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3 years ago

The Pet Palace is replacing its dog training arena with a new arena with dimensions that

1 answer:

6 0

(A) 450 ft squared.

First, calculate the old arena's dimensions.
10 x 15 = 150.

Calculate the new arena's dimensions.
20 x 30 = 600.

Now subtract 150 from 600.
600 - 150 = 450.

Hope I helped!

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Anyone know this will mark brain.....pic below..

Naddika [18.5K]

Answer:

$15x + 30y - 220$

Step-by-step explanation:

$(30 \times \frac{1}{2} x ) + (30 \times - 2) + (40 \times \frac{3}{4} y )+( 40 \times - 4)$

$= 15x - 60 + 30y - 160$

$= 15x + 30y - 60 - 160 \\ = 15x + 30y - 220$

7 0

3 years ago

Given:

notsponge [240]

A line bisector is a straight line that divides a given line into two equal parts. Thus the following steps are required by Naomi to show that point D is equidistant from points A and C.

BD ⊥ AC (given)

BD = 3 units, and AC = 8 units.

BD is the perpendicular bisector of segment AC (given)

Thus,

<BDA ≅ <BDC (right angles formed by a perpendicular bisector)

AD ≅ DC (equal parts of a bisected line)

AD ≅ DC = 4 units

Thus joining points B to A, and B to C,

BA ≅ BC.

So that applying Pythagoras theorem to ΔABD, we have:

$/hyp/^{2}$ = $Adj 1^{2}$ + $Adj 2^{2}$

$AB^{2}$ = $3^{2}$ + $4^{2}$

= $\sqrt{25}$

AB = 5 units

So that,

BA ≅ BC = 5 units

Therefore, it can be concluded that point D is equidistant from points A and C.

For more clarifications on a perpendicular bisector of a line, visit: brainly.com/question/929137

#SPJ1

3 0

2 years ago

Will award BRAINLIEST

Leviafan [203]

The answer is 3√5 units

Explain

∠KMJ = 180° - 90° -adjacent angles on a straight line = 90°

Using Pythagora's Theorem

KJ² = 6² + 3²

KJ² = 45

KJ = √45

= √9√5

= 3√5

6 0

3 years ago

Read 2 more answers

:( CAN SOMEONE PLEASE HELP ME

Alla [95]

Answer:

I think that Nick is correct because you are going to have to make your answer positive and when you do the two fractions -4/9 + -6/9 are going to be 6/9 + 4/9 and there is already a addition sign in the last problem we are just going to keep it there. And when we add we get 10/9 or 1 1/9

If i get it wrong please don't hate im just in 7 grade ok :(

6 0

3 years ago

Write and solve an equation to find the number n.

azamat

Answer:

2.5n=10 n = 4

Step-by-step explanation:

sum is addition

twice n and a half is 2.5n

equals 10

10 divided by 2.5=4

7 0

3 years ago