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zubka84 [21]
2 years ago
7

Solve the system of equations.

Mathematics
1 answer:
KatRina [158]2 years ago
5 0
Solve by Substitution
Answer:
x = -5
y = -2
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Help plz really plzz
MAXImum [283]
1. 156
2. 15.6
3. 1.56 

You just move the decimal point in depending on the number or zeros.
4 0
3 years ago
Read 2 more answers
select the irrational number? A)√9 B)√12 C)√16 D)√20 E)√25 (there should be more than one answer)
GenaCL600 [577]
The answers are:
__________________________
    [B]:  "√12 " ;   AND:
__________________________
    [D]:  "<span>√20" .
__________________________
Note:  "Irrational numbers" have decimals that are:  1) non-terminating;  AND:  2) non-repeating.
__________________________
Consider the answer choices given; and consider the given information that there "should be no more than one answer.
__________________________________
Consider the following answer choices:
__________________________________
Choice A)  "</span><span>√9"  =  3 .  Rule out this choice.
__________________________________
Choice C)  "</span><span>√16" = 4 .  Rule out this choice.
__________________________________
Choice E)  "</span><span>√25" = 5.   Rule out this choice.
_________________________________
We are left with 2 (two) remaining answer choices:
    [B]:  "</span>√12"  ;  and:  [D]:  "<span>√20" .
_________________________________
If there are more than one answer, then these two choices should be the correct answer.   However, let us explore these two choices, using a calculator.
____________________________
    [B]:  </span>"√12"  =  3.4641016151377546

    [D]:  "√20"  =  4.4721359549995794
_________________________________
These two answer choices should the correct answers.
6 0
4 years ago
For which value of a are the graphs of –4 = 3x + 6y and ax – 8y = 12 parallel?
Dimas [21]

Answer:

The answer is A) a=-4

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
375 x 22<br><br> What is the answer and how do we get it
Novay_Z [31]

Answer:

375x22= 8,250

Step-by-step explanation:

use a calculator!

5 0
2 years ago
What is 7+8(3to the second power -2
stepladder [879]
7+8*<span>3 to the second power </span>-2
7+72-2
79-2
77
7 0
3 years ago
Read 2 more answers
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