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3 years ago

I don't know how start this, I don't understand it too. Please help, please show work too. Thank you.

Mathematics

1 answer:

neonofarm [45]3 years ago

4 0

I’m not positive but I’m thinking you are supposed to draw the door and window or color them in and each small square counts as a foot so like 7 of the squares is 7 feet so after you color in the door and window it will show what part needs to be painted

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Is 831858 divisible by 2 ?

Darina [25.2K]

Answer:

Yes

Step-by-step explanation:

Anything that ends in an even number is divisible by 2.

5 0

3 years ago

I’m having trouble finding the answers to this problem

slamgirl [31]

Step-by-step explanation:

Solve by Subsitution

$x = 50 - y$

Replace this into the second equation

$y(50 - y) = 300$

$50y - {y}^{2} = 300$

Write in standard form

$- {y}^{2} + 50y = 300$

Use the quadratic formula, and our answer will be

(6.97,43.02)

(43.02,6.97)

3 0

3 years ago

Pls answer

cluponka [151]

Answer:

$8.49\ units$

Step-by-step explanation:

we know that

The Pythagorean Theorem states that in a right triangle

$c^2=a^2+b^2$

where

c is the greater side (the hypotenuse)

a and b are the legs

In this problem

Let

c=AB ---> distance from point A to point B

a ---> the difference of the x-coordinates both points

b ---> the difference of the y-coordinates both points

$a=1-(-5)=6\ units\\b=6-0=6\ units$

substitute

$AB^2=6^2+6^2$

$AB^2=72$

$AB=\sqrt{72}\ units$

$AB=8.49\ units$

6 0

3 years ago

Simplify the following expression.<br> 5 [13 + 10 = (3 + 2)] + 9 x 2

Sergio [31]

Answer:

i BELIEVE ITS

Step-by-step explanation:

5 [13 + 10 = (3 + 2)] + 9 x 2

65+50=25+18

115=43

7 0

3 years ago

Shelly hopped onto her bicycle and pedaled to the park at 14 miles per hour. Then she whizzed back at 20 miles per hour. If the

LekaFEV [45]

We know that
speed=distance/time
distance=speed*time

in this problem
speed1=14 miles/hour
speed2=20 miles/hour
average speed=[14+20]/2-----> 17 miles/hour
time=3 2/5 hour-----> (3*5+2)/5----> 17/5 hours

distance=17*(17/5)----> 57.8 miles

the answer is
57.8 miles

6 0

4 years ago