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kkurt [141]
1 year ago
14

I neeeddd the answer

Mathematics
2 answers:
Crank1 year ago
7 0

Answer: 80 degrees because a line is 180°.

So if you subtract

180 - 100 = 80°

garik1379 [7]1 year ago
5 0

Answer:

x=80°

Step-by-step explanation:

The measures of angle x and the 100° angle form a straight angle.

This straight angle is 180°.

You can subtract the measure of one angle from the whole to find the measure of the other angle.

180°-100°=80°

This means angle x is 80°.

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Evaluate -3x² + 4x-2 for x = 2.<br> A. -2<br> B. -1<br> C. -6<br> D. 18
kobusy [5.1K]

Answer:

C. -6

Step-by-step explanation:

-3(2)²+4(2)-2

-3(4) + 8 - 2

-12+8-2

-14+8

-6

5 0
2 years ago
Determine the negation of the following statement:<br><br> x is not equal to 50.
Lana71 [14]
Any more details? I cannot know if you don’t have any more details for me
4 0
2 years ago
Find the measure of each angle indicated.
Neko [114]

Answer: (I worked left-right instead of column 1, then column 2. That's why the answers are jumbled up. 2 on my work corresponds to 4 in the pic, 3 corresponds to 2, 4 corresponds to 5, and 5 corresponds to 3.)

1. 75 degrees

2. 112 degrees

3. 89 degrees

4. x is 8, so 111 degrees

5. x is 3 in both cases, so 90 degrees each

6. x is -7, so 130 degrees

Step-by-step explanation:

1. Adjacent angles are the same measurement. Since the one labeled is 75 degrees, and the question marked angle is adjacent, it is also 75 degrees.

2. The angles shown are complementary, so they both equal 180 degrees. To find the angle marked with "?", subtract 68 from 180 for 112 degrees.

3. The angle labeled is 89 degrees. The one labeled with "?" should be the same, as it is below it, and on the same point as the labeled one. So, 89 degrees is the measurement.

4. The labeled angle is 69 degrees. 180 - 69 is 111 degrees. The equation shown now becomes 12x + 15 = 111. 111 - 15 is 96, which means 12x = 96. Divide both sides by 12 to get x equalling 8.

5. These lines are all perpendicular, so they're all 90 degrees. 29x + 3 = 90, and 31x - 3 = 90 are the new equations. I will attempt x as 3, to see if it's a true value. 29(3) is 87, and 87 + 3 is 90, so 3 is true there. 31(3) is 93, and 93 - 3 is also 90. So x is 3 in both cases

6. We already know one of the angles is 50 degrees. These are complementary, so subtract 50 from 180 to get 130 degrees. So, the equation is x + 137 = 130, which then becomes, 137 + -x = 130. 137 minus 30 is 7, so x is -7.

7 0
2 years ago
Read 2 more answers
Colorblindness is an X-linked recessive condition. If a woman with normal vision whose father was colorblind has a son with a ma
ASHA 777 [7]

Answer: 0.25 or 25%

Step-by-step explanation:Women have two chromosomes XX and men have two also XY.

From the question, it can be seen that colorblindness is an X-linked recessive condition.

Let the X-linked recessive gene be specified as X^{-} and the dominant gene which is not colorblind linked as X^{+}.

The question says the woman has a father who is colourblind which means her father possesses the X-linked recessive gene X^{-} which means he has chromosomes X^{-}Y and therefore must have given his daughter the recessive gene

For her husband who has normal vision his chromosomes will be X^{+} Y.

So, the probability that their son will be colourblind will be;

Chromosomes X^{+} Y

X^{+} X^{+} X^{+} X^{+}Y.

X^{-} X^{-} X^{+}. X^{-}Y.

Therefore, the probability that their son will be color blind = ¼ or 0.25 or 25%

7 0
3 years ago
What does 4qt= to fl oz
beks73 [17]
4 quarts are equal to 128 fl oz. 

There is 32 fl oz in a quart. Since you have 4 quarts, you multiply 32 by 4 to get 128.

Hope this helps! :)
6 0
3 years ago
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