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Stels [109]
4 years ago
15

What is the value of each variable in the parallelogram

Mathematics
2 answers:
belka [17]4 years ago
7 0
It actually the measures are 20 for z - 8 and a - 21 is 126
Ostrovityanka [42]4 years ago
6 0
Z = 28
D = 126

Set the equations equal to each other
20 = z - 8 
105 = d - 21
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Hannah is deciding between two truck rental companies. Company A charges an initial fee of $30 for the rental plus $2 per mile d
Degger [83]

Answer:

Hannah is deciding between two truck rental companies. Company A charges an initial fee of $30 for the rental plus $2 per mile driven. Company B charges an initial fee of $100 for the rental plus $1 per mile driven. Let AA represent the amount Company A would charge if Hannah drives xx miles, and let BB represent the amount Company B would charge if Hannah drives xx miles. Write an equation for each situation, in terms of x,x, and determine the interval of miles driven, x,x, for which Company A is cheaper than Company B.

5 0
3 years ago
As many as 60,000 bees can live in 3 cubic feet of space. There are about 360,000 bees in a rectangular obveservation beehive th
MakcuM [25]
1 foot because

2 times 3 = 6

60,000 times 6 = 360,000

4 0
4 years ago
Tyler cut 40 1/8 inch board into 3 pieces of equal length. He then cut 3 3/4 iches off of each piece to make smaller boards. Wha
Deffense [45]

Answer:

9\frac{5}{8}\ inches

Step-by-step explanation:

The original board is 40 1/8 inch and it is cut in 3 pieces of equal length:

New boards = 40\frac{1}{8} : 3 = \frac{321}{8} * \frac{1}{3} = \frac{107}{8}

And now he cuts again 3 3/4 inches off of each one of the new boards (substracts)

\frac{107}{8} - 3\frac{3}{4} =\frac{107}{8} -\frac{15}{4} =\frac{107-30}{8} =\frac{77}{8} =9\frac{5}{8} \ inches

6 0
3 years ago
in a random sample of 150 voters, 60 support Trump. Set up a 96 percent confidence interval for the proportion of voters who sup
denis-greek [22]
Given:
n = 150, sample size
Denote the sample proportion by q (normally written as \hat{p}).
That is,
 q = 60/150 = 0.4, sample proportion.

At the 96% confidence level, the z* multiplier is about 2.082, and the confidence interval for the population proportion is
q \pm z^{*}[ \frac{q(1-q)}{ \sqrt{n} } ]

That is,
0.4 +/- 2.082* √[(0.4*0.6)/150]
= 0.4 +/- 0.0833
= (0.3167, 0.4833)
= (31.7%, 48.3%)

Answer: The 96% confidence interval is about (32% to 48%)
3 0
3 years ago
What adds to 12 but multiplies to 9
kotykmax [81]
The numbers are irrational, so they can't be written exactly.
Rounded to the nearest thousandth, they are

       11.196
and
         0.804  .


11.196 + 0.804  =  12
11.196 x 0.804  =  9.002...
7 0
3 years ago
Read 2 more answers
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