All categories

3 years ago

58.15 If f(x) = 5x + 40, what is f(x) when x = -5?

Mathematics

1 answer:

Ket [755]3 years ago

7 0

Answer:

Step-by-step explanation:

if you put x=-15

f(x) = 5*-5 +40

=-25+40

=15

You might be interested in

Please help solve -2x - 4 - 7 = - 3x - 15

valentina_108 [34]

Answer:

x = -4

Step-by-step explanation:

-2x-11=-3x-15

x - 11 = -15

x = -4

8 0

3 years ago

If it takes 9 1/2 bags of sand to fill 2 1/2 sandboxes how much sand does it take to fill one sandbox

Bumek [7]

Hello.

It takes 3 4/5 bags of sand to fill in one sandbox.

Hope it helps you :)

3 0

4 years ago

Read 2 more answers

Find the values of x when y=1

kirill [66]

Answer:

$x=1+\sqrt{5}, 1-\sqrt{5}$

Step-by-step explanation:

$x^{2} -2x-4=0$
$(x-1)^{2} -1-4=0$
$(x-1)^{2} -5=0$
$(x-1)^{2} =5$
$x-1=\sqrt{5} ,-\sqrt{5}$
$x=1+\sqrt{5} , 1-\sqrt{5}$

FINAL ANSWER

$x=1+\sqrt{5} , 1-\sqrt{5}$

In Decimal Form (Rounded to 3 significant figures)

x≈-1.24, 3.24

6 0

4 years ago

Read 2 more answers

Can someone please help

kicyunya [14]

Answer:

hardd sorry

Step-by-step explanation:>..

7 0

3 years ago

Find the slope of the line through the points (-4, 3) and (3, 5)

lukranit [14]

Use the formula y2 -y1/x2-x1

3 0

3 years ago

Read 2 more answers