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Arlecino [84]
3 years ago
11

Which angles are right? Check all that apply

Mathematics
2 answers:
lesantik [10]3 years ago
8 0

Answer:

A, B,C but not d

Step-by-step explanation:

A because its just 90 degrees, same with b, and c. but not d because its under 90

Hitman42 [59]3 years ago
5 0

Answer:

If I remember correctly, right angles are 90 degree angles. So the answers would be A. B. and C.

Step-by-step explanation:

If you see the little box on the angle, that means it's a 90 degree (right) angle.

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A sequence is defined recursively using the equation f(n + 1) = f(n) – 8. If f(1) = 100, what is f(6)?
BARSIC [14]
If the sequence f is defined as

\mathsf{f(n+1)=f(n)-8}


then

\mathsf{f(n+1)-f(n)=-8}


As you can see above, the difference between two consecutive terms gives us a constant.


So f is actually an arithmetic progression (AP), and it has (– 8) as its common difference:

\mathsf{f(n)=f(1)+(n-1)\cdot d}\\\\ \textsf{where }\mathsf{d=-8.}


•   If f(1) = 100, then

\mathsf{f(6)=f(1)+(6-1)\cdot (-8)}\\\\ \mathsf{f(6)=100+5\cdot (-8)}\\\\ \mathsf{f(6)=100-40}\\\\ \boxed{\begin{array}{l} \mathsf{f(6)=60} \end{array}}\qquad\checkmark


If you're having problems understanding this answer, try seeing it through your browser: brainly.com/question/2190444


I hope this helps. :-)

3 0
3 years ago
What is bigger 3/7 or 2/10?
yanalaym [24]
3/7. if you make them equivalent fractions it would be 30/70 or 14/70. 30/70 is bigger.
7 0
3 years ago
A parallelogram has an area of 136.96 square kilometers and a height of 12.8 kilometers. What is the length of the base?
fenix001 [56]

Answer:

the answer is 10.7

Step-by-step explanation:

136.96 \div 12.8

that show give you your answer

5 0
2 years ago
A flagpole broke in a storm. It was originally 81 feet tall. 28 feet are still sticking straight out of the ground, where it sna
Nina [5.8K]
Hidden right triangle
28 feet tall (1 leg)
the piece that fell over is the hypotonuse
last leg is what we need to find

81-28=53


a²+b²=c²
a and b are legs and c is the hypotonuse

given
on leg is 28 and the hypotonuse is 53
th othe leg is b
28²+b²=53²
784+b²=2809
minus 784 from both sides
b²=2025
sqrt both sides
b=45

answer is 45ft
4 0
3 years ago
Read 2 more answers
Use long division to divide and use the result to factor the dividend completely.
dolphi86 [110]
The answer is:
Factor the expression

3 0
3 years ago
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