2 years ago

Plzzzzzzzzzzz help me

Mathematics

1 answer:

Serjik [45]2 years ago

8 0

I think the answer is 49 cookies

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a studernt has pased 60 percent of 20 quizzes he has written so far successfully. if the student 50 quizzes during the year, and

faust18 [17]

Answer:

72%

Step-by-step explanation:

There are a total of 50 quizzes in the year

From the first 20, the student passes 60%. This makes a total of

$\frac{60}{100} (20) = 12$

12 passes

Out of the remaining 30 quizzes the student passes in 80% of them. This makes a total of

$\frac{80}{100} (30) = 12$

24 passes

Adding the two values

12 + 24 = 36

The student passes 36 quizzes out of 50.

We convert this to a percentage

$\frac{36}{50} (100) = 72$ %

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3 years ago

Help me please in this problem

MaRussiya [10]

I think it’s 12.67 I’m not so sure

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3 years ago

How many bags of each cookie did Stephanie sell? How many total bags of cookies did she sell

____ [38]

Numbers for the equation

4 0

2 years ago

Two apples and three peaches cost $1.65. three apples and two peaches cost $1.60. what is the cost of one peach

marta [7]

Apples = $.30
Peaches = $.60

You can get this by setting up a system of equations that looks like this.

2x + 3y = 1.65
3x + 2y = 1.60

Where x is the amount of apples and y is the number of peaches. Then you can solve using any of the methods (I would suggest elimination for ease).

7 0

3 years ago

Calculate the volume of the triangular pyramid below.

eduard

Answer:

Step-by-step explanation:

1/2x10x3.6=18

18x5=90

8 0

2 years ago