3 years ago

Please help! Will give branliest for correct answer ! God Bless uu!!

Mathematics

2 answers:

Rzqust [24]3 years ago

7 0

Answer:

solution given:

Area of triangle ABC=½b×h=½×18×21=189km²

Area of square DEFG=l²=9²=81km²

Area of rectangle DHIJ=l×b=4×13=52km²

Total area =189+81+52=322 square kilometers.

Ksivusya [100]3 years ago

6 0

Answer:

322 sq. km

Step-by-step explanation:

the area of fig. =

(½×18×21)+(13×4)+(9×9)

= 189+52+81

= 322 sq. km

You might be interested in

Alex is x years old. June is 7 years older than Alex. In 5 years, their total combined age will be 31 years.

shepuryov [24]

Let Alex's age is x and June's age is y y - x = 7 .........(1)
(x+5) + (y+5) =31
x + y = 21 .........(2)
by adding 1 and 2
2y = 28
y = 14
x = 7

8 0

3 years ago

Read 2 more answers

If 8 people do a job in 40 hours. How many people need to do the job in 32 hours?

bija089 [108]

Answer:

6 people

Step-by-step explanation:

8/40 = x/32

multiply both sides by 32: 8(32)/40 = x

x = 256/40

= 6.4

≈ 6

8 0

3 years ago

Need help pls will give you five stars

Temka [501]

Answer:

$\boxed{A. (1,1)}$

Step-by-step explanation:

Well since in,

$f(x) = -3x^2 + 6x - 2$

the 3x^2is negative that means the parabola has a maximum not a minimum meaning we can take out choices,

B and D.

To find the maximum let’s graph the given equation,

Look at the image below.

By looking at the image we can tell that the maximum is at (1,1).

So the answer is choice A (1,1)

3 0

4 years ago

Which expression best estimates 6 3/4 divided by 1 2/3

kozerog [31]

Answer:

B is my answer si no sorry

3 0

3 years ago

Plsss help :) will give brainly

AysviL [449]

Answer:

y = ( x - 4 )²- 4

7 0

3 years ago