3 years ago

Pls help I need this assignment done please

Mathematics

1 answer:

Gre4nikov [31]3 years ago

3 0

Answer:

idk how to answer and i cant see the pdf

Step-by-step explanation:

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Boys to girl 11;9 there are 124 more boys what is the total number of students

Deffense [45]

$(124 \div 2) \times (11 + 9) = 1240$
total number of students : 1240

7 0

3 years ago

Can somebody please help me with this pleaseee

Semmy [17]

Answer: -2, 2

Step-by-step explanation:

0 = 5x^2 -20

0 = 5(x^2 -4)

0 = 5(x - 2)(x + 2)

0 = x - 2

2 = x

0 = x + 2

-2 = x

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2 years ago

You are constructing triangle ABC given the line segments AB and AC and ∠A. The first thing you do is copy segment AC. Next, you

nikitadnepr [17]

Answer:

copy AB

Step-by-step explanation:

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3 years ago

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Vera is using her phone.Its battery life is down to 2/5,and it drains another 1/9 every other. How many hours will her battery l

Margarita [4]

Let x be total hours of battery life. We have been given that battery life of Vera's phone is down to 2/5. So remaining battery life,

$1-\frac{2}{5}=\frac{5-2}{5}=\frac{3}{5}$

We have been also given that it drains another 1/9 every other hour. Now let us substitute our given information into an equation.

$\frac{1}{9}\cdot x=\frac{3}{5}$

Now we will solve for x.

$x=\frac{3\cdot 9}{5}=\frac{27}{5}$

$x=(5+\frac{2}{5})hours$

Let us convert 2/5 into minutes. We know 1 hour has 60 minutes.

$60\cdot \frac{2}{5}=24\text{minutes}$

Therefore, remaining battery life will be 5 hours and 24 minutes.

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3 years ago

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A=2,b=1 and c=4.What is 3ac-a+2b

kati45 [8]

Step-by-step explanation:

a = 2

b = 1

c = 4

<h2>Question:</h2>

$3ac - a + 2b$

= Solution ,

= 3 × 2 × 4 - 2 + 2 × 1

= 24 - 2 + 2

= 24 + 2 - 2

= 26 - 2

= 24

hence the answer is 24....

6 0

2 years ago