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3 years ago

I swear this is my last i-ready question lol

Mathematics

2 answers:

stellarik [79]3 years ago

6 0

Area: 49

Brainly wants me to type more stuff soo hsdfghng

drek231 [11]3 years ago

3 0

The area is 49 hopefully this is right have a nice day

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If the surface area of a cube is increased by a factor of 2 (so that the new surface area is twice the size of the original surf

Mariana [72]

Answer:2.828

Step-by-step explanation:

Given

Surface area of a cube is increased by a factor of 2

Let the original surface area be A

such that new surface area is 2A

for volume we need to know new radius

$6(a')^2=2\times 6r^2$

where r'=new radius

r=original radius

$a'=\sqrt{2}a$

New volume(V') $=(a')^3=(\sqrt{2}a)^3$

$V'=2\sqrt{2}a^3$

Original volume $=a^3$

$\frac{V'}{V}=\frac{2\sqrt{2}a^3}{a^3}$

$V'=2\sqrt{2}V=2.828V$

8 0

3 years ago

George cut 2/3 of the pie and put that giant piece on his plate then he ate 1/4 of that piece what fraction of the original pie

svlad2 [7]

He ate 7/24 of the pie. There is 17/24 of pie left. Hope that helps! :)

5 0

3 years ago

the length of a rectangle is 4a + 5, the width of the same rectangle is 2a -3 if the perimeter of the rectangle is 76 what is th

viktelen [127]

Answer:

Here

perimeter=76

length =4a+5

breadth=2a-3

we know,

perimeter=2(length+breadth)

76=2(4a+5+2a-3)

76=2(7a+2)

76=14a+4

76-4=14a

72=14a

72÷14=a

a=5.14

7 0

2 years ago

. If mZJ= (7x + 13)", mZK = (83 - 2x), and

OLga [1]

Answer:

m∠J = 76°
m∠K = 65°

Step-by-step explanation:

The sum of angle measures is ...

(7x +13)° +(83 -2x)° = 141°

5x +96 = 141 . . . . . collect terms, divide by °

5x = 45 . . . . . . . . . subtract 96

x = 9 . . . . . . . . . . . divide by 5

7x +13 = 7·9 +13 = 76 . . . . . find m∠J

m∠J = 76°

m∠K = 141° -76°

m∠K = 65°

8 0

3 years ago

Which inequality matches the given situation if w represents weight in pounds:Baby tigers can be no larger than 4 pounds.

ozzi

Given:

w be the weight in pounds of a baby tigers.

To find:

The inequality if baby tigers can be no larger than 4 pounds.

Solution:

Baby tigers can be no larger than 4 pounds. It mean weight of baby tigers cannot be greater than 4. In other words, the weight of the baby tigers must be less than or equal to 4.

Let w represents weight in pounds and the weight of the baby tigers must be less than or equal to 4. So,

$w\leq 4$

Therefore, the required inequality is $w\leq 4$ .

4 0

3 years ago