All categories

3 years ago

The length of a picture frame is 7 inches more than the width. For what

Mathematics

2 answers:

patriot [66]3 years ago

6 0

Answer:

The answer is x>34

Step-by-step explanation:

I tried there way it came out wrong.

grandymaker [24]3 years ago

5 0

Answer:

x > 36

Step-by-step explanation:

158 < 2x + 2(x+7)

158 < 2x + 2x + 14

144 <4x

x > 36

You might be interested in

a builder has built 1/6 of the floors of a new skyscraper.if the builder has built 13 floors,how many floors will the skyscraper

madam [21]

You do 13 times 6

this equals, 78 floors

3 0

3 years ago

Elementary math! please help Mark brainlist

algol [13]

Answer: 1 minute and 43 seconds faster

Step-by-step explanation:

4 0

3 years ago

Find the derivative of f(x) = (1 + 6x2)(x − x2) in two ways.

ipn [44]

Using product rule;

f(x)=(1+6x²)(x-x²)

f'(x)=(12x)(x-x²) + (1-2x)(1+6x²) = 12x² -12x³ +1 +6x² -2x -12x³ = -24x³ +18x² -2x +1

Solving the bracket first;

f(x)=(1+6x²)(x-x²) = x -x² +6x³ -6x^4

f'(x)= 1 -2x +18x² -24x³ = -24x³ +18x² -2x +1

3 0

4 years ago

The variables x and y are inversely proportional, and y = 2 when x = 3. What is the value of y when x = 9?

Nina [5.8K]

Answer:

$\huge \purple{ \boxed{ y = \frac{2}{3} }}$

Step-by-step explanation:

Since, the variables x and y are inversely proportional.

$\therefore \: y \: \: \alpha \: \: \frac{1}{x} \\ \implies \: y = \frac{k}{x} \\ (k = constant) \\ \implies \: xy = k ...(1)\\ plug \: y = 2, \: \: x = 3 \: in \: equation \: (1) \\ we \: find \\ 2 \times 3 = k \\ k = 6 \\ plug \:k = 6 \: in \: equation \: (1) \\ xy = 6 \\ (this \: is \: the \: equation \: of \: variation) \\ when \: x = 9 \: \: y =? \\ \\ 9y = 6 \\ y = \frac{6}{9} \\ \huge \red{ \boxed{ y = \frac{2}{3} }}$

4 0

3 years ago

Solve the inequality 2c/3 + 1 > 7

svp [43]

Answer:

c > 9

Step by Step explanation

6 0

2 years ago