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2 years ago

PLEASE HELP!!!!!!!!!!!!!!!!ASAP!!!!!!!!!!NOW!!!!!!!!!!RIGHT AWAY!!!!!!!!

Mathematics

1 answer:

sukhopar [10]2 years ago

8 0

Answer:

(a)it is

Step-by-step explanation:

this is because ABC and SDC are both right angle triangles

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Round 66681 to the nearest ten thousand

Digiron [165]

Answer:

66,681 rounded to the nearest ten-thousand would be equal to 70,000.

Step-by-step explanation:

any time the number is higher than 5 you round up but if not you round down! i hope this helps!

3 0

3 years ago

Read 2 more answers

Plz help answer fast

spayn [35]

Answer:

d because it does not looks somlar

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1 year ago

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A membership at a yoga studio costs $35 per month. Write an equation for the cost of the membership, c, that you pay if you keep

Usimov [2.4K]

Since there is no base down payment or anything the equation i think would just be 35m = c
If there was say a one time payment of $20 and then the monthly payments it would look like 20+35m=C
I hope this helps :)

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3 years ago

In JKL, k=4.1 cm,j=3.8 cm and angle J=Q3^ Find all possible values of angle K , to the nearest inch of a degree .

spayn [35]

Answer:

74.0°

Step-by-step explanation:

In triangle JKL, k = 4.1 cm, j = 3.8 cm and ∠J=63°. Find all possible values of angle K, to the nearest 10th of a degree

Solution:

A triangle is a polygon with three sides and three angles. Types of triangles are right angled triangle, scalene triangle, equilateral triangle and isosceles triangle.

Given a triangle with angles A, B, C and the corresponding sides opposite to the angles as a, b, c. Sine rule states that for the triangle, the following holds:

$\frac{a}{sin(A)}=\frac{b}{sin(B)}=\frac{c}{sin(C)}$

In triangle JKL, k=4.1 cm, j=3.8 cm and angle J=63°.

Using sine rule, we can find ∠K:

$\frac{k}{sin(K)}=\frac{j}{sin(J)} \\\\\frac{4.1}{sin(K)}=\frac{3.8}{sin(63)} \\\\sin(K)=\frac{4.1*sin(63)}{3.8}\\\\sin(K)=0.9613\\\\K=sin^{-1} (0.9613)\\\\K=74.0^o \\$

6 0

2 years ago

What should be the b-value in the equation shown below if the equation is a perfect square trinomial?

masha68 [24]

Answer:

B=10

Step-by-step explanation:

It's a perfect square of equation ax²+2abx+b²

I'm the given equation a is 1 and b is 5 so 2(a)(b)=2(1)(5)=10

(ps: when I say b in the explanation I mean another b not the one in question as to not be confused)

4 0

2 years ago