3 years ago

Given f(x) = -3x +4, solve for x when f(x) = 1.

Mathematics

2 answers:

icang [17]3 years ago

4 0

f−1(x)=2±√x+1

hope this helped:)

Vikki [24]3 years ago

3 0

Answer:

-2.5

Step-by-step explanation:

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Please help, 20 points.<br> Perimeter :)

djyliett [7]

Answer:

Step-by-step explanation:

<em>Look at the picture.</em>

The dimensions of the picture:

(42 - 2x)in × (32 -2x)in

The formula of an area of a rectangle:

A = l · w

l - length, w - width

Substitute l = (42 - 2x), w = (32 - 2x) and A = 900

(42 - 2x)(32 - 2x) = 900

8 0

3 years ago

Find center and radius<br> (x-3)^2+y^2=8

Flauer [41]

Answer:

<h2>Center: (3, 0)</h2><h2>Radius: 2√2</h2>

Step-by-step explanation:

The equation of a circle in standard form:

$(x-h)^2+(y-k)^2=r^2$

(h, k) - center

r - radius

We have the equation:

$(x-3)^2+y^2=8\to(x-3)^2+(y-0)^2=(\sqrt8)^2$

Therefore

the center: $(3,\ 0)$

the radius: $r=\sqrt8\to r=\sqrt{4\cdot2}\to r=\sqrt4\cdot\sqrt2\to r=2\sqrt2$

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3 years ago

7 cm<br> 4 cm<br> 8 cm<br> what is the area?

adell [148]

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2 years ago

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Sever21 [200]

Answer:

πr² is the area of a circle

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a high school had 740 Students at the start of the year, but than some students left the school. after that the school had 726 s

Marta_Voda [28]

S = 740 - 14.

Hope this helped.

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3 years ago