brainiest plz and thank you!!!!!!!!!!!

7 0
2 years ago
Read 2 more answers
PLEASE HELP and Show your work please!!
bazaltina [42]

9514 1404 393

Answer:

  2)  3 pages per hour

  3)  4/29 km per minute

Step-by-step explanation:

Division by a fraction is the same as multiplication by the inverse of that fraction.

<h3>2) </h3>

  \dfrac{\ \dfrac{9}{4}\ }{\dfrac{3}{4}}=\dfrac{9}{4}\times\dfrac{4}{3}=\dfrac{36}{12}=\boxed{3\text{ pages per hour}}

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<h3>3) </h3>

  \dfrac{2\text{ km}}{\dfrac{29}{2}\text{ min}}=2\times\dfrac{2}{29}\text{ km/min}=\boxed{\dfrac{4}{29}\text{ km/min}}

8 0
2 years ago
Suppose a farmer is selling fresh produce at a local farmers market. She sells a quart of strawberries for $3.50 and a head of l
Triss [41]

Answer:Some farmers, such as cash grain farmers or dairy farmers, have large, well-established markets. They can use existing organizations to perform the marketing function for them, or they can band together, form a cooperative, and market their products jointly. Small-scale fruit and vegetable growers generally have more difficulty finding established markets; therefore, they usually develop marketing systems tailored to their unique situations.

Major Markets

Fruits and vegetables are produced seasonally, but the market requires products throughout the ye

Step-by-step explanation:

8 0
3 years ago
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Find the nth term of this sequence, 3, 6, 9, 12
miss Akunina [59]

Answer:

\large\boxed{\sf n^{th} \ term =3n}}

Step-by-step explanation:

Find common difference from subtracting any term in the sequence with the previous term.

\large{\sf 6-3}=3

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\large{\sf a_n=a_1+(n-1)d

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\large{\sf a_n=3+(n-1)3

\large{\sf a_n=3+3n-3

\large{\sf a_n=3n}

3 0
3 years ago
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