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allochka39001 [22]
3 years ago
12

I don’t know how to do this

Mathematics
1 answer:
Xelga [282]3 years ago
8 0
Me neither. hope you have a fantastic rest of your day sir
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Y−3=2(x+1) <br><br> Find The Value of -1
murzikaleks [220]

Answer:

3

Step-by-step explanation:

I'm assuming you're saying the value of x is -1?

y-3=2(-1+1)

y-3=2(0)

y-3=0

y=3

3 0
3 years ago
Fined the missing angle for the triangle. Angle 1=72 Degrees. Angle 2 =74Degrees. Angle 3 = ???Degrees
gulaghasi [49]
72 + 74 is 146.
The angle sum of a triangle is 180.
180 - 146 is 34.
8 0
3 years ago
Read 2 more answers
a teacher is experimenting with computer- based instruction. In which situation could the teacher use a hypothesis test for a di
Ilia_Sergeevich [38]

Answer:

(i) She gives each student a pretest. Then she teaches a lesson using a computer program. Afterwards, she gives each student a posttest. The teacher wants to see if the difference in scores will show an improvement.

Step-by- Step

The situation is a case of matched or paired samples since the samples are dependent. The two measurements are drawn from the same pair of individuals The parameter that is tested using matched pairs is the population mean and this is what teacher intends to use a hypothesis test for.

8 0
3 years ago
-3/7 is equivalent to what other fraction
liubo4ka [24]

Answer:

Step-by-step explanation:

6/14 = -9/21 = -12/28 = -15/35 = -18/42 = -21/49 = -24/56 = -27/63 = -30/70 = -33/77 = -36/84 = -39/91 = -42/98 = -45/105 = -48/112

6 0
3 years ago
B<br> [2 0]<br> -2 5<br> What is the determinant of B?<br> Your answer
Marianna [84]

Answer:

10

Step-by-step explanation:

Determinant = ad - bc

\det\begin{pmatrix} 2 & 0 \\-2 & 5\end{pmatrix} =\begin{vmatrix} 2 & 0 \\-2 & 5\end{vmatrix} = 2\times5 + 0\times2 = 10

8 0
3 years ago
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