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2 years ago

Please help me, I’m not that smart!

Mathematics

1 answer:

Oxana [17]2 years ago

8 0

Answer:

$\frac{16 {d}^{3} }{ {c}^{2} }$

Step-by-step explanation:

${4}^{2} {c}^{ - 2} {d}^{3} {e}^{0}$

➡️ $16 {c}^{ - 2} {d}^{3} \times 1$

➡️ $16 {c}^{ - 2} {d}^{3}$

➡️ $16 \times \frac{1}{ {c}^{2} } \times {d}^{3}$

➡️ $\frac{16 {d}^{3} }{ {c}^{2} }$

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Divide 1350 by 3200.

1350 ÷ 3200 = 0.422

42.2% of her income went to rent.

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3 years ago

What is 69/16 in fraction simplest form

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3 years ago

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Use the graph below to determine the number of solutions the system has. x=4 y=-x-1

GrogVix [38]

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Step-by-step explanation:

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2 years ago

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Given ACM, angle C=90º. AP=9, PM=12. Find AC, CM, AM.

Gnesinka [82]

Answer:

AM = 25, AC = 15, CM = 20

Step-by-step explanation:

The given parameters are;

In ΔACM, ∠C = 90°, $\overline{CP}$ ⊥ $\overline{AM}$ , AP = 9, and PM = 16

$\overline{AC}$ ² + $\overline{CM}$ ² = $\overline{AM}$ ²

$\overline{AM}$ = $\overline{AP}$ + PM = 9 + 16 = 25

$\overline{AM}$ = 25

$\overline{AC}$ ² = $\overline{AP}$ ² + $\overline{CP}$ ² = 9² + $\overline{CP}$ ²

∴ $\overline{AC}$ ² = 9² + $\overline{CP}$ ²

Similarly we get;

$\overline{CM}$ ² = 16² + $\overline{CP}$ ²

Therefore, we get;

$\overline{AC}$ ² + $\overline{CM}$ ² = 9² + $\overline{CP}$ ² + 16² + $\overline{CP}$ ² = $\overline{AM}$ ² = 25²

2· $\overline{CP}$ ² = 25² - (9² + 16²) = 288

$\overline{CP}$ ² = 288/2 = 144

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From $\overline{AC}$ ² = 9² + $\overline{CP}$ ², we get

$\overline{AC}$ = √(9² + 12²) = 15

$\overline{AC}$ = 15

From, $\overline{CM}$ ² = 16² + $\overline{CP}$ ², we get;

$\overline{CM}$ = √(16² + 12²) = 20

$\overline{CM}$ = 20.

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3 years ago

Natalie buys a cooper wire that is 3 feet long. The cost of the wire is $1.25 per foot, including tax. What is the total cost, i

Mnenie [13.5K]

Answer:

$3.75

Step-by-step explanation:

Given:

Natalie buys a cooper wire that is 3 feet long.

The cost of the wire is $1.25 per foot.

Question asked:

What is the total cost, in dollars, of Natalie's wire?

Solution:

By unitary method:

Total length of wire = 3 feet

Each foot of wire cost = $1.25

3 feet of wire cost = $1.25 $\times$ 3 = $3.75

Thus, total cost of wire is $3.75

5 0

3 years ago