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Radda [10]
3 years ago
11

What is the measure of angle b?

Mathematics
1 answer:
Natasha2012 [34]3 years ago
3 0

Answer:

90

Step-by-step explanation:

they are vertical angles

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Find the answer. Number 1,2,3,4,5, and 6.
jeyben [28]

Answer:

<u><em>Note. All numbers are rounded to the nearest tenth</em></u>

1

  • x/9 = cos 48°
  • x = 9 cos 48°
  • x = 6.0

2.

  • x/11 = sin62°
  • x = 11 sin 62°
  • x = 9.7

3.

  • x/8 = tan 75
  • x = 8 tan 75°
  • x = 29.9

4.

  • sin x = 38/53
  • x = arcsin 38.53
  • x = 45.8°

5.

  • tan x = 15/20
  • x = arctan 15/20
  • x = 36.9°

6.

  • cos x = 27/29
  • x = arccos 27/29
  • x = 21.4°
8 0
3 years ago
In the process of proving that opposite sides of a parallelogram are congruent, Ross drew a diagonal of the parallelogram and de
ioda

Answer:

(B) ASA

Step-by-step explanation:

we will verify each options

option-A:

we can see that there is no consecutive two angles

so, this postulates can not be true

so, this is FALSE

option-B:

We can see that

one angle and then side and another angle are equivalents

so, this is TRUE

option-C:

We can see that

one side and two angles are equivalents

so, this is FALSE

option-D:

we can see that

one side and two angles are equivalents

so, this is FALSE

7 0
3 years ago
Translate the sum of a number and 7 is 11 to an equation
LiRa [457]
Sum of a number and 7 = x + 7

Is 11 = "= 11"

That equals x + 7 = 11.

x = 4

Hope this helped☺☺
8 0
3 years ago
A medical equipment industry manufactures X-ray machines. The unit cost (the cost in dollars to make each X-ray machine) depends
lyudmila [28]

Answer:

$14,362

Step-by-step explanation:

The computation of the minimum unit cost is shown below:

Given that

0.6x^2 - 108x + 19,222

And as we know that the quadratic equation form is

ax^2 + bx + c

where

a = 0.6

b = -108

c = 19,222

Now for determining the minimal cost we applied the following formula which is

= \frac{-b}{2a} \\\\ =  \frac{-(-108)}{2\times 0.6} \\\\ =  \frac{108}{1.2}

= 90

Now put these values to the above equation

= 0.6\times 90^{2} - 108 \times 90 + 19,222

= 14,362

8 0
3 years ago
Is the expression 5 + 3x 2always equal to the expression 4x? Explain your answer.
Anna71 [15]
5+3x=4x
only when
x=5
The two expression are only equal at x=5
8 0
3 years ago
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