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Luda [366]
3 years ago
13

Help solve 9 = -7 -2y And show the steps

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
6 0
9 = -7-2y
9 +7=16

16/-2 -2y/-2

-8 = y

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BRAINLIST AND 50 POINST ANSWER 5-8
Nastasia [14]

Answer:

1. 64

2. 140

hope this helps :)

4 0
2 years ago
1 + 3 - (8 * 334 * 123) = x<br><br> x = ?
il63 [147K]

Answer:

if, 1 + 3 - (8 * 334 * 123) = x

then, x = -328652

8 0
3 years ago
What is the solution to x/3 = -12
Mademuasel [1]

Answer:

x = -36

Step-by-step explanation:

Just multiply both sides of the equation with 3...,which tend to give a solution of,

; x = -12(3)

; x = -36

7 0
2 years ago
Will give brainliest!!
vivado [14]

Answer:

continuous.

Step-by-step explanation:

Given function is f(x)=5x^4-9x^3+x-7.

and value of a = 7.

Now we need to find if the given function f(x)=5x^4-9x^3+x-7 is continuous or not.

By definition of continuity, we know that a function is continuous at a given point if both left and right hand limits are equal.

Left Hand Limit = LHL

LHL=\lim_{x\rightarrow 7^-}f(x)=5(7)^4-9(7)^3+(7)-7=8918


Right Hand Limit = RHL

RHL=\lim_{x\rightarrow 7^+}f(x)=5(7)^4-9(7)^3+(7)-7=8918

Since both limits are equal at a=7 so we can say that given function is continuous at a=7

4 0
3 years ago
Kristin spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15. If she bought a total of 7 then how many of each
Tpy6a [65]
Hi there!!

First, Let plain shirts be x
Let fancy shirts be y 
x + y = 7
15x + 28y = 131 
Multiply first equation by 28 to eliminate y: 
28x + 28y = 196
<span>15x + 28y = 131 
</span>Subtracting the two equations:
13x = 65
<span>x = 5 </span>
Substituting x to get y:
x + y = 7
5 + y = 7
<span>y = 2 </span>
<span>Answer: 5 plain shirts and 2 fancy shirts
</span>
Hope this helps u!!
Have an amazing rest of ur day:)))
3 0
2 years ago
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