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bearhunter [10]
3 years ago
15

ZABD and ZDBC are supplementary angles.

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
8 0

Answer:

60

Step-by-step explanation:

supplementary angles add to 180 degrees. 180-120=60.

Evgesh-ka [11]3 years ago
3 0
<h3>Answer:</h3>

<u>As above angles are supplementary</u>,

  • x + 120° = 180°
  • x = 180° - 120°
  • x = 60°

<u>Hence, value of x is 60°</u>.

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A quadrilateral has two right angles. The measure of the third angle is 73°. What is the measure of the fourth angle?
elena55 [62]
I'm pretty sure it's 73 degrees as well since Quadrilaterals are congruent.
7 0
4 years ago
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A survey measures the motivation, attitudes, and study habits of freshman in college. Freshmans’ scores on this survey range fro
MrRissso [65]

Answer:

Option A) 0.0074    

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 110

Sample mean, \bar{x} = 20

Sample size, n = 100

Alpha, α = 0.05

Population standard deviation, σ = 115.35

First, we design the null and the alternate hypothesis

H_{0}: \mu = 110\\H_A: \mu \neq 110

We use two-tailed z test to perform this hypothesis.

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{115.35 - 110}{\frac{20}{\sqrt{100}} } = 2.675

Now, we calculate the p-value from the standard normal table.

P-value  = 0.0074

Thus, the correct answer is

Option A) 0.0074

5 0
4 years ago
I need help solving Pythagorean theorem
viktelen [127]
Since theirs no question...

The formula for PT:

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5 0
4 years ago
Haley has 3 3/8 cups of sugar to make pies. If each pie uses 2 1/4 cups of sugar, how many pies can she make?
tester [92]

Answer:

With 3 3/8 cups of sugar Haley can make one and a half  pie.

Step-by-step explanation:

The amount of sugar required to make each pie  =   2 1/4 cup

Now,  2 \frac{1}{4}   = 2 + \frac{1}{4}   = 2 + 0.25  = 2.25

So, Haley uses 2.25 cup of sugar foe  each pie.

Total cups of Sugar Haley has = 3 3/8 cups.

Now,  3 \frac{3}{8}   = 3 + \frac{3}{8}   = 3 + 0.375  = 3.375

So, the total amount of sugar Haley has  is 3.375 cups.

Now, \textrm{Number of pies she can make}  = \frac{\textrm{Total cups of sugar she has}}{\textrm{Cups of sugar required for each cake}}

= \frac{3.375}{2.25}    =1.5

or the number of  pies she can make  =  1.5

Hence, with 3 3/8 cups of sugar Haley can Make 1 1/2 pie.

8 0
3 years ago
A quantity with an initial value of 6500 decays exponentially at a rate of 45%
Allisa [31]

1081.44 is the value of the quantity after 0.1 hours, to the nearest hundredth.

What Is percent in simple words?

  • Rather than being expressed as a fraction, a percentage is a piece of a whole expressed as a number between 0 and 100.
  • Nothing is zero percent; everything is 100 percent; half of something is 50 percent; and nothing is zero percent.
  • You divide the part of the whole by the whole and multiply the result by 100 to get the percentage.

Based on the given conditions, formulate = 6500 *  (1 - \frac{45}{100} )^{( 0.1 * 60/2)}

Evaluate the equation/expression=  1081.4375

Round the number: 1081.44

Therefore, 1081.44 is the value of the quantity after 0.1 hours, to the nearest hundredth.

Learn more about percentage

brainly.com/question/1301322

#SPJ4

7 0
2 years ago
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