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bixtya [17]
3 years ago
8

Find the slope of the line through the points (4,8) and (5,10).​

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
5 0

find the slope m and y intercept b

slope is 2

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Keenan has 8 coins worth $0.70. If the coins are all dimes and nickels, how many dimes and nickels does he have?
Nookie1986 [14]
6 dimes and 2 nickels = 0.70
3 0
3 years ago
What is 54/3 in simplest form
prohojiy [21]
I got an answer of 18. 
6 0
3 years ago
Which fraction do you multiply by to simplify 5/ 4 - 3i ?
Rzqust [24]
So I assume
\frac{5}{4-3i}

If so. Let us begin.

\mathrm{Multiply\:by\:the\:conjugate}\:\frac{4+3i}{4+3i} \ \textgreater \  \frac{5\left(4+3i\right)}{\left(4-3i\right)\left(4+3i\right)} \ \textgreater \  \left(4-3i\right)\left(4+3i\right)

\mathrm{Apply\:complex\:arithmetic\:rule}:\ \left(a+bi\right)\left(a-bi\right)=a^2+b^2
Where\;a=4,\:b=-3 \ \textgreater \  4^2+\left(-3\right)^2 \ \textgreater \  Refine \ \textgreater \  25

\frac{5\left(4+3i\right)}{25} \ \textgreater \  \mathrm{Cancel\:the\:common\:factor:}\:5 \ \textgreater \  \frac{4+3i}{5}

Group\:the\:real\:part\:and\:the\:imaginary\:part\:of\:the\:complex\:number
\frac{4}{5}+\frac{3}{5}i\;is\;our\;answer!

Hope this helps!
3 0
3 years ago
When figuring out the amount of mulch would be needed for Alex's back yard, he created an equation that
soldier1979 [14.2K]

Answer:

Alex will need 14 bags

Step-by-step explanation:

B= 4(2x+7)+3(2x+7)

and

2x+7=2

First, we should solve the second equation to obtain x:

2x+7=2

2x=2-7

x= -5/2

Then, we use this answer to calculate B:

B=4(2(-5/2)+7)+3(2)

B=4(-5+7)+6

B=4(2)+6

B=8+6

B=14

Alex will need 14 bags

7 0
3 years ago
Day middle school has 24 students from the 8th grade that are in band. This is 25% of all the students in 8th grade. How many st
Volgvan

Answer:

96 in 8th grade

Step-by-step explanation:

You times 24 by four to get 96. Then to check your answer you need to do 25%96 and you will get 24 to show that you are right.

6 0
3 years ago
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