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3 years ago

Solve the following quadratic equation (X+12)^2=1

Mathematics

2 answers:

lbvjy [14]3 years ago

6 0

Answer:

x = -11 and -13

Step-by-step explanation:

expanding the equation

x²+24x+144 = 1

x²+24x+143=0

(x+a)(x+b) = 0, where ab = 143 and a+b = 24

11X13 = 243 11+13 = 24

(x+11)(x+13) = 0

x +11 = 0; x = -11

x+ 13 = 0, x = -13

Deffense [45]3 years ago

6 0

Answer:

-11 and -13

Step-by-step explanation:

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Ryan needs to make a total of 80 deliveries this week. So far he has completed 52 of them. What percentage of his total deliveri

Papessa [141]

The answer is 65.35

80 | 100
52 | 65.35

80/52 = 1.53
100/1.53 = 65.35

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2 years ago

Simplify as a ratio: 100:199:47

rodikova [14]

Answer:

Find GCF of all values in the given ratio

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When GCF value is equal to 1, the given ratio can not be simplified.

Step-by-step explanation:

It cant be simplified

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3 years ago

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miss Akunina [59]

Answer:

$\displaystyle 35$

Explanation:

Complementary Angles sum up to ninety degrees, so do the following:

$\displaystyle 90° = 55° + m\angle{DEF} \\ \\ 35° = m\angle{DEF}$

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2 years ago

Mark each situation as an example of experimental or theoretical probability.

Delicious77 [7]

Answer:

You chose correctly

Step-by-step explanation:

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3 years ago

What is 7% as a number?

vesna_86 [32]

Answer:

0.07

Step-by-step explanation:

<u>Step 1: Convert into a number</u>

7% / 100

0.07

Answer: 0.07

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3 years ago

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