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Margarita [4]
1 year ago
15

Producer of

gn="absmiddle" class="latex-formula">
Mathematics
1 answer:
tamaranim1 [39]1 year ago
5 0

Answer:

(x - 7)(x + 3)

Explanation:

\rightarrow \sf x^2 - 4x - 21

breakdown

\rightarrow \sf x^2 - 7x +3x- 21

factor out common terms

\rightarrow \sf x(x - 7) +3(x- 7)

collect into groups

\rightarrow \sf (x+3)(x- 7)

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Given that T is the centroid of △DEF and FT=12
dlinn [17]

The centroid of a triangle divides the median of the triangle into 1 : 2

The measure of FQ is 18, while the measure of TQ is 6

Because point T is the centroid, then we have the following ratio

\mathbf{TQ : FT =1 : 2}

Where FT = 12.

Substitute 12 for FT in the above ratio

\mathbf{TQ : 12 =1 : 2}

Express as fraction

\mathbf{\frac{TQ }{ 12} =\frac{1 }{ 2}}

Multiply both sides by 12

\mathbf{TQ =\frac{1 }{ 2} \times 12}

This gives

\mathbf{TQ =\frac{1 2}{ 2}}

Divide 12 by 2

\mathbf{TQ =6}

The measure of FQ is calculated using:

\mathbf{FQ = FT + TQ}

Substitute 12 for FT, and 6 for TQ

\mathbf{FQ = 12 + 6}

Add 12 and 6

\mathbf{FQ = 18}

Hence, the measure of FQ is 18, while the measure of TQ is 6

Read more about centroids at:

brainly.com/question/11891965

6 0
2 years ago
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Step-by-step explanation:

8 0
3 years ago
2x+9=1x-5 what is x?
Vlada [557]

Answer:

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x=-14

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