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Tresset [83]
3 years ago
14

Someone help PLEASE thanks

Mathematics
1 answer:
PtichkaEL [24]3 years ago
8 0

Answer:

Utiliza la regla

Step-by-step explanation:

Y te sacarasb10

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Please help asap 30 pts
motikmotik

Answer:

20 or D.

Step-by-step explanation:

You simply plug in the values given for a and b:

4(5)+7(-3)+3(5)-2(-3) = 20-21+15+6=20

So, your answer is 20.

5 0
3 years ago
Read 2 more answers
Complete the square to the problem X^2+6x-16=0
marishachu [46]

Answer:

<h2>x = -8 or x = 2</h2>

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\-------------------------------\\\\x^2+6x-16=0\qquad\text{add 16 to both sides}\\\\x^2+6x=16\\\\x^2+2(x)(3)=16\qquad\text{add}\ 3^2\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=16+3^2\\\\(x+3)^2=16+9\\\\(x+3)^2=25\Rightarrow x+3=\pm\sqrt{25}\\\\x+3=-5\ \vee\ x+3=5\qquad\text{subtract 3 from both sides}\\\\\boxed{x=-8\ \vee\ x=2}

3 0
3 years ago
-5(4b+ 7) = distributive property
vova2212 [387]

Answer:

-20b-35

Step-by-step explanation:

8 0
2 years ago
What's is jiri's age ? <br> Pamela is 5 years younger than jiri. The sum of their ages is 37
Mars2501 [29]
If Jiri is x, Pamela is x -5, and tehri ages combined would be 35 so;
x + x-5 = 35
collect the like terms
2x-5 = 35
add five to both sides
2x= 40
divide both sides by 2
x=20
Jiri's age is 20
6 0
3 years ago
M=2 , (6,6) <br> Write the equation in the form Ax+By=C.
Karolina [17]
Since m= slope =2, slope is rise/run, or (y2-y1)/(x2-x1), we'll make the point (6,6) = (x1,y1)
In point-slope form, y-y1 = m (x-x1) -->
y-6 = 2 (x-6)
y-6 = 2x-12
+6 = +6
y = 2x-6
-2x = -2x
-2x+y = -6
7 0
3 years ago
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