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KonstantinChe [14]
3 years ago
8

Find the sum of the first 7 terms of the series.

Mathematics
2 answers:
Flura [38]3 years ago
7 0

Answer:

C.258

Step-by-step explanation:

6-12+24-48+96-192+384

notsponge [240]3 years ago
5 0

Answer:

option C 258 is correct

Step-by-step explanation:

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A shirt originally cost $36.24, but it is on sale for $30.80. What is the percentage decrease of the price of the shirt? If nece
KiRa [710]
To work out the decrease, do original amount - new amount and then take that answer and divide it by the original amount, and then multiply by 100.

So you would do:

36.24 - 30.80 = 5.44
5.44 ÷ 36.24 × 100 = 15% to the nearest percent.  

6 0
3 years ago
Cassandra assigns values to some of the measures of triangle ABC. If angle A measures 30°, a = 6, and b = 18, which is true?
Anna [14]

Answer:

The triangle does not exist because sin(A)/a can not be equal to sin(B)/b

Step-by-step explanation:

we know that

step 1

Find the measure of angle B

Applying the law of sines

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

we have

A=30\°

sin(30\°)=1/2

a=6\ units

b=18\ units

substitute

\frac{(1/2)}{6}=\frac{sin(B)}{18}

\frac{1}{12}=\frac{sin(B)}{18}

sin(B)=\frac{18}{12}

sin(B)=\frac{3}{2}=1.5

Remember that the value of sine can not be greater than 1

therefore

The triangle does not exist because sin(A)/a can not be equal to sin(B)/b

8 0
3 years ago
15 pts awarded and brainliest will be chosen!!!
Delvig [45]

Answer:

A. x < 6 and x > - 28

Step-by-step explanation:

We have been given the following inequality;

| x+11 | < 17

We can replace the absolute value function by re-writing the inequality as;

-17< x+11<17

subtract 11 from both sides;

-17-11<x+11-11<17-11

-28<x<6

splitting this we have;

x<6

x>-28

7 0
3 years ago
Read 2 more answers
A clinic took temperature readings of 250 flu patients over a weekend and discovered the temperature distribution to be Gaussian
yan [13]
<span>I get 0.26% for part A and 75% for part B. My work is in the attached document.</span>
Download pdf
3 0
3 years ago
Read 2 more answers
Can anybody help with this
iris [78.8K]
100 =d


your welcome lol
8 0
3 years ago
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