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tangare [24]
3 years ago
13

Simplify 5(a+7)+2(a+4)​

Mathematics
2 answers:
Zina [86]3 years ago
8 0

Answer:

7a+43

Step-by-step explanation:

harina [27]3 years ago
4 0
First, we have to distribute 5(a+7) using the distributive property. We get 5a and 35. Then, we do the same with 2(a+4), getting 2a and 8. Lastly, we add both results. 5a + 2a and 8 + 35 = 7a + 43
Therefore, the answer would be 7a +73.
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lutik1710 [3]

Answer:

a) 5units

b) (4.5, 4)

Step-by-step explanation:

Let the coordinate of P and Q be P(3, 2) and Q(6, 6)

PQ can be gotten using the distance formula;

PQ =√(6-2)²+(6-3)²

PQ = √4²+3²

PQ =√16+9

PQ =√25

PQ = 5units

Midpoint M is  expressed as;

M(X, Y) = {(x1+x2)/2, y1+y2/2}

X = x1+x2/2

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Similarly;

Y = y1+y2/2

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Hence the midpoint of PQ is (4.5, 4)

4 0
2 years ago
A 35 mm length of cable is cut into pieces that measure 1.25 meters each. Into how many pieces is the cable cut
AysviL [449]
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8 0
3 years ago
Please answer these 5 questions
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Can someone see if i did this correct? If not pls explain
Taya2010 [7]

Answer:

Not right.

Step-by-step explanation:

m <HGJ + m <KGJ =180°

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8 0
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