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Solnce55 [7]
3 years ago
14

PLEASE HELPP I CANT MISS ANYMORE ILL MARK YOU THE BRAINLIEST. HELP ASAP

Mathematics
1 answer:
Dmitry [639]3 years ago
3 0

Answer:

2nd

Step-by-step explanatiogjhkghjkgjhn:gyj

no idea how to expain

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What is the next term of the following sequence? <br><br><br> 20, 10, 5, 21/2, ...
ycow [4]

Answer:

1 \frac{1}{4}

Step-by-step explanation:

Note there is a common ratio between consecutive terms, that is

10 ÷ 20 = 5 ÷ 10 = 2 \frac{1}{2} ÷ 5 = \frac{1}{2}

Thus to obtain the next term in the sequence multiply the previous term by \frac{1}{2}

2 \frac{1}{2} × \frac{1}{2} = 1 \frac{1}{4}

6 0
3 years ago
Solve the following equation. Then place the correct number in the box provided. 3x/7-2=15
seraphim [82]
3x/7-2=15

3x/7 = 17

3x = 119

x = 39.67
5 0
3 years ago
Consider the two expressions 4b(b+1) and (2b+7)(2b-8). Compare their values if b=-3, b=-2, and if b=10. Is it true that for an v
noname [10]

Answer:

If b=-3 then the first expression is equal to 24 and the second expression is equal to -14.

If b=-2 then the first expression is equal to 8 and the second expression is equal to -36.

If b=10 then the first expression is equal to 440 and the second expression is equal to 324.

Yes, it is true.

Step-by-step explanation:

b=-3:

4b(b+1)=4(-3)(-3+1)=-12(-2)=24

(2b+7)(2b-8)=(2(-3)+7)(2(-3)-8)=(-6+7)(-6-8)=1(-14)=-14

b=-2:

4b(b+1)=4(-2)(-2+1)=-8(-1)=8

(2b+7)(2b-8)=(2(-2)+7)(2(-2)-8)=(-4+7)(-4-8)=3(-12)=-36

b=10:

4b(b+1)=4(10)(10+1)=40(11)=440

(2b+7)(2b-8)=(2(10)+7)(2(10)-8)=(20+7)(20-8)=27(12)=324

8 0
3 years ago
Given that ∠2 ≅ ∠6.
insens350 [35]

Answer:

Converse of the alternate exterior angle theorem

Step-by-step explanation:

just took the test ;)

3 0
3 years ago
Read 2 more answers
Select the correct answer. Which sentence correctly describes a data set that follows a normal distribution with a standard devi
Artyom0805 [142]

Answer: Option (c) is correct.

68% of the data points lie between 10 and 18.

Step-by-step explanation: Given :  a normal distribution with a standard deviation of 4 and a mean of 14

We have to choose the  sentence that correctly describes a data set that follows a normal distribution with a standard deviation of 4 and a mean of 14.

Since, given 68% data.

We know mean of data lies in middle.

And standard deviation is distribute equally about the mean that is 50% of values less than the mean  and 50% greater than the mean.

So, 68% of data lies

mean - standard deviation = 14 - 4 = 10

mean + standard deviation = 14 + 4 = 18

So, 68% of the data points lie between 10 and 18.

5 0
2 years ago
Read 2 more answers
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