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Levart [38]
3 years ago
13

Part B A different student claims that the expression 59.2xy is equivalent to the teacher’s expression. The student’s reasoning

is below. The expression 59.2xy is equivalent to the teacher’s expression because both expressions have the same value when x = 1 and y = 1. This means that the two expressions are equivalent. ● Explain which part of the student’s reasoning is correct. ● Explain which part of the student’s reasoning is incorrect. ● Give an example using different values for x and y to support your answer. Write your answer and explanation below.
Mathematics
1 answer:
nadya68 [22]3 years ago
8 0

Answer:

I think the part he has correct is when they are equal because they intersect at a coordinate, but, he is incorrect because the teacher's expression could be different

Step-by-step explanation:

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2 square5 + 5 square5
lora16 [44]

Answer:

=2^5+5^5

=32+3125

=3157

3 0
3 years ago
(1/4)^3z-1 =16^z+2*64^z-2<br><br> Z=___<br><br> Please help
wariber [46]

Answer:

Z = 0.198877274

Step-by-step explanation:

(\frac{1}{4})^{3z-1} = 16^z + 2*16^{z-2}\\4^{1-3z} = 4^{2z} + 4^{\frac{1}{2}}*4^{2z-4}\\4^{1-3z} = 4^{2z} + 4^{2z-4+\frac{1}{2}}\\4^{1-3z} = 4^{2z} + 4^{2z-\frac{7}{2}}\\4^{1-3z} = 4^{2z} *(1+ 4^{-\frac{7}{2}})\\4^{1-3z} = 4^{2z} *(1+ 2^{-7})\\4^{1-3z} = 4^{2z} *(1+ \frac{1}{128} )\\4^{1-3z} = 4^{2z} *(\frac{129}{128} )\\Taking\;\; Logarithm\;\; with\;\; base\;\; 4\\Log_4(4^{1-3z}) = Log_4(4^{2z}) + Log_4(\frac{129}{128})\\1-3z = 2z + 0.005613627712 \\5z = 0.994386372\\z = 0.198877274

Hence, the value of Z = 0.198877274

8 0
3 years ago
Read 2 more answers
What is the value of x if:<br> -0.1x + 3/10 = 4/10<br> Solve as linear equation.<br> NEED HELP ASAP
Anika [276]

Answer:

x= -1

Step-by-step explanation:

Solving through linear equation,

-0.1x + 3/10= 4/10

Bring 3/10 to the other side making it minus

-0.1x = 4/10 - 3/10

-0.1x = (4-3)/10

-0.1x= 1/10

Bring -0.1 to the other side n divide

x= 1/10 ÷ -0.1

( Note that -0.1 is the same as -1/10)

x = 1/10 ÷ -1/10

= 1/10*-10/1

= -10/10

= -1

3 0
3 years ago
What is the measure of arc WYZ?<br> ----------<br><br> 231<br><br> 255<br><br> 200<br><br> 168
Nataly_w [17]

9514 1404 393

Answer:

  (a)  231°

Step-by-step explanation:

  arc WYZ = arc WX + arc XYZ

  arc WYZ = 51° +180° . . . . . XZ is a diameter, substitute known arc measures

  arc WYZ = 231°

7 0
3 years ago
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