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Gala2k [10]
3 years ago
8

Instruction

Mathematics
1 answer:
natulia [17]3 years ago
3 0

Answer:

Step-by-step explanation:

Your question has typographical errors. The equation is 2a + b = 15.7, not 2e+b-15.7

2a + b = 15.7

b = 15.7  - 2a

since a > b, a = 6.3 cm

b = 15.7 - 2·6.3 = 3.1 cm

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Factor 1 and 2. You do NOT need to show or explain steps for 1-2.
kogti [31]

Answer:

Step-by-step explanation:

x² + 9x + 18 = x² + 6x + 3x + 18

                   = x(x + 6) + 3(x + 6)

                   = (x + 3)(x + 6)

x² + 16x + 63 = x² + 9x + 7x + 63

                     = x(x + 9) + 7( x+ 9)

                     = (x + 7)(x + 9)

y² + 13y + 36 = y²+ 9y + 4y + 36

                     = y(y + 9) + 4(y + 9)

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(a). Factored form of the expression (y² + 13y + 36) is (y + 4)(y + 9).

Therefore, Lyndsey's answer is wrong.

(b). Factors are (y + 4) and (y + 9).

(c). Factored form of the expression should be (y + 4)(y + 9) instead of Lindsey's answer (y + 6)(y + 6).

8 0
3 years ago
11)<br> u<br> 130°<br> ?<br> V<br> A) 950<br> C) 130°<br> B) 100°<br> D) 105°
expeople1 [14]

Answer:

c

Step-by-step explanation:

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5 0
3 years ago
16.37 rounded to the nearest whole number is 16 feet per second.true or false
Verizon [17]

Answer: true i guess ;-;

Step-by-step explanation:

7 0
3 years ago
To write the explicit rule, we need some information about the following series:
Maslowich

Answer:

see explanation

Step-by-step explanation:

Note the common ratio r between consecutive terms of the sequence

r = 6 ÷ 3 = 12 ÷ 6 = 24 ÷ 12 = 48 ÷ 24 = 2

The explicit rule for a geometric sequence is

a_{n} = a₁(r)^{n-1}

where a₁ is the first term and r the common ratio

Here a₁ = 3 and r = 2, thus

a_{n} = 3(2)^{n-1} ← explicit rule

5 0
3 years ago
The low temperatures in Colton for 5 consecutive days were −8°F, −13°F, −4°F, −9°F, and −16°F. What was the average low temperat
Aleksandr [31]
Your answer: -10

you add all of your temperatures which gives u -50

then you will divide your answer to the addition problem by 5 because that's how many temperatures u have

which gives you your answer

hope u do well, good luck!
8 0
3 years ago
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