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AlexFokin [52]
3 years ago
8

Help please.

Mathematics
1 answer:
klasskru [66]3 years ago
6 0
To find the common difference subtract going from right to left.
29-18 = 11
18-7 = 11
7 - -4 = 11
- 4 - - 15 = 11
d = 11
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The number of country A forces in country B decreased to approximately 34,000 in 2014 from a high of about 100,000 in 2008. The
Murrr4er [49]

Answer:

2009

Step-by-step explanation:

The question can be interpreted as:

f(x) = -1.330x^2 + 5.149x + 5.517

Required

Determine x when f(x) = 10.5

Substitute 10.5 for f(x) in f(x) = -1.330x^2 + 5.149x + 5.517

10.5 = -1.330x^2 + 5.149x + 5.517

Collect Like Terms

-1.330x^2 + 5.149x + 5.517-10.5=0

-1.330x^2 + 5.149x -4.983=0

Using quadratic formula

x = \frac{-b \± \sqrt{b^2 - 4ac}}{2a}

Where

a = -1.330

b = 5.149

c = -4.983

x = \frac{-5.149 \± \sqrt{5.149^2 - 4*-1.330*-4.983}}{2*-1.330}

x = \frac{-5.149 \± \sqrt{0.002641}}{-2.660}

x = \frac{-5.149 \± 0.0514}{-2.660}

Split:

x = \frac{-5.149 + 0.0514}{-2.660}\ or\ x = \frac{-5.149 - 0.0514}{-2.660}

x = \frac{-5.0976}{-2.660}\ or\ x = \frac{-5.2004}{-2.660}

x = 1.92\ or\ x = 1.96

Both values of x approximates to 2.

So:

x = 2

2 years after 2007 is 2009.

Hence, the funding is about $10.5 billion in 2009

4 0
3 years ago
What kind of problem is this
Anvisha [2.4K]

Answer:

24

Step-by-step explanation:

lets say x is one and y is 1.  5 times 1 is five and to the power of 2 thats 25 and minus 1 equals 24

6 0
4 years ago
Read 2 more answers
Find the shaded area
grin007 [14]

Answer:

area of big rectangle=l×b=12×18=216cm²

area of smaller square=l²=8²=64cm²

area of shaded area =area of (bigger rectangle-smaller square)=216-64=152cm²

5 0
3 years ago
Identify the 27th term of an arithmetic sequence where a1 = 38 and a17 = -74.
makkiz [27]
Arithmetic sequence:
an=a1+(n-1)d
a_{17}= a_{1}+16d

-74=38 + 16d

16d=-74-38

16d=-112
d=-112/16=-7
a_{27}=a_{1}  + 26d=38+26*(-7)=38-182=-144
Answer: D)-144
7 0
3 years ago
Find the measure of each angle
Kitty [74]

25)112*

26)68*

27)90*

28)90*

29)22*

30)158*

Answers. Brainliest in payment would be acceptable XD

4 0
4 years ago
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