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3 years ago

HELP ME QUICK PLZ I'M GIVING YOU 23 POINTS!!!!!!!!!!!!!!!!! LOOK AT THE PHOTO

Mathematics

1 answer:

maksim [4K]3 years ago

8 0

Answer:

my answer is B

Step-by-step explanation:

hope this helps

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100 POINTS AND BRAINLIEST

zysi [14]

Answer:

8 square units and $\frac{40}{3}$ square units

Step-by-step explanation:

The area of the triangle ABC is 24 square units.

1. Triangles ABC and FBG are similar with scale factor $\frac{1}{3},$ then

$\dfrac{A_{\triangle FBG}}{A_{\triangle ABC}}=\dfrac{1}{9}\Rightarrow A_{\triangle FBG}=\dfrac{1}{9}\cdot 24=\dfrac{8}{3}\ un^2.$

2. Triangles ABC and DBE are similar with scale factor $\frac{2}{3},$ then

$\dfrac{A_{\triangle DBE}}{A_{\triangle ABC}}=\dfrac{4}{9}\Rightarrow A_{\triangle DBE}=\dfrac{4}{9}\cdot 24=\dfrac{32}{3}\ un^2.$

3. Thus, the area of the quadrilateral DFGE is

$A_{DFGE}=A_{\triangle DBE}-A_{\triangle FBG}=\dfrac{32}{3}-\dfrac{8}{3}=8\ un^2.$

and the area of the quadrilateral ADEC is

$A_{ADEC}=A_{\triangle ABC}-A_{\triangle DBE}=24-\dfrac{32}{3}=\dfrac{40}{3}\ un^2.$

4 0

3 years ago

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Dima called her friend to tell her that she saved 30% on her new skirt at a discount store. Her friend told her that she could h

Mkey [24]

Answer:

The correct answer is $1.80

8 0

3 years ago

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The Black line is the graph of y=c. Which of these equations could represent the blue line?

galben [10]

C. y = 0.5x.

The coefficient of x is the slope of the line. From the picture, you can see that the slope of the blue line is half the slope of the black line.

3 0

3 years ago

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1/3 + 1/5 step by step

ella [17]

Answer:

8/15

Step-by-step explanation:

the denominators are different so you need to find the lowest common multiple which is 15

you times 3 by five so you have to change the 1 into 5

you times 5 by three so you have to change the other numerator to 3

so it becomes:

5/15 + 3/15= 8/15

8 0

3 years ago

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A car covers a distance of 450 m in 1 minute whereas a train covers

velikii [3]

Speed = distance/ time
Car : 450m/1min
Train: 69km/45 min

7 0

2 years ago