3 years ago

Solve for x.

2 answers:

7 0

Use the quadratic formula to solve. the answer is the third one down

x= -sqrt10 - 4 and sqrt10 - 4

or in their notation above x= -4+/-10--sqrt

Dmitrij [34]3 years ago

7 0

Answer:

Step-by-step explanation:

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3 1/2 • 4 3/4 please help

Dmitry [639]

Answer: 16 5/8

Step-by-step explanation:

3 1/2 = 7/2

4 3/4 = 19/4

7/2 * 19/4 = 133/8 or 16 5/8

3 0

3 years ago

Read 2 more answers

Which mixed number is equal to 27/6?

zmey [24]

Answer:

4 $\frac{3}{6}$

Step-by-step explanation:

8 0

3 years ago

Find the value of x. Round to the nearest tenth.

timurjin [86]

Answer:

1.6 ft

Step-by-step explanation:

If you use the Pythagorean Theorem to solve for x, you get:

$x=\sqrt{2.1^2-1.4^2}$

$x=\sqrt{2.45} = 1.56524758425$

Rounded to the nearest tenth, the answer is 1.6

8 0

3 years ago

If 3x - y = 3 and -x + y = 3 then xy=___?

mamaluj [8]

First find x and y.

Solve system of equations by elimination.

3x-y=3

+(-x+y=3)

---------------

2x=6

x=3

Now plug in x into one of the equations to find y.

-3+y=3

y=6

xy=3x6=18

5 0

3 years ago

Can someone answer? Please I tried everything I don’t know how to do this.

dedylja [7]

Step-by-step explanation:

-7.2(x-15.6)= -9
-7.2x+112.32= -9
-7.2x= -9-112.32
-7.2x= -121.32
x= -121.32/ -7.2
x=16.85

<h2>hope it helps.</h2><h2>stay safe healthy and happy.</h2>

4 0

3 years ago