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3 years ago

Identify the stem: 168

Mathematics

1 answer:

Alinara [238K]3 years ago

3 0

Hopefully it's B :)))

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Finding missing angles

alekssr [168]

Answer:

C. 105° = (5x - 70)°

Step-by-step explanation:

Vertically opposite angles are equal in size.

105° = (5x - 70)°

The correct answer is choice C.

5 0

3 years ago

Read 2 more answers

Hi I need help finding the slope of this function.

umka2103 [35]

Answer:+0.5 is the slope

Step-by-step explanation:

(-2,-4) (-1,-3.5) (0,-3) (1,-2.5) (2,-2)

3 0

3 years ago

A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 47.047.0 and

alisha [4.7K]

Answer:

0.025 = 2.5% probability that a given class period runs between 51.5 and 51.75 minutes.

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X lower than x is between c and d is given by the following formula

$P(c \leq X \leq d) = \frac{d - c}{b-a}$

For this problem, we have that:

$a = 47, b = 57, c = 51.5, d = 51.75$ . So

$P(c \leq X \leq d) = \frac{d - c}{b-a}$

$P(51.5 \leq X \leq 51.75) = \frac{51.75 - 51.5}{57 - 47} = 0.025$

0.025 = 2.5% probability that a given class period runs between 51.5 and 51.75 minutes.

4 0

3 years ago

What is the value of this expression when a = 4, b = -5, and c = -7?

Ganezh [65]

Answer:

The value of the given expression is -878.08.

Step-by-step explanation:

Here, the given question is INCOMPLETE.

The complete question is:

Evaluate the expression for a = 4, b = -5, and c = -7. $4a^2b^{-2}c^3$

Here, substitute the vale of a = 4, b = -5 and c = -7, we get:

$4a^2b^{-2}c^3 = (\frac{4a^2c^3}{b^2}) = (\frac{4(4)^2(-7)^3}{(-5)^2})\\= (\frac{64 \times 343}{25}) =\frac{21,952}{25} = 878.08\\\implies 4a^2b^{-2}c^3 = 878.08 ( a = 4, b = -5 ,c = -7)$

Hence, the value of the given expression is -878.08.

8 0

3 years ago

A recipe for brownies calls for 2/3 Cup of chocolate chips for a batch of two dozen brownies. How many chocolate chips will be n

vovikov84 [41]

Answer:

6 cups

Step-by-step explanation:

$(18 \times \frac{2}{3} ) \div 2 =$

$12 \div 2 =$

$6$

8 0

4 years ago