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vesna_86 [32]
3 years ago
11

Helppppp idk how tu du dis

Mathematics
2 answers:
Arlecino [84]3 years ago
4 0
This expression simplified is 9n^4+8n^3+4
lubasha [3.4K]3 years ago
4 0
9n^4+8n^3+4

answer^^

hopefully that helped some?!!
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What simulation could be used?
Deffense [45]

Answer:

A-a fair cube

Step-by-step explanation:

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3 years ago
M is the midpoint of XY. XM=10w+2 and MY=5w+22<br> WHAT IS XY??
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15w+24

Step-by-step explanation:

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What is the value of n? 9×27+2×31-28 = n
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4 years ago
Solve the formula V = 1/3b^2 h for b.
liraira [26]

Answer:

b=\sqrt{\frac{3V}{h}}

Step-by-step explanation:

To solve a formula for one of its variables do that

  • Underline the variable
  • Separate it on one side and the other terms on the other side
  • Make its coefficient equals 1

Let us use these steps to solve our question

∵ V = \frac{1}{3} b²h

→ Underline b

∴ V = \frac{1}{3} <u>b²</u>h

→ Multiply both sides by 3 to cancel the denominator on the right side

∴ 3V = <u>b²</u>h

→ Divide both sides by h to move it to the other side

∴ \frac{3V}{h}=b^{2}

→ To find b take √  for both sides

∴ \sqrt{\frac{3V}{h}}=\sqrt{b^{2} }

→ The square root will cancel the power 2 of b

∴ \sqrt{\frac{3V}{h}}=b

→ Switch the two sides

∴  b=\sqrt{\frac{3V}{h}}

3 0
3 years ago
Text: these two triangles are similar
puteri [66]

Answer:

26.25 cm²

Step-by-step explanation:

The area of the shaded part is the area of the shaded triangle subtract the area of the white triangle.

Since the triangles are similar then the ratios of corresponding sides are equal.

let the height of the white triangle be h, then

\frac{12}{9} = \frac{10}{h} ( cross- multiply )

12h = 90 ( divide both sides by 12 )

h = 7.5

shaded area = \frac{1}{2} × 12 × 10 - \frac{1}{2} × 9 × 7.5 = 60 - 33.75 = 26.25 cm²

5 0
4 years ago
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