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ad-work [718]
3 years ago
14

What is the inequality

Mathematics
1 answer:
prohojiy [21]3 years ago
7 0
When there not equal
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Solve This Proportion Y/23= -3/4 ​
vichka [17]

Answer:

y = -17.25

Step-by-step explanation:

y/23 = -3/<em>4</em>

<em>by</em><em> </em><em>cross</em><em> </em><em>multiplication</em><em> </em><em>❌</em><em> </em><em> </em><em>;</em><em>;</em><em>;</em>

<em>4</em><em>×</em><em>Y</em><em> </em><em>=</em><em> </em><em>23</em><em>×</em><em> </em><em>(</em><em>-3</em><em>)</em>

<em>4y</em><em> </em><em>=</em><em> </em><em>(</em><em>-69</em><em>)</em>

<em>y</em><em> </em><em>=</em><em> </em><em>-69</em><em>/</em><em>4</em>

<h3><em>y</em><em> </em><em>=</em><em> </em><em>-17.25</em></h3>

<h3><em>I</em><em> </em><em>hope</em><em> </em><em>that</em><em> </em><em>this</em><em> </em><em>answer</em><em> </em><em>helps</em><em> </em><em>you</em></h3>
6 0
3 years ago
How would you do these problems i don't understand how to do them? (Attached!)
d1i1m1o1n [39]
#9 . D    Feline = $1.30/lbs          Kitty Kibbles = $1.40/lbs
#10.B    5:6 = 30:36
3 0
3 years ago
How do you solve - 16/21 - (- 13/15)
Dennis_Churaev [7]
\bf -\cfrac{16}{21}-\left( -\cfrac{13}{15} \right)\implies -\cfrac{16}{21}+\cfrac{13}{15}\impliedby \textit{we'll use the LCD of 105}&#10;\\\\\\&#10;\cfrac{(-16\cdot 5)~+~(13\cdot 7)}{105}\implies \cfrac{-80~+~91}{105}\implies \cfrac{+11}{105}\implies \cfrac{11}{105}

in case you wonder why we used 105 as LCD,  

21 = 3 * 7

15 = 3 * 5

the "3" is common to both denominators, so we "use it once" and our LCD is then 3 * 7 * 5.
7 0
3 years ago
The first three steps in writing f(x) = 40x + 5x2 in vertex form are shown.
Ksju [112]

Use the formula (a+b)^2=a^2+2ab+b^2 for quadratic trinomial. Then you can form from a quadratic trinomial perfect square:

x^2 + 8x + 16=x^2+2\cdot x\cdot 4+4^2=(x+4)^2.

From the last given step you have that

f(x) = 5(x^2 + 8x + 16)-5\cdot 16.

Since 5·16=80, you can substitute the previous expression for perfect square into function expression and get:

f(x)=5(x+4)^2-80.

This means, when x=-4, f(-4)=-80 and vertex has coordinates (-4,-80).

Answer: correct choice is C.


4 0
4 years ago
Read 2 more answers
What is the radius for a circle whose equation is +=367
salantis [7]
You are correct the answer is a:18
3 0
2 years ago
Read 2 more answers
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