3 years ago

10 times the quantity 9 minus a number x

Mathematics

2 answers:

Svetllana [295]3 years ago

8 0

Answer:

$10 \times 9 - x \\ x = 10 \times 9 \\ x = 90$

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Paha777 [63]3 years ago

3 0

What the person said
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Add (7х2 – 3x) + (5х – 6).

Masja [62]

Option C: The solution is $7x^{2} +2x-6$

Explanation:

The given expression is $(7x^{2} -3x)+(5x-6)$

We need to solution of the given expression.

The solution of the given expression can be determined by adding the two expressions.

Let us remove the parenthesis.

Thus, we have,

$7x^{2} -3x+5x-6$

Adding the like terms, we have,

$7x^{2} +2x-6$

Thus, the solution is $7x^{2} +2x-6$

Hence, Option C is the correct answer.

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3 years ago

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2 years ago

Must be put in groups of 14 square units or 16 square units triangle EFG

Genrish500 [490]

Answer:

Area 14 = PQRS + UVW; Area 16 = ABCD + EFG

Step-by-step explanation:

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ABCD: A = lw = 4 × 4 = 16

UVW: A = ½bh = ½ × 7 × 4 = 14

EFG: A = ½bh = ½ × 8 × 4 = 16

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3 years ago

<img src="https://tex.z-dn.net/?f=9.10%20%5Ctimes%2015%20%5Ctimes%201.5%20%3D%20" id="TexFormula1" title="9.10 \times 15 \times

faust18 [17]

This is my method of doing it, hope it helps.

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3 years ago

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Answer:

Step-by-step explanation:

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2 years ago