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3 years ago

How do you do this problem? 3x+1=10

Mathematics

2 answers:

tatyana61 [14]3 years ago

8 0

The answer is y=-3/1+10

Vlad1618 [11]3 years ago

5 0

This should help 10-1=9 9÷3=3 x=3

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The units of the subway map below are in miles. Suppose the routes between stations are straight. Station G, not shown on the

slega [8]

Answer:

8.60 miles

Step-by-step explanation:

If S=station G, not shown on the map, is 5 miles east and 7 miles south of Station A, the approximate distance between Station E and Station G when traveling by subway will be gotten using the Pythagoras theorem.

EG² = 5²+7²

EG² = 25+49

EG² = 74

EG = √74

EG = 8.60 miles

<em>Hence the approximate distance between Station E and Station G when traveling by subway is 8.60miles</em>

7 0

2 years ago

A police car drives 230 km in 2 1/2 hours. What is its average speed in kilometers per hour?

harina [27]

Answer:

92 km/h

Step-by-step explanation:

8 0

2 years ago

Can someone explain this to me.

almond37 [142]

Answer:

option D

$3*(\sqrt{x}+\sqrt{x-3})$

Step-by-step explanation:

Given in the question an expression,

$\frac{9}{\sqrt{x} -\sqrt{x-3}}$

Step 1

Divide and multiple by $\sqrt{x}+\sqrt{x-3}$ to remove radical sign from denominator.

$\frac{9}{\sqrt{x} -\sqrt{x-3}}*\frac{\sqrt{x} +\sqrt{x-3}}{\sqrt{x} +\sqrt{x-3}}$

Step 2

Apply a² - b² = (a+b)(a-b)

$\frac{9*\sqrt{x}+\sqrt{x-3}}{\sqrt{x^{2}}-\sqrt{(x-3)^{2}}}}$

Step 3

$\frac{9*\sqrt{x}+\sqrt{x-3}}{x-x+3}$

Step 4

$\frac{9*\sqrt{x}+\sqrt{x-3}}{3}$

Step 5

$3*(\sqrt{x}+\sqrt{x-3})$

7 0

2 years ago

Slove the inequality 8(1/2x-1/4)>12-2x

HACTEHA [7]

8(1/2x-1/4)>12-2x

4x-2>12-2x

6x>14

x>7/3

Hope this helps! ;)

6 0

3 years ago

What is 11.16 times 3.27??

kirill115 [55]

11.16 times 3.27 is 36.4932

3 0

3 years ago