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Ludmilka [50]
4 years ago
11

On a final exam, each multiple-choice question is worth 4 points and each word problem is worth 8 points. Lorenzo needs

Mathematics
2 answers:
Elena-2011 [213]4 years ago
7 0

Answer:

4x + 8y = 50 or 4x + 8y > 50

Step-by-step explanation:

To find which equation show the exact answer, Becasue he need at least 50 poitns to have a B, so:

4x + 8y must larger or equal to 50

In these choice, some I can't figure out what it means but the correct answer for this is:

4x + 8y = 50 or 4x + 8y > 50

Hope this help you :3

mr_godi [17]4 years ago
6 0

Answer:

4x + 8y ≥ 50

Step-by-step explanation:

Since x represents the multiple choice questions, and each of them is worth 4 points, the total points because of this type of questions is

4x

and y represents the word problems, and each of this is worth 8 point, so the total points because of this type of questions is

8y

Lorenzo needs at leat 50 points: this means 50 points or more, so the sum of the points he gets for each type of question must be equal to 50 points or more.

This is represented by the inequation:

4x + 8y ≥ 50

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A group of 24 people have found 7.2 kg of gold. Assuming the gold is divided evenly, how much gold will each one get in grams?
Maksim231197 [3]

Answer:

Step-by-step explanation:

Convert 7.2 to grams then divide the grams evenlly to the 24 people then you get 300

7 0
3 years ago
The owner of a greenhouse and nursery is considering whether to spend $6,000 to acquire the licensing rights to grow a new varie
Mars2501 [29]

Answer:

The number of rosebushes the owner of the a greenhouse and nursery plans to grow every year is 1,600.

Step-by-step explanation:

It is provided that the owner of the a greenhouse and nursery has land available to grow 3000 and 2000 rosebushes every year.

She claims to be 80% efficient in the use of the land available.

She is considering to spend $6000 to acquire the licensing rights to grow a new variety of rosebush.

The variable cost will be $3 and she will sell the rosebushes for $6 each.

The formula to compute the number of rosebushes she plans to grow every year is,

Number of rosebushes = Effective Capacity × Efficiency

                                       =2000\times 80\%\\=2000\times\frac{80}{100}\\=1600

Thus, the number of rosebushes the owner of the a greenhouse and nursery plans to grow every year is 1,600.

5 0
4 years ago
If f(x)=2x^2-10, find f(-3)
Maurinko [17]

Answer:

f(- 3) = 8

Step-by-step explanation:

To evaluate f(- 3), substitute x = - 3 into f(x) , that is

f(- 3) = 2(- 3)² - 10 = 2(9) - 10 = 18 - 10 = 8

4 0
4 years ago
I’ll mark brainlist
Vinvika [58]

Answer:

m=-4

Step-by-step explanation:

M-9=-13

   +9   +9

M=-4

Hope it helps :)

6 0
3 years ago
Read 2 more answers
900 × 129 please help me
Anastasy [175]
900 × 126= 116,100. Hoped this helped.
3 0
3 years ago
Read 2 more answers
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