1 year ago

Find x if f(x)=2x+7 and f(x)=-1

Mathematics

1 answer:

Natalija [7]1 year ago

7 0

Answer:

$x = -4$

Step-by-step explanation:

$~~~~~~f(x) = -1\\\\\implies 2x +7 = -1\\\\\implies 2x = -1 - 7\\\\\implies 2x = -8 \\\\\implies x = -\dfrac 82 \\\\\implies x = -4$

You might be interested in

Express 10500 in term if it's prime factor

Shkiper50 [21]

2 | 10500
2 ! 5250
3 | 2625
5 | 875
5 | 175
5 | 35
7
The prime factors are 2*2*3*5*5*5*7 or 2^2*3*5^3*7

3 0

3 years ago

point X is located at (2,-6), and point Z is located at (0,5). find the value for the point Y that is located 1/5 the distance f

HACTEHA [7]

Let point is(x,y)
x=(2-0)/5=2/5
y=(-6-5)/5=-11/5
(2/5,-11/5)

8 0

3 years ago

Which inequality has no solution?<br> 6(x+2) > x-3<br> 3+4x2(1+ 2x)<br> -2(x+6) X-9 <3(x-3)

Juli2301 [7.4K]

Answer:

$6(x + 2) > x - 3$

$6x + 12 > x - 3$

$6x - x > - 12 - 3$

$5x > - 9$

$3 + 4 \times 2(1 + 2x)$

$3 + 8(1 + 2x)$

$3 + 8 + 16x$

$11 + 16x$

$- 2(x + 6)x - 9 < 3(x - 3)$

$- 2( {x}^{2} + 6x) - 9 < 3x - 9$

$- 2 {x}^{2} - 12x - 9 < 3x - 9$

5 0

3 years ago

3/7 of which is 2 1/14

GarryVolchara [31]

Step-by-step explanation:

the answer is 14

3/7 • 2 1/14

=14

5 0

3 years ago

The probability that Ismael makes a basket is 7/10. If he shoots 100 baskets, how many can he expect to make?

sdas [7]

Answer:

70 baskets

Step-by-step explanation:

Let b be the number of baskets he will make if he shoots 100 baskets.

$\frac{7}{10} =\frac{b}{100} \\700=10b (now divide by 10 from both sides)\\$

7 0

3 years ago