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Finger [1]
2 years ago
5

Factor the expression 45b+40​

Mathematics
2 answers:
natali 33 [55]2 years ago
6 0

Answer:

5(9b + 8)

Step-by-step explanation:

Rewrite 45 as 5 * 9

Rewrite 40 as 5 * 8

= 5 * 9b + 5 * 8

Factor out common term 5

=5 (9b + 8)

Zina [86]2 years ago
3 0

Answer:

5(9b+8)

Step-by-step explanation:

You have to see what numbers equally go into 45 and that would be 9 and 5, and then you see what numbers will go into 40 and that is 8 and 5.

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CAN SOMEONE PLS HELP ILL GIVE YOU BRAINLIST!! I DONT UNDERSTAND IT .
Harman [31]

Answer:

m∠P = 82°

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m∠R = 49°

Step-by-step explanation:

<em>In the isosceles triangle, the base angles are equal in measures</em>

In Δ PQR

∵ PQ = PR

∴ Δ PQR is an isosceles triangle

∵ ∠Q and ∠R are the base angles

→ By using the fact above

∴ m∠Q = m∠R

∵ m∠Q = (3x + 25)°

∵ m∠R = (2x + 33)°

→ Equate them

∴ 3x + 25 = 2x + 33

→ Subtract 2x from both sides

∵ 3x - 2x + 25 = 2x - 2x + 33

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→ Subtract 25 from both sides

∵ x + 25 - 25 = 33 - 25

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→ Substitute the value of x in the measures of angles Q and R

∵ m∠Q = 3(8) + 25 = 24 + 25

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6 0
2 years ago
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