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3 years ago

What is 15ft by 18ft times 2in depth converted into yards

Mathematics

1 answer:

NeTakaya3 years ago

4 0

Answer:

5 yd³

Step-by-step explanation:

2 in = 1/6 ft

15 ft × 18 ft × 1/6 ft = 45 ft³

1 ft³ = 9 yd³

45 ft³/9 = 5 yd³

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What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4?

egoroff_w [7]

2pi x 4 x 72/360 = 8/5 pi

3 0

3 years ago

Some ice cubes are stacked as shown. If the face of each ice cube is a square and each ice cube represents one cubic unit, what

lana66690 [7]

Answer:

B. 16 cubic Units

Step-by-step explanation:

take the height × length × width and that would be your answer... in this case it would be 4×2×2 which equals to 16.

7 0

3 years ago

M+2/3=1/4m-1 what the formula used to find the value of m?

zimovet [89]

Answer:

The value of m is $\frac{-5+\sqrt{34}}{6} \text { or } \frac{-5-\sqrt{34}}{6}$ by using quadratic formula

Solution:

Given, expression is $m+\frac{2}{3}=\frac{1}{4 m}-1$

Now, we have to solve the above given expression.

$\text { Now, } \mathrm{m}+\frac{2}{3}=\frac{1}{4 m}-1$

By multiplying the equation with m, we get

$\begin{array}{l}{m^{2}+\frac{2}{3} m+m=\frac{1}{4}} \\\\ {m^{2}+m\left(\frac{2}{3}+1\right)=\frac{1}{4}} \\\\ {m^{2}+\frac{5}{3} m=\frac{1}{4}}\end{array}$

$\begin{array}{l}{12 m^{2}+20 m=3} \\ {12 m^{2}+20 m-3=0}\end{array}$

Now, let us use quadratic formula

$\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Here in our problem, a = 12, b = 20, c = -3

$\begin{array}{l}{m=\frac{-20 \pm \sqrt{20^{2}-4 \times 12 \times(-3)}}{2 \times 12}} \\\\ {=\frac{-20 \pm \sqrt{400+144}}{24}} \\\\ {=\frac{-20 \pm \sqrt{544}}{24}} \\\\ {=\frac{-20 \pm 4 \sqrt{34}}{24}=\frac{-5 \pm \sqrt{34}}{6}} \\\\ {=\frac{-5+\sqrt{34}}{6} \text { or } \frac{-5-\sqrt{34}}{6}}\end{array}$

Hence the value of m is $\frac{-5+\sqrt{34}}{6} \text { or } \frac{-5-\sqrt{34}}{6}$ by using quadratic formula

7 0

3 years ago

Katie went shopping with her friends Erin. Katie bought 3 shirts and 2 pairs of pants for $80. Erin bought 3 shirts and 4 pairs

Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

shirt = x, pants: y

Katie equation: 3x + 2y = 80, Erin equation: 3x + 4y = 116

3x + 2y = 80

3x = 80 - 2y

x = 80/3 - 2y/3

3(80/3 - 2y/3) + 4y = 116

80 - 2y + 4y = 116

80 + 2y + 116

2y = 36

y = 18, pants cost $18

3x + 4(18) = 116

3x + 72 = 116

3x = 44

x = 14.66... (66 is repeating), shirts cost $14.66

check work:

Katie: 3(14.66) + 2(18) = 79.98 which is roughly 80.

6 0

4 years ago

PLSSSSSS HELP MEEEEEEEE, PLSSSSSSSSSSSSSSSSSSSSSS

Xelga [282]

Answer:

b i think

Step-by-step explanation:

i hope this helps

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3 years ago