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3 years ago

9

Naomi used a rectangle a square and a right triangle to form figure. What is the area of the shaded region of the figure in squa

re centimeters

2 answers:

Reil [10]3 years ago

6 0

Answer:

Nothing.

Step-by-step explanation:

I believe you needed a picture.

kherson [118]3 years ago

5 0

Awnser:

Nothing.

Step by step explanation
Needed the picture if any to figure it out?

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Determine whether the set, together with the indicated operations, is a vector space. If it is not, then identify one of the vec

Mama L [17]

Answer:

The answer to the question are

(B) The set is not a vector space because it is not closed under addition. and

(D) The set is not a vector space because an additive inverse does not exist.

Step-by-step explanation:

To be able to identify the possible things that can affect a possible vector space one would have to practice on several exercises.

The vector space axioms that failed are as follows

(B) The set is not a vector space because it is not closed under addition.

(2·x⁸ + 3·x) + (-2·x⁸ +x) = 4·x which is not an eighth degree polynomial

(D) The set is not a vector space because an additive inverse does not exist.

There is no eight degree polynomial = 0

The axioms for real vector space are

Addition: Possibility of forming the sum x+y which is in X from elements x and y which are also in X
Inverse: Possibility of forming an inverse -x which is in X from an element x which is in X
Scalar multiplication: The possibility of forming multiplication between an element x in X and a real number c of which the product cx is also an element of X

7 0

3 years ago

Answer ASAP <br><br><br>Find the circumference of the given circle (7 inches) <br><br>use pi (3.14)

Firdavs [7]

Answer:

43.98

Step-by-step explanation:

is 7 inches the radius or the diameter?

if 7 inches is the radius then 43.98 is the answer

if 7 inches is the diameter 21.99 is the answer

7 0

3 years ago

Assuming boys and girls are equally likely, find the probability of a couple having a baby girl when their sixth child is born

Ivanshal [37]

Answer: The required probability of having 6th girl is 0.5.

Step-by-step explanation: Given that boys and girls are equally likely.

We are to find the probability of a couple having a baby girl when their sixth child is born, given that the first five children were all girls.

Since the events of having a boy and a girl are independent of each other, so

the probability of having 6th girl dose not depend on the birth of the first five girls.

We know that there are only two possible cases (either a boy or girl will born).

So, sample space, S = {G, B} and the event E of having a girl is, E = {G}.

That is, n(S) = 2 and n(E) = 1.

Therefore, the probability of event E is given by

$P(E)=\dfrac{n(E)}{n(S)}=\dfrac{1}{2}=0.5.$

Thus, the required probability of having 6th girl is 0.5.

3 0

2 years ago

Find the missing lengths in the triangle. round to the nearest tenth if necessary

lubasha [3.4K]

Answer:

$x=8,\\y\approx 6.9$

Step-by-step explanation:

The side lengths of all 30-60-90 triangles are in ratio $x:x\sqrt{3}:2x}$ , where $2x$ is the hypotenuse of the triangle and $x$ is the side opposite to the 30 degree angle.

In the given diagram, the side labelled 4 is opposite to the 30 degree angle. Since $x$ is labelled as the hypotenuse of the triangle, $x$ must be $4\cdot 2=\boxed{8}$ .

Variable $y$ must then represent $x\sqrt{3}$ for $x=4$ , yielding $y=4\sqrt{3}\approx \boxed{6.9}$

7 0

3 years ago

Please i need help with this question

Zina [86]

Answer:

A & D are correct

Step-by-step explanation:

to solve for 'x':

4x + 16 = 180

4x = 164

x = 41

m∡A = 2(41)+1 = 83°

m∡B = 41°

m∡C = 41+15 = 56°

5 0

2 years ago