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3 years ago

What is the area of this figure

Mathematics

2 answers:

e-lub [12.9K]3 years ago

7 0

Let me see te picture.Area= length x width

dusya [7]3 years ago

3 0

Insert a picture so I can help you out :)

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Pls help me calculate the total area of compound shapes?!?!?

alexandr1967 [171]

Answer:

Number 1 is 38cm and number 2 is 22ft.

5 0

2 years ago

Help me, cause I'm tuck

r-ruslan [8.4K]

Answer:

The answer would be 1.33 x $10^{4}$

Step-by-step

1.28 x $10^{4}$ = 12800

5 x $10^{2}$ = 500

12800 + 500 = 13300

13300 = 1.33 x $10^{4}$ in scientific notation

Hope this helps:)

Sorry, I got the wrong answer earlier but I fixed it:)

8 0

3 years ago

A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks along the x-axis from the spotlight toward the bui

Sedbober [7]

Answer:

0.675 m/s

Step-by-step explanation:

Let height of shadow= y,CD=x

Height of man=2 m

Speed of man= $\frac{dx}{dt}=1. 8 m/s$

$\triangle ABD\sim\triangle ECD$

Therefore, $\frac{AB}{EC}=\frac{BD}{CD}$

$\frac{y}{2}=\frac{12}{x}$

$xy=24$

Differentiate w.r.t t

$x\frac{dy}{dt}+y\frac{dx}{dt}=0$

$x\frac{dy}{dt}=-y\frac{dx}{dt}$

$\frac{dy}{dt}=-\frac{y}{x}\frac{dx}{dt}$

When the man is 4 m from the building

Then, we have x=12-4=8 m

$\frac{dx}{dt}=1.8 m/s$

Substitute the values in above equation then, we get

$8y=24$

$y=\frac{24}{8}=3$

Substitute the values then we get

$\frac{dy}{dt}=-\frac{3}{8}\times 1.8=-0.675 m/s$

Hence, the length of his shadow on the building decreasing at the rate 0.675 m/s.

8 0

3 years ago

When trying to find the best deal for items, you should ____

kodGreya [7K]

Question 1:

All provided options would give the best deal on an item

Answer: Option d [all of the above]

Question 2:

When an item's price is knocked off by 15%, it means the item has only 85% of its original value left to pay. Hence, a discount of 15% means multiplying the original price by 85%

Answer: option C

6 0

3 years ago

Read 2 more answers

Steph runs a vehicle body repair shop with one mechanic in Cleveland. Repair time for vehicles is exponentially distributed, wit

horsena [70]

Answer:

System utilization = 0.7 or 70%

Step-by-step explanation:

Given arrival rate of customer = 15 customer/Hour

Servie rate = $\dfrac{60}{2.8} customer/Hour$