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marissa [1.9K]
3 years ago
11

2X+5+2x+3x= No solution

Mathematics
1 answer:
eimsori [14]3 years ago
8 0

Answer:

12 x is the answer. please thanks and follow me.

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Help me on this please it’s due at 11:59 and i have no idea what to do
rjkz [21]
1. One value of x for f(x)=-4 would be 0.
2. Should be 3.5 and -3.5 but I'm not sure
6 0
3 years ago
Can someone help me solve (x+18)^(1/2)+2=x
____ [38]
Lets solve your equation step by step:
(x+18)^1/2+2=x
step 1:Add -2 to both sides:
(x+18)^1/2+2-2=x+-2
(x+18^)1/2=x-2
step 2:solve exponent
(x+18)^1/2=x-2
((x+18)^1/2)^2=(x-2)^2
x+18=x^2-4x+4
x+18-(x^2-4x+4)=x^2-4x+4-(x^2-4x+4) (subtract x^2-4x+4 from both sides)
-x^2+5x+14=0
(-x-2)(x-7)=0(factor left side of equation)
-x-2=0 or x-7=0 (set factors equal to zero)
x=-2 or x=7

check answers:(plug them in to make sure they work )
x=-2(doesn't work in original equation)
x=7(works in original equation)
6 0
3 years ago
Izzi's Pizza wants to offer at least 15 options for ordering 2 vegetable topping pizzas. What is the minimum
e-lub [12.9K]

Answer: 6 vegetable topping choices.

Step-by-step explanation:

If we have two toppings out of X, the number of possible combinations is:

c = \frac{x!}{(x-2)!2!}

and we want that c ≥ 15

We can do it by brute force:

Let's select x = 5 for example:

c(5) = \frac{5!}{3!*2!} = \frac{5*4}{2*1} = 5*2 = 10

So with 5 vegetable toppings we have not enough, let's see with 6.

c(6) = \frac{6!}{4!*2!} = \frac{6*5}{2} = 3*5 = 15

So with 6 options we have exactly 15 different combinations, the correct answer is 6.

8 0
3 years ago
Consider the line segment PQ with endpoints P(- 3, - 2) and Q(2, 3). Which point divides the line segment directed from P to Q i
Nikolay [14]

Answer:

(0,1) point C

Step-by-step explanation:

the line segment PQ is divided into 5 parts ( 3parts +2 parts)

Is very important that you keep the direction correct from P to Q

The point C divides the PQ into 3:2 ratio

8 0
3 years ago
Use the circle to answer the questions
sertanlavr [38]

Answer:

Part 1) The diameter is D=10.8\ cm

Part 2) The circumference is C=33.912\ cm

Step-by-step explanation:

step 1

Find the diameter

we know that

The diameter is two times the radius

D=2r

we have

r=5.4\ cm

substitute

D=2(5.4)=10.8\ cm

step 2

Find the circumference

The circumference is equal to

C=\pi D

we have

D=10.8\cm\\\pi=3.14

substitute

C=3.14(10.8)=33.912\ cm

4 0
3 years ago
Read 2 more answers
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