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Nutka1998 [239]
1 year ago
11

A company’s equipment manager buys $7,000 worth of equipment. This equipment depreciates 19% each year. The manager can replace

the equipment after its value falls below $500. After how many years can the manager first replace the equipment?
Mathematics
2 answers:
kolezko [41]1 year ago
7 0

Answer:

13 (c)

Step-by-step explanation:

Graph the equation 7000(1-0.19)^x and then the inequality y<500, the point of intersection should be 12.524, so the answer will be rounded up to 13 i think

mr_godi [17]1 year ago
3 0

Answer:

D. 13

Step-by-step explanation:

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The time, in minutes, it took each of 11 students to complete a puzzle was recorded and is shown in the following list
bija089 [108]

Answer:

30, 31, 32, 35, and 38

Step-by-step explanation:

4 0
2 years ago
For which discriminant is the graph possible<br> b2-4ac=0<br><br> b2-4ac=-1<br><br> b2-4ac=4
VARVARA [1.3K]

Answer:

The graph is possible for b^2-4ac=4

Step-by-step explanation:

we know that

The discriminant of a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

D=b^2-4ac

If D=0 the quadratic equation has only one real solution

If D>0 the quadratic equation has two real solutions

If D<0 the quadratic equation has no real solution (complex solutions)

In this problem , looking at the graph, the quadratic equation has two real solutions (the solutions are the x-intercepts)

so

b^2-4ac > 0

therefore

The graph is possible for b^2-4ac=4

4 0
1 year ago
On Sunday Sheldon bought 3 and 1/2kg of plant food. He used 1 and 2/3kg on his strawberry plants and used 1/4kg for his tomato p
notsponge [240]

The remaining plant food is: 1 7/12 kg

Step-by-step explanation:

Given

Total Plant food = 3 1/2 kg

Plant food used on Strawberry Plants = 1 2/3 kg

Plant food used on tomato Plants = 1/4 kg

We will first calculate the total food plant used and then subtract the used plant food from the total plant food.

So,

Total\ Plant\ Food\ used=1\frac{2}{3}+\frac{1}{4}\\=\frac{5}{3}+\frac{1}{4}\\=\frac{20+3}{12}\\=\frac{23}{12}

Now,

Left\ Food\ Plant=3\frac{1}{2}-\frac{23}{12}\\=\frac{7}{2}-\frac{23}{12}\\=\frac{42-23}{12}\\=\frac{19}{12}\\=1\frac{7}{12}

The remaining plant food is: 1 7/12 kg

Keywords: Division, Fractions

Learn more about fractions at:

  • brainly.com/question/3126500
  • brainly.com/question/3306327

#LearnwithBrainly

7 0
1 year ago
Find the value of c that makes the expression a perfect square trinomial. x2 − 19x + c A) 361 B) 38 C) 361 2 D) 361 4
sasho [114]

Answer:

A (361)

Step-by-step explanation:

A "perfect square trinomial" has the form

ax^2 + 2ab + b^2.  If a happens to be 1, which it is in the given x^2 − 19x + c, then 2(1)(b) = - 19.  Solving for b, we get b = -19/2.

Then b^2 in the general "perfect square trinomial" is the same as c:  (-19/2)^2, or 90.25, or 90 1/4, or 361/4/

Choosing A (361) makes the given expression a perfect square trinomial.

4 0
2 years ago
School lunches cost ₱35.50 per week. about how much would 15.5 weeks of lunches cost?grade v​
Goryan [66]

Answer:

₱ 550.25

Step-by-step explanation:

₱ 35.50 * 15.5 weeks = ₱ 550.25

5 0
1 year ago
Read 2 more answers
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