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sweet [91]
2 years ago
12

Solve pls brainliest

Mathematics
2 answers:
Tju [1.3M]2 years ago
7 0

Answer:

22

Step-by-step explanation:

5*6 = 30

30 - 8

That comes out to 22

lesya [120]2 years ago
6 0

Answer:

(5×6) -8 = 30 -8 = 22

the answer is 22

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in triangleABC the side lengths are b=13, ac=21 and bc=x. write a compound inequality the represents the range of possible value
tankabanditka [31]

Answer:

8 < x < 34

Step-by-step explanation:

ab = 13, ac = 21, bc = x

The longest side of a triangle must be less than the sum of the other two sides.

If 21 is the longest side:

21 < 13 + x

8 < x

If x is the longest side:

x < 13 + 21

x < 34

Therefore, 8 < x < 34.

3 0
3 years ago
Concerned about graffiti, mayors of nine suburban communities instituted a citizen community watch program. community monthly in
lesya [120]
The data are reported in the attached table.

We define the null hypothesis H₀ as the statement that is believed true until we prove it wrong with the test.
We define the alternative hypothesis H₁ as the statement we want to conclude with our test.

The difference in graffiti before (B) and after (A) will be:
d = A - B.

If the graffiti declined, it means that A will be smaller than B, therefore d should be negative.

Therefore we can set:
H₀ : μd  ≥ 0
H₁ : μd < 0 

The equal sign would mean that the number of graffiti incidents remained constant, therefore it is part of the null hypothesis.

Therefore the correct answer is B) H₀: μd ≥ 0 versus <span>H₁</span>: μd < 0

3 0
3 years ago
Which of the following is true of irrational numbers? *
sleet_krkn [62]

The answer is C because they do not repeat.

4 0
3 years ago
Compute i^1+i^2+i^3....i^99+i^100
fgiga [73]

Good morning ☕️

Answer:

<h3>i¹ + i² + i³ +. . .+ i⁹⁹ + i¹⁰⁰ = 0</h3>

Step-by-step explanation:

Consider the sum S = i¹ + i² + i³ +. . .+ i⁹⁹ + i¹⁰⁰

S =  i¹ +  i² +  i³ + . . . + i⁹⁹  +  i¹⁰⁰

S = a₁ + a₂ + a₃ +. . . + a₉₉ + a₁₀₀

then, S is the sum of 100 consecutive terms of a geometric sequence (an)

where the first term a1 = i¹ = i  and the common ratio = i

FORMULA:______________________

S=(term1)*\frac{1-(common.ratio)^{number.of.terms}}{1-(common.ratio)}

_______________________________

then

S=i*\frac{1-i^{100} }{1-i}

or i¹⁰⁰ = (i⁴)²⁵ = 1²⁵ = 1  (we know that i⁴ = 1)

Hence

S = 0

7 0
3 years ago
Find perpendicular,hypotenuse and base​
vova2212 [387]

Step-by-step explanation:

In right angled triangle ABC,

Taking alpha as reference angle,

By pythagoras theorem,

p=BC,h=AB,b=AC

Taking thita as reference angle,

p=AC,h=AB,b=BC

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8 0
3 years ago
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