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2 years ago

Which value is equivalent to the expression shown? 3(1 – 2) + |-71

Mathematics

1 answer:

nikdorinn [45]2 years ago

5 0

Answer:

-74

Step-by-step explanation:

3(1-2) + (-71)

3(-1) - 71

-3 -71

-74

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Cassandra assigns values to some of the measures of triangle ABC. If angle A measures 30°, a = 6, and b = 18, which is true?

Anna [14]

Answer:

The triangle does not exist because sin(A)/a can not be equal to sin(B)/b

Step-by-step explanation:

we know that

step 1

Find the measure of angle B

Applying the law of sines

$\frac{sin(A)}{a}=\frac{sin(B)}{b}$

we have

$A=30\°$

$sin(30\°)=1/2$

$a=6\ units$

$b=18\ units$

substitute

$\frac{(1/2)}{6}=\frac{sin(B)}{18}$

$\frac{1}{12}=\frac{sin(B)}{18}$

$sin(B)=\frac{18}{12}$

$sin(B)=\frac{3}{2}=1.5$

Remember that the value of sine can not be greater than 1

therefore

The triangle does not exist because sin(A)/a can not be equal to sin(B)/b

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3 years ago

Please help!!! Options- 15.3 10.2 233 21

Rama09 [41]

8^2 + 13^2 = c^2
64 + 169 = c^2
233 = c^2
15.26 = c

your answer would be A. 15.3

hope that helped

4 0

3 years ago

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What is the area of 30/7 and 1/3

serious [3.7K]

Answer:

The answer is 7/4 = 1 3/4 = 1.75 = seven quarters (or one and three quarters) ... numbers, be sure to leave a single space between the whole and fraction part.

Step-by-step explanation:

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3 years ago

On the grid, draw graphs of y=x+2 and x+y=3

masya89 [10]

Try getting a graphing calculator they help a lot

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3 years ago

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Minchanka [31]

Answer:

C complex

Step-by-step explanation:

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a is the real part and bi is the imaginary part

Together they make a complex number

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3 years ago