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lianna [129]
2 years ago
12

CAN SOMEONE HELP ME WITH 5x-5=9(x-5)

Mathematics
1 answer:
vazorg [7]2 years ago
4 0

Answer:

x= 10

Step-by-step explanation:

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I don’t know how to do this I am very bad at math
maw [93]

Answer:

Surface area= 7.5

Step-by-step explanation:

The area of a triangle is b*h/2. so if you fill in the numbers your equation would be 5*3/2. 5*3=15 and 15/2=7.5

hope this helps!!

5 0
3 years ago
Axis of symmetry: x=4; points: (3,-2), (6,-26); opening downward
Andru [333]
Vertex form is
y=a(x-h)^2+k
vertex is (h,k)
axis of symmetry is x=4, therfor h=4
y=a(x-4)^2+k

we have some points
(3,-2) and (6,-26)
input and solve for a and k

(3,-2)
-2=a(3-4)^2+k
-2=a(-1)^2+k
-2=a(1)+k
-2=a+k

(6,-26)
-26=a(6-4)^2+k
-26=a(2)^2+k
-26=a(4)+k
-26=4a+k

we have

-2=a+k
-26=4a+k
multiply first equation by -1 and add to second

2=-a-k
<u>-26=4a+k +</u>
-24=3a+0k

-24=3a
divide both sides by 3
-8=a

-2=a+k
-2=-8+k
add 8 to both sides
6=k

the equation is
y=-8(x-4)^2+6
3 0
3 years ago
!!!PLEASE HELP I'LL GIVE BRAINLIEST AND 30 POINTS!!!
zepelin [54]

If two events are independent, then P(A and B) = P(A) x P(B).

In your situation, you need to solve 0.185 = 0.25 x P(B).

Can you take it from there?

8 0
3 years ago
What are the solutions of x^2+10x+21=0?
Luden [163]
(x+7)(x+3) so therefore you set each equation = 0...
x + 7 = 0
x + 3= 0
and solve
x = -3
x = -7
6 0
3 years ago
Read 2 more answers
How do u solve for x please and thank you!! Need ASAP
gavmur [86]

Answer:

Step-by-step explanation:

both sides are the same length so 20+6x+3=18+7x+2

all you have to do is get the variables and non-variables on opposite sides of the equation so 3=x

5 0
3 years ago
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