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poizon [28]
3 years ago
9

Can you please answer the following

Mathematics
2 answers:
Ann [662]3 years ago
8 0
Answer.
5. B. 4
6. sq. root of 2
7. C. 8
8. B. 13
9. B. 12x12=144
10. C. 11
Explanation.

5. A perfect square is a number with a perfect square root. of the four numbers, 4 is a perfect square.

6. An irrational number is a number that cannot be expressed as the ratio of two integers. The square root of two is an example of this.

7. A square root is a number times itself, but you do not know what number is being multiplied. By testing all the options, we find that 8x8 is indeed 64.

8. A square root is a number times itself, but you do not know what number is being multiplied. By testing all the options, we find that 13x13 is indeed 169.

9. We know that a square root is when a number is multiplied my itself. 12x12 is 144 therefore the square root of 144 is 12.

10. Because the square root of 140 does not have an simple answer, we can estimate. The approximate answer is 11.83 which can round up to 12 if that answer is available, select it. If not, the answer is 11.
Hope this helps, let me know if it’s correct so others can use it.
Good luck.
aleksandr82 [10.1K]3 years ago
4 0

Answer:

5. 4

6. ?

7. c- 8

8. b-13

9. ?

10. d. 12

Step-by-step explanation:

i hope this helps, sorry for the question marks :)

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Is the given point interior , exterior, or on the circle k (x+2)2 + (y-3)2 =18 P (8,4)
Mnenie [13.5K]
One way would be to find the distance from the point to the center of the circle and compare it to the radius

for
(x-h)^2+(y-k)^2=r^2
the center is (h,k) and the radius is r

and the distance formula is
distance between (x_1,y_1) and (x_2,y_2) is
D=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}


r=radius
D=distance form (8,4) to center

if r>D, then (8,4) is inside the circle
if r=D, then (8,4) is on the circle
if r<D, then (8,4) is outside the circle


so
(x+2)^2+(y-3)^2=18
(x-(-2))^2+(y-3)^2=(\sqrt{18})^2
(x-(-2))^2+(y-3)^2=(3\sqrt{2})^2

the radius is 3\sqrt{2}
center is (-2,3)

find distance between (8,4) and (-2,3)

D=\sqrt{(8-(-2))^2+(4-3)^2}
D=\sqrt{(8+2)^2+(1)^2}
D=\sqrt{10^2+1}
D=\sqrt{100+1}
D=\sqrt{101}




r=3\sqrt{2}≈4.2
D=\sqrt{101}≈10.04

do r<D

(8,4) is outside the circle

6 0
3 years ago
Find the missing term in the sequence 3 ,-1 ,- 5 ____ -13<br><br>a. -6<br>b. -7<br>c. -9<br>d. -11​
Reil [10]

Answer:

C. -9

Step-by-step explanation:

The pattern is clearly subtracting 4 each time (or adding -4).

-5 - 4 = -9

6 0
3 years ago
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Aleksandr-060686 [28]

Answer:

It should be congruent by the AAS congruence theorem

Step-by-step explanation:

The error is in the congruence theorem.

We know that the 2 angles are congruent and one of the sides are congruent. This means that it can either be congruent by ASA or AAS.

It is actually congruent by AAS because it include two angles and the side is opposite of one of the angles.

7 0
2 years ago
I WILL GIVE BRAINLIEST HELP PLEASEEEE HELP PLEASEEE
Lady bird [3.3K]

Answer:

-39

Step-by-step explanation:

\left(-3\right)^3-\sqrt[3]{27}-4^3\left(\sqrt[3]{64}-\left(2\right)\left(2\right)\right)-\frac{\left(3\right)^3\left(2\right)}{6}

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Which gives us -39.

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3 years ago
Need help with math problem please
allsm [11]

Answer:

for inverse: f^-1(x)=2x-14

for derivative: f^-1(x)=1/2

Step-by-step explanation:

3 0
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