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miskamm [114]
2 years ago
13

Need help please show your work find the missing angles of triangles ​

Mathematics
1 answer:
anzhelika [568]2 years ago
3 0

Answer:

angle: 71

x = -3

Step-by-step explanation:

step 1: 180-(55+54) = 71

step 2: x+74=71 (subtract 74 from both sides)

step 3: x=-3

step 4: -3+74=71

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Find the explicit formula for a 1 =-4,a n =a n-1 +9,n>=2
Mrrafil [7]

Given:

a_1=-4 and a_n=a_{n-1}+9 where n\geq 2.

To find:

The explicit formula for the given recursive formula.

Solution:

We know that recursive formula of an AP is:

a_n=a_{n-1}+d

Where, d is the common difference.

We have,

a_n=a_{n-1}+9

Here, d=9.

The first term of the AP is a_1=-4.

The explicit formula for an AP is:

a_n=a_1+(n-1)d

Substituting a_1=-4 and d=9, we get

a_n=-4+(n-1)9

a_n=-4+9n-9

a_n=-13+9n

Therefore, the required explicit formula for the given sequence is a_n=-13+9n.

6 0
3 years ago
Which expression represents "10 less than the product of 12 and 9"?
seraphim [82]

Answer:

answer.

Step-by-step explanation:

B. 12x9-10 is the answer

6 0
2 years ago
A snack tray at a party has cheese squares with 2 grams of protein apiece and turkey slices with 3 grams of protein apiece. Whic
Andreyy89

Answer:

The inequality equation is 12 ≤ 2x + 3y

Step-by-step explanation:

Protein in a cheese square = 2 grams

Protein in a turkey square = 3 grams

And She can eat 12 or more grams of proteins

Let x be the number of cheese squares and y be the number of turkey squares that she eats.

So, we can write an inequality equation, that describes the given situation in the problem.

i.e. 2x + 3y ≥ 12  or 12 ≤ 2x + 3y

So the inequality equation is 12 ≤ 2x + 3y

4 0
3 years ago
Read 2 more answers
Mike and alice recycled 147 bottles altogether. Mike recycled 6 times as many bottles as Alice. How many bottles did alive recyc
meriva

total=147

a:m

1:6 =7

147÷7=21

21×1=21

alice recycled 21 bottles

8 0
3 years ago
Read 2 more answers
Help ASAP will give brainly 9th grade math
KatRina [158]
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8 0
2 years ago
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