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3 years ago

!!!PLEASE ANSWER!!!

Mathematics

1 answer:

Anni [7]3 years ago

3 0

Answer:

Step-by-step explanation:

A rule for every right angle triangle is a^2+b^2 =c^2

but here 5^2 + 10^2 does not equal to 12^2.

Therefore the answer is A.

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- (A) The following data was received from the Student Affairs Unit of the University

ladessa [460]

Answer: i) 30 students for chemistry

ii) 21 students for only one subject

iii) 61 students

Step-by-step explanation: from the question we got 30 students registered for chemistry. number students only for biology = (27-18) = 9

number of students only for chemistry = (30-18) = 12

number of student registered for only one subject = (12+9)= 21

number of students registered for neither two subjects = {100-(9+12+18)} = 61

5 0

3 years ago

URGENT PLEASE HELP!!!! GIVING BRAINLIEST!! If you answer this correctly ill answer some of your questions you have posted! (39pt

WITCHER [35]

Angle O=64

Side m=7.3159882(rounded if needed)

Side n=16.68902(round if needed)

We are given

Angle M which equal 26.

Angle N equals 90 degrees

Side MN which equal 15.

We are asked to find all the missing elements of the triangle.

Angle O can be found using triangle interior theorem so we can add 90+26+x =180 to find the value that satisfies the x value.

$90 + 26 + x = 180$

$116 + x = 180$

$x = 64$

Angle O=64 degrees

We can find side m by doing law of sines.

$\frac{on}{ \sin(26) } = \frac{mn}{ \sin(64) }$

$\frac{on}{ \sin(26) } = \frac{15}{ \sin(64) }$

$on = \frac{15}{ \sin(64) } \times \sin(26)$

which is 7.315(round if neeeded).

We can find side n using pythagorean theorem,

${15}^{2} + {7.3}^{2} = {n}^{2}$

$225 + 53.29 = {n}^{2}$

$\sqrt{278.29}$

Side n=16.689(round if needed)

4 0

2 years ago

Delaney bought a new car for $34,742 she was surprised that the dealer then added 1,945.55. what was the sales tax rate for this

Gemiola [76]

Answer:

5.6%

Step-by-step explanation:

$34,742. X 5.6% = $1,945.55

6 0

3 years ago

JUliet is trying to increase her savings account and she decides that she is going

antiseptic1488 [7]

Set up an automatic transfer from her checking to savings account once a month.

3 0

3 years ago

PLEASE HELP WILL MARK BRAINLIEST!

Naily [24]

Answer:

The answer is given in the picture

Please mark me brainliest

7 0

2 years ago