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Zanzabum
2 years ago
11

. put these numbers in order, from least to greatest. if you get stuck, consider using a number line. 3.5 -1 4.8 -1.5 -0.5 -4.2

0.5 -2.1 -3.5 2. write two numbers that are opposites and each more than 6 units away from 0.
Mathematics
1 answer:
luda_lava [24]2 years ago
7 0
-4.2, -3.5,-2.1,-1.5,-1,-0.5,0.5,2,3.5,4.8
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A circle has a radius of 119.3 mm what is the circumference of this circle use the 3.14 for pi round your final answer to the ne
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The answer 749.6 is the answer
6 0
3 years ago
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation
Alexxx [7]
Ok

y=-0.04x^2+8.3x+4.3
when the rocket reaches the ground (when height=0, ie when y=0), then the rocket will land, find the x coordinate

set y=0
0=-0.04x^2+8.3x+4.3
use quadratic formula
if you have ax^2+bx+c=0, then
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}
a=-0.04
b=8.3
c=4.3
x=\frac{-8.3+/- \sqrt{8.3^{2}-4(-0.04)(8.3)} }{2(-0.04)}
x=208.017 or -0.516785
xrepresents horizontal distance
you cannot have a negative horizontal distance unless you fired and theh wind blew it backwards
therefor x=280.017 is the answer
208.02 m


7 0
3 years ago
What is the pattern of 1.1, 2.2, 3.3, 4.4
Tanya [424]
It is adding one little percentage of increase here. or, 1.1 each time....hope that this helps.
5 0
3 years ago
Read 2 more answers
7/8x=42<br><br> What is the value of x?
Artist 52 [7]
\frac{7}{8}*x=42 \\ \\x=42: \frac{7}{8} \\ \\ x=42*  \frac{8}{7} \\ \\ x= \frac{336}{7} \\ \\ \boxed{x=48}
3 0
3 years ago
1. The US Mint has a specification that pennies have a mean weight of 2.5g. From a sample of 37 pennies, the mean weight is foun
Evgesh-ka [11]

Answer:

the pennies does not conform to the US mints specification

Step-by-step explanation:

z = (variate -mean)/ standard deviation

z= 2.5 - 2.4991 / 0.01648 = 0.0546

we are going to check the value of z in the normal distribution table, which is the table bounded by z.

checking for z= 0.0 under 55 gives 0.0219 (value gotten from the table of normal distribution)

we subtract the value of z from 0.5 (1- (0.5+0.0219)) = 0.4781 > 0.05claim

since 0.4781 > 0.05claim, therefore, the pennies does not conform to the US mints specification

the claim state a 5% significance level whereas the calculated significance level is 47.81%. therefore, the claim should be rejected

7 0
3 years ago
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