3 years ago

Help quick please math

Mathematics

2 answers:

zalisa [80]3 years ago

6 0

9 I think cus 9 times a is 48

amm18123 years ago

4 0

Answer:

I think is 9 in

Step-by-step explanation:
because is the line in the middle is 8 in them the B is 9

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There has been a trend toward less driving in the last few years, especially by young people. From 2001 to 2009 the annual vehic

rodikova [14]

Answer: 1537.

Step-by-step explanation:

Formula for sample size :-

$n=(\dfrac{z_{\alpha/2}\cdot \sigma}{E})^2$

Given : $\sigma=2000$

Margin of error : E= 100

Critical value of 95% confidence : $z_{\alpha/2}=1.96$

Now, the required sample size will be :-

$n=(\dfrac{1.96\cdot 2000}{100})^2\\\\=1536.64\approx1537$

Hence, the minimum sample size required = 1537.

3 0

4 years ago

Find the least common denominator.

GarryVolchara [31]

Answer:

8×2=16

Step-by-step explanation:

4×2 simple 8 so the answer is 8×8 which is 64

4 0

3 years ago

Students rented buses and vans to go to a hockey game. There were 8 vans and 12 buses for 360 students.

scoundrel [369]

Answer:

A: 8v+12b=360

V= van

B= Bus

B: Each van=9

Need to ride in vans:72

Step-by-step explanation:

12 buses 24 in each bus that equals 288. 360-288=72

and if you need to know how many are in each van you divide 72 by the number of vans that would be 9 per van.

8 0

3 years ago

Que nùmero multiplicado por 9,000=1,800,000

ss7ja [257]

Answer:

200

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Given ƒ(x) = −3x + 21, find x when ƒ(x) = 6. A) −2 B) 3 C) 5 D) 7

vagabundo [1.1K]

Answer:

x = 5

Step-by-step explanation:

We have,

$f(x) = -3x + 21$ .....(1)

It is required to find x when the value of f(x) = 6

Put f(x) = 6 in equation (1) such that we get :

$6 = -3x + 21\\\\3x=21-6\\\\3x=15\\\\x=5$

The value of x is 5 if f(x) = 6.

7 0

3 years ago