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Jade needs $45 to go on a field trip. He has saved $15.25. He earns $6.50 per hour cleaning his neighbor's garden, and he earns

myrzilka [38]

So 6.50•2=13.00.

And 5.25•3=15.76. So add the 13.00 ,15.75 and the 15.25 and you get 44.00 so no he's a dollar short

7 0

3 years ago

A box contains five slips of paper, marked $1, $1, $10, $25, and $25. The winner of a contest selects two slips of paper at rand

gladu [14]

Answer:

A random variable is a variable whose values are unknown. Random variable are mostly used in regression analysis to determine the statistical relationship between two entities.

Step-by-step explanation:

There are two types of random variable;

1. The discrete random variable and

2. The continuous random variable.

5 0

3 years ago

Meg rowed her boat upstream a distance of 45 mi and then rowed back to the starting point. The total time of the trip was 14 hou

Montano1993 [528]

Recall your d = rt.

so hmm is about the same as the other one... so say the boat has a speed rate of "b", well, going downstream the boat goes say " b + 2 ", because the current is adding to it, and going upstream is " b - 2 " because the current is eroding from it.

So if the whole trip took 14 hours, say it took "t" hours going upstream, then going downstream it took the slack or " 14 - t ".

Also notice, the trip forth and back is the same 45 miles.

$\bf \begin{array}{lccclll}
&\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\
&------&------&------\\
Upstream&45&b-2&t\\
Downstream&45&b+2&14-t
\end{array}
\\\\\\
\begin{cases}
45=t(b-2)\implies \frac{45}{b-2}=\boxed{t}\\\\
45=(b+2)(14-t)\\
----------\\
45=(b+2)\left( 14- \boxed{\frac{45}{b-2}}\right)
\end{cases}
\\\\\\
\cfrac{45}{b+2}=14- {\cfrac{45}{b-2}}\implies \cfrac{45}{b+2}=\cfrac{14(b-2)~-~45}{b-2}$

$\bf \cfrac{45}{b+2}=\cfrac{14b-28-45}{b-2}\implies \cfrac{45}{b+2}=\cfrac{14b-73}{b-2}
\\\\\\
45(b-2)=(b+2)(14b-73)\implies 45b-90=14b^2-45b-146
\\\\\\
0=14b^2-90b-56\implies 0=7b^2-45b-28
\\\\\\
0=(7b+4)(b-7)\implies b=
\begin{cases}
-\frac{4}{7}\\\\
\boxed{7}
\end{cases}$

6 0

3 years ago

6. Write the equation for the two functions and

Nostrana [21]

Answer:

the photo is blank for me

Step-by-step explanation:

6 0

3 years ago

(04.02 LC) Rectangle HIJK is dilated to form rectangle TUVW. What corresponding side is proportional to segment JK? Type the ans

8090 [49]

Answer: segment JK is proportional to VW

Step-by-step explanation:

Given: Rectangle HIJK is dilated to form rectangle TUVW.

We know that if a shape is dilated to form a new image, then it will be similar to the original shape.

Therefore, Rectangle HIJK is similar to rectangle TUVW.

Also the criteria of similar shapes says that the corresponding sides of the similar shapes are proportional.

⇒ segment HI is proportional to TU

segment IJ is proportional to UV

segment JK is proportional to VW

segment HK is proportional to TW.

5 0

3 years ago

Please HELP me I beg you!!!!!NO LINKS!!!!!!!!and THANK YOU.