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GREYUIT [131]
4 years ago
12

3. One number is equal to two times a second number. Two times the first number plus two times the second number is 24. If you l

et x stand for the first number and y for the second, what are the two numbers? A. x = 12, y = 6 B. x = 24, y = 12 C. x = 8, y = 4 D. x = –24, y = –12
Mathematics
1 answer:
zloy xaker [14]4 years ago
4 0
One of my friends say it's C. x = 8, y = 4
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17. The length of a rectangle is 12 in, and the perimeter is 56 in. Find the width of the rectangle.
Ivahew [28]

Answer:

Step-by-step explanation:

P = 2(L + W)

P = 56

L = 12

now sub...we are looking for w

56 = 2(12 + W)

56 = 24 + 2W

56 - 24 = 2W

32 = 2W

32/2 = W

16 = W <==== the width is 16 inches

check...

P = 2(L + W)

56 = 2(12 + 16)

56 = 2(28)

56 = 56 (correct)

4 0
3 years ago
Find the area of the triangle that has a base of 16 yd and a height of 9yd
soldi70 [24.7K]

Answer:

144 yds.

Step-by-step explanation:


6 0
3 years ago
Find the conjugate of 7 - 2i
Helen [10]
Conjugate of (a - bi) is (a + bi).
Just change the sign on the imaginary part.

7 + 2i
7 0
3 years ago
What is the APPROXIMATE circumference of a circle with a radius of 9 inches? Use 3.14 for π. 28.3 in. 56.5 in. 254.34 in. 113.0
Stella [2.4K]

Answer:

56.52 in

Step-by-step explanation:

Circumference Formula: C = 2πr

Since we are given radius <em>r</em> = 9, simply plug it into the formula:

C = 2π(9)

C = 18π

C = 56.5487

7 0
3 years ago
Read 2 more answers
Kaminsky’s bronze sculpture is 5 feet in diameter, which is approximately 1.524 meters. If the sculpture was made of solid bronz
laila [671]

The weight of the spherical sculpture in pounds is approximately 251607 pounds

<h3>How to find the weight of the sculpture in pounds?</h3>

The sculpture is spherical and its made of solid bronze.

Therefore,

density  =  mass   /   volume

where

density  =  7700  kg  / m³

volume  = 4 / 3πr³

volume = 4/ 3  × 3.14  × 1.524³

volume  =  44.4574491494 / 3

volume = 14.8191497165 m³

Therefore,

mass = 7700 × 14.8191497165

mass = 114107.452817 kg

1 kg = 2.205 pounds

114107.452817 = ?

cross multiply

mass in pounds = 114107.452817 × 2.205

mass in pounds = 251606.933461

mass in pounds = 251607 pounds

learn more on pounds here: brainly.com/question/7930503

#SPJ1

5 0
2 years ago
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