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lidiya [134]
4 years ago
12

Estimate the sum or difference...

Mathematics
1 answer:
Sholpan [36]4 years ago
7 0
Sosksl 35is40 is 40 times 0 is 3
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Find the measure of the missing angles.
Sergio039 [100]

Answer:

d = 105° , e = 32° , f = 43°

Step-by-step explanation:

d and 105° are vertically opposite angles and are congruent , then

d = 105°

e and 32° are vertically opposite angles and are congruent , then

e = 32°

105° , e and f lie on a straight line and sum to 180° , that is

105° + e + f = 180°

105° + 32° + f = 180°

137° + f = 180° ( subtract 137° from both sides )

f = 43°

8 0
2 years ago
Read 2 more answers
When designing motorcycle helmets, the breadth of a person’s head must be considered. Men have head breadths that are normally d
prisoha [69]

Answer:

57.93%

Step-by-step explanation:

We have been given that men have head breadths that are normally distributed with a mean of 6.0 inches and a standard deviation of 1.0 inches. We are asked to find the probability that a man's breadth is less than 6.2 inches.

First of all, we will find z-score corresponding to sample score of 6.2 as:

z=\frac{x-\mu}{\sigma}, where,

z = Z-score,

x = Sample score,

\mu = Mean,

\sigma = Standard deviation.

Upon substituting our given values in z-score formula, we will get:

z=\frac{6.2-6.0}{1.0}

z=\frac{0.2}{1.0}

z=0.2

Now, we need to find the probability that a z-score is less than 0.2.

Using normal distribution table, we will get:

P(z

0.57926\approx 57.926\%\approx 57.93\%

Therefore, the probability that a male's head breadth is less than 6.2 inches, would be approximately 57.93%.

8 0
3 years ago
You are graphing rectangle ABCDABCDA, B, C, D in the coordinate plane. The following are three of the vertices of the rectangle:
vampirchik [111]

Answer:

The given coordinates of the vertices of rectangle ABCD are A(−2,2),B(4,2),C(4,−2).

We are to plot D on the graph.

Since ABCD is a rectangle, the abscissa of D will be that of A and the ordinate of D will be that of C.

Step-by-step explanation:

3 0
3 years ago
Select all the expressions equvilants to 1.5 x 4 + 3 x 2 - 7
Step2247 [10]
The answer is C. 6+3 x (-5)
7 0
3 years ago
Simplify each expression. Type your answer into the box. (8 – 4)2 x |4 – 8| =
elena55 [62]

Answer:

-32

Step-by-step explanation:

First you have to solve the numbers in the parenthesis which would be (8-4)= 4 then there is a 2 that you have to multiply which would be 4x2=8, then you have to solve the other parenthesis (4-8)=-4 so then you end up with 8x-4 which equals -32

7 0
3 years ago
Read 2 more answers
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