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Nikolay [14]
3 years ago
7

What is the answer and how to you solve it as easy as possible​

Mathematics
1 answer:
Gnom [1K]3 years ago
7 0

Answer:

A = 504inch

Step-by-step explanation:

Formula = A = 2(wl + hl + hw)

or A = 2wl + 2lh + 2hw, where w is the width, the l is the length, and the h is the height.

2wl = 6inch × 12inch = 72inch × 2 = 144inch

2lh = 12inch × 10inch = 120inch × 2 = 240inch

2hw = 10inch × 6inch = 60inch × 2 = 120inch

Then add all

144inch + 240inch + 120inch = 504inch

A = 504inch

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An angle whose measure is degree134° is bisected. What is the measure of each of the two new angles?
Olenka [21]

Answer:

Each angle is 67 degrees

Step-by-step explanation:

Bisected angles are divided in half

134/2 =67

Each angle is 67 degrees

4 0
3 years ago
The sum of twelve and a number is no greater than the sum of twice the number and -8
krok68 [10]
The sum of 12 and a number
(12 + n)

is no greater
< = 

then the sum of twice the number and 8
(2n +(-8)) = (2n - 8)

so we have :
(12 + n) < = (2n - 8)
4 0
4 years ago
A child has a piggy bank that contains only quarters and dimes. Altogether, there are 27 coins in the bank and the total value o
Mamont248 [21]
The answer should be B
4 0
4 years ago
A triangle has a perimeter of 30cm. Side y is twice as long as side x. Side z is 4 less than side x.
Shtirlitz [24]

Answer:

Give me a heart and 5 stars

Step-by-step explanation:

7 0
2 years ago
(20 points)
olganol [36]

Answer:

the possible coordinates are -9 and 3

Step-by-step explanation:

coordinates of B=(x2,y2)= (5,1)

Coordinates of A= (x1, y1)= (-3, z)

distance= 10 units

Formula: d=\sqrt{(y2-y1)^2+(x2-x1)^2}

substituting the values in the above formula

10=\sqrt{(z-(-3))^2+(-3-5)^2}

10=\sqrt{(z+3)^2+(-8)^2}

10=\sqrt{(z^2 +6z+9)+(64)}

10=\sqrt{(z^2 +6z+73)}

taking square root on both sides

100=z^2 +6z+73

100-73=z^2 +6z

z^2 +6z-27=0

z^2 +9z-3z-27=0

z(z+9) -3(z+9)=0

(z-3)(z+9)=0\\z-3=0 ; z+9=0\\z=3 : z=-9

3 0
2 years ago
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