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soldi70 [24.7K]
3 years ago
9

Please help ASAP! :) Thanks!

Mathematics
2 answers:
IceJOKER [234]3 years ago
6 0
D=1/2 Y=-1.41 i got mad skills
ValentinkaMS [17]3 years ago
5 0
5/6=1/3+(3/6). 3/6 is the correct answer
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Solve the inequality algebraically. Write the solution in interval notation.<br> |9x + 10| &lt; 15
viva [34]

The given inequality is

| 9x+ 10 |

First we need to remove the absolute sign , and when we do so , we will get a compound inequality, that is

-15< 9x+10 < 15

To solve for x, first we need to get rid of 10. and for that, we have to do subtraction

-15-10

Now we need to get rid of 9, and for that, we do division

\frac{-25}{9}< x< \frac{5}{9}

So the required solution is

( \frac{-25}{9} , \frac{5}{9})

5 0
3 years ago
5x+y=-10 4x-7y=-8 Substition Method (Show it step by step please!)
Fynjy0 [20]

\left\{\begin{array}{ccc}5x+y=-10&|\text{subtract 5x from both sides}\\4x-7y=-8\end{array}\right\\\left\{\begin{array}{ccc}y=-5x-10&|\text{substitute to the second equation}\\4x-7y=-8\end{array}\right\\\\4x-7(-5x-10)=-8\qquad\text{use distributive property}\\\\4x+(-7)(-5x)+(-7)(-10)=-8\\\\4x+35x+70=-8\qquad\text{subtract 70 from both sides}\\\\39x=-78\qquad\text{divide both sides by 39}\\\\\boxed{x=-2}\\\\\text{Put the value of x to the first equation}\\\\y=-5(-2)-10\\\\y=10-10\\\\\boxed{y=0}

Answer:\ \boxed{x=-2\ and\ y=0}

3 0
3 years ago
Read 2 more answers
Find the value of x that makes this equation true, just write a number for your answer. Use / for writing fractions
Tcecarenko [31]

Answer:

1/15

Step-by-step explanation:

The first thing to do is to change both denominators so that they're the same. In this case, that would be 15.

Then, whatever you do to the denominator, you must also do to the numerator.

\frac{9}{15} + x = \frac{10}{15}

X = 1/15

6 0
3 years ago
Read 2 more answers
How do I solve x/4 =5
SSSSS [86.1K]
The answer to that question is x=20
4 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%28-3x%5E2y%29%5E%7B4%7D" id="TexFormula1" title="(-3x^2y)^{4}" alt="(-3x^2y)^{4}" align="absm
Valentin [98]

Answer:

errr polynomials ahaha

so basically we can multiply the power outside of the parantheses with the exponents on the inside:

so

-3x^{2*4} y^{1*4}

this will give us:

-3x^8y^4

we also unfortunately, have to use the power on the coefficient -3 as well  and we cant just MULTIPLY -3 by 4, we are going to have to multiply -3 with -3 4 TIMES(anytime we see a coefficient we MUST multiply the coefficient by itself according to the number outside of the parantheses)

so:

-3*-3*-3*-3=81

final expression

81x^{8}y^{4}

5 0
3 years ago
Read 2 more answers
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