Urgent!!!!!!!!!
Can someone please give me the correct answer choice
I will mark the first person who answer without a link brainliest.
Please help!!!

Answer:

a=60° b=55°

Step-by-step explanation:

using the exterior angle property it's suopposed to add up to 180° so we make a the subject of the formula subtracting 180-120 .... again the same for b

Answer:

the answer is C

Step-by-step explanation:

the number line shows the numbers 70/100 - 80/100. the x appears 6 lines after 70/100 which is 0.76

Answer:

Angle 3 is equal to Angle 2 because when you have a rhombus, the diagonals will always bisect the angles.

Step-by-step explanation:

Answer: 210

Step-by-step explanation:

Answer:

Step-by-step explanation:

I will focus on your function y = -x - 6.  

First of all, this is a linear function.  All linear functions have unlimited domain and range:  (negative infinity, positive infinity).

If you meant   (1/4)y = - x - 6, exactly the same response would be true.

Answer:

The mean of X is 2 and the standard deviation is 1.3.

Step-by-step explanation:

For each dice rolled, there are only two possible outcomes. Either it lands on one, or it does not. The probability of a dice rolled landing on one is independent of any other dice. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

[tex]E(X) = np[/tex]

The standard deviation of the binomial distribution is:

[tex]\sqrt{V(X)} = \sqrt{np(1-p)}[/tex]

Probability of rolling a 1.

Six sides, so:

[tex]p = \frac{1}{6} = 0.1667[/tex]

12 dices are rolled:

This means that [tex]n = 12[/tex]

Find the mean and standard deviation of X

[tex]E(X) = np = 12*0.1667 = 2[/tex]

[tex]\sqrt{V(X)} = \sqrt{np(1-p)} = \sqrt{12*0.1667*0.8333} = 1.3[/tex]

The mean of X is 2 and the standard deviation is 1.3.

Answer:

D

Step-by-step explanation:

Answer:

250 hamburgers

Step-by-step explanation:

Explanation: Because IK

Answer:

All parallelograms are quadrilaterals

Step-by-step explanation:

All parallelograms are quadrilaterals is true statement.

a quadrilateral is a four-sided polygon, having four edges and four corners

A parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure.

All parallelograms are rectangles is not true because all rectangles are parallelograms, but all parallelograms are not rectangles.

All parallelograms are quadrilaterals is true.

All parallelograms are not rhombuses. Parallelograms with non equal adjacent sides are not rhombuses.

All parallelograms are not squares.

Hence, All parallelograms are quadrilaterals is true statement.

To learn more on Quadrilaterals click:

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Answer:

B D F

Step-by-step explanation:

I dont really know how to explain it, and I need to reach 20 characters for an answer so pretend this is a good explanation

Answer:

19

Step-by-step explanation:

37/3= 12. something

12+7+19

Answer:

I believe it should be 32.9

Step-by-step explanation:

Answer:

3

Step-by-step explanation:

Pick two points on the line

(0,0) and (10,30)

Using the slope formula

m = (y2-y1)/(x2-x1)

    = (30-0)/(10-0)

    = 30/10

    = 3

Answer:

be+bh=eh.

Step-by-step explanation:

am I right or wrong

Answer:

$10.26

Step-by-step explanation:

....................

Answer:

712.5

Step-by-step explanation:

Answer:

8.04 units

Step-by-step explanation:

By Pythagoras Theorem:

[tex] {x}^{2} = \bigg( \frac{25.2}{2} \bigg)^{2} - {(9.7)}^{2} \\ \\ {x}^{2} = ( 12.6)^{2} - {(9.7)}^{2} \\ \\ {x}^{2} = 64.67 \\ \\ x = \sqrt{64.67} \\ \\ x = 8.04176598 \\ \\ x \approx \: 8.04[/tex]

We are to say whether the conclusion is valid.

Answer:

Statement is valid.

Step-by-step explanation:

We are told that One bead is placed in a bag for every member of the school orchestra.

Also that all the beads except for 2 are white. Now, each member takes a bead from the bag and those who lick the non-white will represent the orchestra.

This tells us that this is an unbiased sample because it doesn't give anyone a better chance of picking non-white as every member of the school orchestra has an equal chance since it is randomly selected.

Thus, we can conclude that the statement that two different instrument players will choose the white beads is valid because we are dealing with an unbiased and simple random sampling

Answer: g(x)= -1/2x^2

Step-by-step explanation: since the parabola is opening downwards it would have to be a negative so all we are left with is g(x)=-2x^2 and g(x)-1/2x^2 and if we go in the calculator and type up each equations you would see our answers is g(x)=-1/2x^2

Answer: -8

Step-by-step explanation:

Answer:

5 is a prime number

Step-by-step explanation:

Answer:

60 : 12

90 : 18

120 : 24

150 : 30

Answer:

X = 13

X = 13

X = 13

X = 98

X = 8

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Answer:

9

Step-by-step explanation:

You can say this because 3*3 is 9.

Answer:

1) Isosceles

2) Scalene

3) Scalene

Step-by-step explanation:

The 1st choice is isosceles because 2 side lengths are equal.

The 2nd and 3rd choice are scalene because none of the sides equal the other sides.

Answer:

the answer is an obtuse triangle

The triangle in the image is an obtuse triangle.

In any triangle, the sum of the three angles is always 180 degrees.

Here, the sum of the two angles is 30 + 30 = 60 degrees.

Now, Adding the 120 degrees angle

= 60 + 120

= 180 degrees, which is consistent with the sum of angles in a triangle.

Now, let's consider the types of triangles:

1. Acute triangle: All three angles in an acute triangle are less than 90 degrees.

2. Right triangle: A right triangle has one angle that measures exactly 90 degrees.

3. Equilateral triangle: An equilateral triangle has all three angles equal to 60 degrees.

4. Obtuse triangle: An obtuse triangle has one angle that is greater than 90 degrees.

Thus, the triangle in the image is an obtuse triangle.

Learn more about Type of Triangle here:

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Answer: 2

Step-by-step explanation: so just plug in the numbers first 3(4)-2(-1)-9+3(-1)

then easy just solve remember two negatives equal a positive so 3 times the 4 is 12 and then -2 and -1 is just a positive 2 then minus the 9 and then add -3 because a positive and a negative is a negative and written out that all is 12+2-9+(-3) then it's 14-9 which is 5 then 5+ (-3) is positive 2 so boom lol I hope this helps! let me know if you need any more help! :')

Answer:

2

Step-by-step explanation:

║x = 4

║y = −1

3x − 2y − 9 + 3y

↓

3x + y − 9

↓

[(4 ⋅ 3) − 1] − 9

↓

(12 − 1) − 9

↓

11 − 9

↓

2

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