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3 years ago

Worth a lot of points. Need help answering these ASAP

Mathematics

1 answer:

Inga [223]3 years ago

5 0

Answer:

(tried by best and solved for the c side of the triangles)

7) =5

8) =6.6

9) =7.6

10) sorry, can't remember how to solve these

Step-by-step explanation:

if you need an explanation just comment on my answer. hope this helped!!

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Which polygon matches this set of ordered pairs

d1i1m1o1n [39]

Answer:

Step-by-step explanation:

To solve this problem, we can just locate all the points listed in the problem.

The ordered pairs match the rectangle which is answer choice A.

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3 years ago

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Susan needs to buy 3 helium balloons. She can buy individual balloons for $2.75 each, or a 3-pack of balloons for $7.80. How muc

Mrac [35]

Answer:

Step-by-step explanation:

8.25 minus 7.80 is 0.45 45 divided by 3 is 15 so the answer is 15

8 0

3 years ago

I WILL GIVE BRAINLIEST TO WHOEVER IS CORRECT

makvit [3.9K]

Answer:

BC = 22

Step-by-step explanation:

<b = <c given

we now know it is an isosceles triangle

therefore AC = AB

AC=AB

2x-24 = x-2

subtract x from each side

2x-x-24 = x-2-x

x-24 =-2

add 24 to each side

x-24+24 = -2+24

x = 22

side BC = x

BC = 22

6 0

3 years ago

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Use the diagram to complete the statement. Triangle J K L is shown. Angle K J L is a right angle. Angle J K L is 52 degrees and

zzz [600]

Answer:

$\bold{sin(38^\circ)=cos(52^\circ)}$

Step-by-step explanation:

Given that $\triangle KJL$ is a right angled triangle.

$\angle JKL = 52^\circ\\\angle KLJ = 38^\circ$

and

$\angle KJL = 90^\circ$

Kindly refer to the attached image of $\triangle KJL$ in which all the given angles are shown.

To find:

sin(38°) = ?

a) cos(38°)

b) cos(52°)

c) tan(38°)

d) tan(52°)

Solution:

Let us use the trigonometric identities in the given $\triangle KJL$ .

We have to find the value of sin(38°).

We know that sine trigonometric identity is given as:

$sin\theta =\dfrac{Perpendicular}{Hypotenuse}$

$sin(\angle JLK) = \dfrac{JK}{KL}\\OR\\sin(38^\circ) = \dfrac{JK}{KL}$ ....... (1)

Now, let us find out the values of trigonometric functions given in options one by one:

$cos\theta =\dfrac{Base}{Hypotenuse}$

$cos(\angle JLK) = \dfrac{JL}{KL}\\OR\\cos(38^\circ) = \dfrac{JL}{KL}$ ....... (2)

By (1) and (2):

sin(38°) $\neq$ cos(38°).

$cos(\angle JKL) = \dfrac{JK}{KL}\\OR\\cos(52^\circ) = \dfrac{JK}{KL}$ ...... (3)

Comparing equations (1) and (3):

we get the both are same.

$\therefore \bold{sin(38^\circ)=cos(52^\circ)}$

6 0

3 years ago

Can someone help please?

SSSSS [86.1K]

Answer:

B is the correct answer.

Step-by-step explanation:

Pi=3.14

So, 7+3.14=10.14

So yes, B is your correct answer.

Mark brainliest please!

8 0

3 years ago

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*Worth a lot of points*. Need help answering these ASAP

Worth a lot of points. Need help answering these ASAP