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ella [17]
3 years ago
12

Helaine graphed the equation 12 x -4y=3

Mathematics
1 answer:
koban [17]3 years ago
6 0

Answer:-0.0625

Step-by-step explanation:

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A matrix with 5 columns and 6 rows added to another matrix with 5 columns and 6
photoshop1234 [79]

Answer:

C 10 columns and 12 rows

Step-by-step explanation:

c = columns

r = rows

5c + 5c = 10c

6r + 6r = 12r

10 columns and 12 rows

The answer is C

3 0
3 years ago
Read 2 more answers
If you deposit $200 into a CD (Certificate of Deposit) with an interest rate of 1% for 3 years, how much simple interest will yo
Korvikt [17]

Answer:

$6

Step-by-step explanation:

A=P(1+i.n)

A=200(1+0.01.x 3)

A=206

Thus 206 - 200 = $6

8 0
3 years ago
Can someone please help me with this question. I just need to know the height.
Lady_Fox [76]

Step-by-step explanation:

Area of triangle = 1/2 . base . height

4 0
3 years ago
I need help again please
masya89 [10]
Distance=speed times time
distance/time=speed

distance=538
time=9 and 15mins
60mins=1hr
15/60=1/4=0.25

time=9.25hr


distance/time=538/9.25=58.162mph
about 58mph
7 0
3 years ago
Read 2 more answers
Given that A=27, B=43 and c=17, solve triangle ABC to the nearest hundredth
katrin2010 [14]
When we are given 3 sides, we try to solve the angles first by using the
law of cosines
cos (A) = [b^2 + c^2 - a^2] / (2 * b * c)
cos (A) = [43^2 + 17^2 -27^2] / (2 * 43 * 17)
cos (A) = [1,849 + 289 -729] / <span> <span> <span> 1,462
</span></span></span>cos (A) = 1,409 / 1,462
cos (A) = <span> <span> <span> 0.96374829001368
Angle A = 15.475

Now that we have one angle, we next can use the
Law of Sines
sin(B) / side b = sin(A) / side a
sin(B) = sin(A) * sideb / sidea
</span></span></span><span>sin(B) = sin(15.475) * 43 / 27
</span><span>sin(B) = 0.26682 * 43 / 27
sin (B) = </span><span>0.424935555555</span>
Angle B = 25.147 Degrees
Remember the arc sine (<span>0.424935555555) also equals </span> <span> <span> <span> 154.85

</span></span></span>Finally, calculating the third angle is quite easy
Angle C =  180 - Angle (A) - Angle(B)
Angle C =  180 - 15.475 - 154.85
Angle C =  9.675

Source:
http://www.1728.org/trigtut2.htm


6 0
3 years ago
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