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3 years ago

9

Together Elizabeth and Norman have 45 postcards. Norman has 4 Times as many postcards as Elizabeth. How many postcards are in No

rman's collection? how many postcards are in Elizabeth's collection?

1 answer:

stiv31 [10]3 years ago

6 0

Answer:

boy 36

girl 9

............

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Two angles are complementary. The measure of the larger angle is 10 more than 4 times the measure of the smaller angle. Find the

slamgirl [31]

Answer:

16 = small

74 = big

Step-by-step explanation:

4x+10 = big angle

x = small angle

4x+10+x = 90

5x+10 = 90

5x = 80

x = 16

4 x 16 + 10 = 74

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Step-by-step explanation:

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3 years ago

Whats 5578 ÷ 68 equal to

kramer

5578/68=82.029411764705882352941176470588

that would be rounded to 82.02 which is the answer

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Como dividir 8.2 por 2.87

lakkis [162]

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4 years ago

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1. Select all values of x that are solutions to the equation: -2(x + 4)(3x - 18) = 0A) -6B) -4C) -2D) OE) 2F) 4G) 6

navik [9.2K]

$\begin{gathered} -2(x+4)(3x-18)=0 \\ \text{There are two factors here which are} \\ -2(x+4)\text{ and} \\ (3x-18) \\ \text{This means, either} \\ 2(x+4)=0 \\ 2x+8=0 \\ 2x=-8 \\ \text{Divide both sides by 2} \\ x=-4 \\ OR \\ 3x-18=0 \\ 3x=18 \\ \text{Divide both sides by 3} \\ x=6 \\ \text{Therefore,} \\ x=-4\text{ or} \\ x=6 \end{gathered}$

x = -4 OR x = 6

The correct options are B and G

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1 year ago