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jeka57 [31]
3 years ago
15

Find the term indicated in the expansion. (x + 2y)*; fourth term Helppppppp

Mathematics
1 answer:
maksim [4K]3 years ago
8 0

Answer:

wish that will help u

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What is the answer to this multiple choice question?
evablogger [386]

Answer:

All expressions are correct

Step-by-step explanation:

9z+7z = 16 z

We need to find an expression ( or expressions ) that are equal to 16z

6z+3z+ 7z = 16z  Correct

z+8z+7z = 16z   Correct

z*16 = 16z  Correct

21z+ -5z = 16z  Correct

6 0
3 years ago
Ritu is travelling by a car at a speed of
faltersainse [42]

Answer:

40 min is the answer

Step-by-step explanation:

To solve this we need to convert all the units into SI units

for ritu,

speed= 90km/hr

= 90 × 1km/ 1hour

= 90×1000/3600 m/s

= 25m/s

distance = 120×1000m

time = distance/ speed

= 120000/25

= 4800sec

= 4800/60min

= 80 min

for garima,

distance =120×1000m

speed = 60km/hr

= 60×1000/3600 m/s

=100/6 m/

time = 120000/(100÷6)

= 7200sec

= 7200÷60 min

= 120 min

time difference is 120-80 = 40 min

4 0
2 years ago
Find the equation for the line passing through the point (−1,1) ( − 1 , 1 ) and parallel to the line whose equation is y=2x+12.
tekilochka [14]
So, parallel lines have the same slope, therefore a parallel line to 2x+12, will have the same slope as that one, so which is it?   \bf y=\stackrel{slope}{2}x\stackrel{y-intercept}{+12}

so, we're really looking for the equation of a line whose slope is 2, and runs through -1,1.

\bf \begin{array}{lllll}
&x_1&y_1\\
%   (a,b)
&({{ -1}}\quad ,&{{ 1}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 2
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-1=2[x-(-1)]
\\\\\\
y-1=2(x+1)\implies y-1=2x+2\implies y=2x+3
7 0
3 years ago
Andrea earns 10 points for every word she spells correctly on a quiz which equation can be used to find p, the total number of p
iren [92.7K]

Answer:

P = 10w

Step-by-step explanation:

Number of point per correct spelling = 10

Number of words spelt correctly = w

Total points, p

P = (number of points per correct spelling * number of words spelt correctly)

P = 10 * w

P = 10w

5 0
3 years ago
Rebecca is climbing up a 500-foot cliff. By 1:00 P.M., she has
LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

(290 ft - 125 ft)/(3 hours) = (165 ft)/(3 hours) = 55 ft/hour

3 0
3 years ago
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