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Digiron [165]
3 years ago
11

Help ill mark brainliest

Mathematics
1 answer:
grin007 [14]3 years ago
4 0

Answer:

I think it b

Step-by-step explanation:

I had to ADD 4.2+3

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Chris runs 6 miles in 50 minutes. At the same rate, how many miles would he run in 35 minutes?
Nataly_w [17]
You could either find how far Chris can run in 60 minutes, or write an equation of ratios:

    x            35 min
--------- = --------------
 6 mi          50 min

Solving for x:  50x = 210;     x = 4.2 miles (answer)
4 0
4 years ago
Y=x^2-2x-19 <br> y+4x=5<br><br> solution set system of equation is (-6,29) and ______.
Blababa [14]
Hello : 
<span>Y=x²-2x-19 ...(1)
y+4x=5.....(2)
by (2) : y = 5-4x    ....(*)
subsct in (1) : 5-4x</span>=x²-2x-19
x²+2x-24 =0 
<span>Δ = 2²-4(1)(-24) = 100=10²
x1 = (-2-10)/2 =-6
x2= (-2+10)/2=4
if : x =-6 by(*) : y= 5-4(-6)=29
if x= 4 y = 5-4(4)=-11
</span><span>solution set system of equation is (-6,29) and (4,-11)______.</span>
6 0
3 years ago
I am a number between 60 and 100 my ones digit is two less than my tens digit i am a prime number what is my number ?
Aloiza [94]
Our prime number is 79 
7 0
3 years ago
In the book Essentials of Marketing Research, William R. Dillon, Thomas J. Madden, and Neil H. Firtle discuss a research proposa
Ratling [72]

Answer:

The null hypothesis is given as H_o : p_1-p_2=0 while the alternate hypothesis is H_A: p_1-p_2\neq 0

Step-by-step explanation:

As per the the given data

p1=Proportion of Homeowners who would buy the security system

p2=Proportion of Renters who would buy the security system

As the null hypothesis states that there is no difference in the test thus it is given as

H_o : p_1-p_2=0

This states that there is no difference between the probabilities of the homeowners buying the security system and the renters buying the security system.

The Alternative hypothesis is the other possibility of the null hypothesis. i.e It negates the null Hypothesis and is given as

H_A: p_1-p_2\neq 0

3 0
4 years ago
Arturo builds a cube that measures 5 in on each side. What is the volume of Arturo's cube?
crimeas [40]
We know that

[volume of a cube]=b³
where 
b------> is a side length of a cube
for b=5 in
[volume of a cube]=5³--------> 125 in³

the answer is 125 in³
6 0
3 years ago
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