Define the following term reciprocal

Mathematics

2 answers:

pentagon [3]3 years ago

8 0

Answer:

given, felt, or done in return

Alenkinab [10]3 years ago

3 0

In any math course you take, reciprocal basically means to flip something. for example, if you had the fraction -3/5 the fraction would then become 5/-3. never flip the negative signs unless you need to negate a fraction in a math problem.

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Evaluate: 48 ÷ 8 + 5 × (7 – 2)

Makovka662 [10]

Answer:

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7 0

3 years ago

At 6 a.m. the temperature was

ExtremeBDS [4]

Answer:

-6 degrees Fahrenheit

Step-by-step explanation:

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8 0

3 years ago

In △ABC, m∠A=19°, a=13, and b=14. Find c to the nearest tenth.

34kurt

We know that
Applying the law of sines

step 1
Find the value of angle B
a=13
b=14
A=19°
so

$\frac{a}{sin A} = \frac{b}{sin B} \\ a*sin B=b*sin A \\ sin B= \frac{b}{a}*sin A \\ sin B= \frac{14}{13} *sin 19 \\ sin B=0.3506 \\ B=arc sin(0.3506) \\ B=20.5$ °

step 2
with angle A and angle B find the angle C
A+B+C=180-----> solve for C
C=180-(A+B)------> C=180-(19+20.5)-----> C=140.5°

step 3
$\frac{a}{sin A} = \frac{c}{sin C} \\ a*sin C=c*sin A \\ c=a* \frac{sin C}{sin A} \\ c=13* \frac{sin 140.5}{sin 19} \\ c=25.4$

the answer is
the value of c is 25.4

3 0

3 years ago

Solve for x: x^2=a If a<0, then If a=0, then If a>0, then

Anastaziya [24]

if a > 0, there are two possible solutions:

$x^{2} = a\\\sqrt{x^{2} } = \sqrt{a} \\$