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Ber [7]
3 years ago
14

Simplify the expression x2tx-x-5-xt7

Mathematics
1 answer:
Gnesinka [82]3 years ago
4 0
x*2tx-x-5-xt*7  \text{Expression} 

\text{Apply Product Rule:} \  {x}^{a}{x}^{b}={x}^{a+b}
 

x^2*2t-x-5-xt*7  

2x^2t-x-5-xt*7
  \text{Regroup terms} 

2x^2t-x-5-7xt&#10;    <span>\text{Regroup terms} </span>
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Solve this equation with ÷, ×, -, or +.<br> 18 _ 2 × 4 = 26
Olenka [21]

Answer:

+

Step-by-step explanation:

b/c

18+2×4

18+8

26

hope it's helpful ❤❤❤

THANK YOU.

7 0
3 years ago
Given ao=-3 and an=2a,-1+1, find a4
sweet [91]

Answer:

8

Step-by-step explanation:

if you wrote out A(n) correctly than the answer is 8

8 0
3 years ago
Question attached plz answer
Bezzdna [24]

Answer:

x = - 2.5

Step-by-step explanation:

Given that the sketch represents

y = x² + bx + c

The graph crosses the y- axis at (0 , - 14), thus c = - 14

y = x² + bx - 14

Given the graph crosses the x- axis at (2, 0), then

0 = 2² + 2b - 14

0 = 4 + 2b - 14 = 2b - 10 ( add 10 to both sides )

10 = 2b ( divide both sides by 2 )

b = 5

y = x² + 5x - 14 ← represents the graph

let y = 0 , then

x² + 5x - 14 = 0 ← in standard form

(x + 7)(x - 2) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 7 = 0 ⇒ x = - 7

x - 2 = 0 ⇒ x = 2

The x- intercepts are x = - 7 and x = 2

The vertex lies on the axis of symmetry which is midway between the x- intercepts, thus

the x- coordinate of the turning point is \frac{-7+2}{2} = \frac{-5}{2} = - 2.5

8 0
3 years ago
Please help me asap have a great day
GREYUIT [131]

Answer:

C, 15

Step-by-step explanation:

i looked it up

5 0
3 years ago
( 18points)Help!!!
Mars2501 [29]

Answer:

It's indeed A. Yet I think of reporting multiple same questions as spam and nonsense titles.

but nah, I won't, would be kinda focused on the toxic part then :D

8 0
2 years ago
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