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Nutka1998 [239]
3 years ago
8

Given the argument: Q / M v-Q // M M .Q This argument is: Valid or Invalid

Mathematics
1 answer:
Sliva [168]3 years ago
4 0
The answer is invalid
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Solve this 2-step Equation <br> 5=4a-7
katen-ka-za [31]

Answer:

a=3

Step-by-step explanation:

5=4a-7

add 7 on both sides

5+7=4a(-7+7)

12=4a

Now divide 4 on both sides

a= 3

PLEASE GIVE BRAINLISET

7 0
3 years ago
Answer must be in fraction form. thanks
tatuchka [14]
23 and 1/4 or 93/4 explanation: 2.5 x 3 for 1 mile u get 7.5 then multiply by 3.1
7 0
2 years ago
What is the value of x2+9x+20 when x could be -5, -3 or -6
ANTONII [103]

Answer:

Step-by-step explanation:

You should use a ^ to indicate an exponent. x^2 is the same as x².

x² + 9x + 20

Replace the x with (-5).

(-5)² + 9(-5) + 20 = 25-45+20 = 0

Then do the same with x = (-3):

(-3)² + 9(-3) + 20 = 9 - 27 + 20 = 2

You can do x = (-6)

3 0
3 years ago
Can someone help with these two PLZ.
Alexandra [31]

Answer:

5. 76

6. 24

Step-by-step explanation:

5.

x + x = 152

2x = 152

x = 76

6.

2x + 3x = 120

5x = 120

x = 24

7 0
3 years ago
Find a8 in the arithmetic sequence with a1=-7 and d=0.5
gavmur [86]
\bf n^{th}\textit{ term of an arithmetic sequence}\\\\&#10;a_n=a_1+(n-1)d\qquad &#10;\begin{cases}&#10;n=n^{th}\ term\\&#10;a_1=\textit{first term's value}\\&#10;d=\textit{common difference}\\&#10;----------\\&#10;a_1=-7\\&#10;d=0.5\\&#10;n=8&#10;\end{cases}&#10;\\\\\\&#10;a_8=a_1+(8-1)d\implies a_8=-7+(8-1)(0.5)

and surely you know how much that is.
3 0
3 years ago
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