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Galina-37 [17]
3 years ago
11

Brainliest! How can I solve this?

Mathematics
1 answer:
borishaifa [10]3 years ago
6 0
The parabola with the vertex is (-4,2)
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A person invests $2,630 in an account that earns 6.7% annual interest. Find when the value of the investment reaches $6,000. If
jekas [21]

interest= final investment - principal

interest / principal / annual interest rate = invested time

8 0
3 years ago
Wilma works at a bird sanctuary and stores birdseed in plastic containers. She has 2 small containers that hold 8 pounds of bird
Amanda [17]

Answer:

 60 lbs left over

Step-by-step explanation:  Since the small containers hold 8 lbs each you multiply 8 by 2 since there are 2 containers. Same for the large, multiply 9 by 12 because each container holds 12 lbs and there is 9 containers. Then, you subtract 4 from that total because she already used 4 lbs.

x=(2*8)+(9*12)-4 Multiply

x=16+108-4 Simplify

x=120

So, before she fills the bird feeders she has 120 lbs of bird seed. There are 30 bird feeders and since they hold 2 lbs each you multiply 30 and 2. Then you subtract that from the 120 lbs because she is filling the bird feeders with that seed.

120- (30*2)

120-60= 60 lbs left over

3 0
3 years ago
⦁ Leo designs a stand for the new statue on display at the local library. The stand is in the shape of a right trapezoidal prism
vlabodo [156]

If the surface area of the stand to be 35 ft². The number of ropes purchase is 45.3125ft and  Percent of stand area is 83%.

<h3> Number of ropes  and Percent of stand area</h3>

Given:

Base area=3ft²

Height=3.2 feet

Surface area=35ft²

a. Number of ropes

Surface area=2×Base area×Base perimeter×Height

Base perimeter(BP):

35=2×3+BP×3.2

35=6+3.2BP

Collect like term

3.2BP=35-6

3.2BP=9

Divide both side by 3.2BP

BP=29/3.2

BP=9.0625ft

Number of ropes=5×9.0625ft

Nimber of ropes=45.3125ft

b. Percent of stand area:

Percent of stand area=(9.0625ft×3.2)÷35ft²

Percent of stand area=29ft²÷35ft²×100

Percent of stand area=82.857ft×100

Percent of stand area=83% (Approximately)

Therefore the number of ropes purchase is 45.3125ft and  Percent of stand area is 83%.

Learn more about Percent of stand area here:brainly.com/question/2639075

7 0
2 years ago
Translate the sentence into an equation.
Andreas93 [3]
<h2>Translating Sentences into Equations</h2>

A key part of this is recognizing certain words to change into operations or numbers:

  • <em>quotient</em> = divide
  • <em>three more</em> = add 3
  • <em>'a/the number' </em>= use a variable (in this case, it's <em>w</em>)

<h2>Solving the Question</h2>

We're given:

  • Three more than the quotient of a number and 7 equals 6
    ⇒ 'the quotient of a number and 7' tells us we divide <em>w</em> by 7:
  • Three more than \dfrac{w}{7} equals 6
    ⇒ 'three more than' means we add 3 to the fraction:
  • \dfrac{w}{7}+3 equals 6
  • \dfrac{w}{7}+3=6

<h2>Answer</h2>

\dfrac{w}{7}+3=6

5 0
2 years ago
Select the correct answer.
maks197457 [2]

Answer:

See Explanation

Step-by-step explanation:

Your question is poorly formatted. However, I'm able to deduce that your question involves at least 2 algebraic fractions that needs to be simplified.

So, I'll make use of the following expression:

\frac{3n}{n + 3} + \frac{5}{n - 4}

When you follow the steps I'm about to provide, you'll arrive at the right answer

Required

Determine an equivalent expression

\frac{3n}{n + 3} + \frac{5}{n - 4}

Step 1: Take L.C.M of the denominators

LCM = (n+3)(n-4)

Step 2: Evaluate the fractions

\frac{3n}{n + 3} + \frac{5}{n - 4} = \frac{3n(n-4)+5(n+3)}{(n+3)(n-4)}

Step 3: Open the brackets at the numerator

\frac{3n}{n + 3} + \frac{5}{n - 4} = \frac{3n^2-12n+5n+15}{(n+3)(n-4)}

Step 4: Collect and evaluate like terms

\frac{3n}{n + 3} + \frac{5}{n - 4} = \frac{3n^2-7n+15}{(n+3)(n-4)}

<em>Follow the above steps, and you'll be able to solve your question.</em>

6 0
3 years ago
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