All categories

3 years ago

Evaluate ab for a = -2 3/4 and b= - 4/6

Mathematics

1 answer:

nataly862011 [7]3 years ago

7 0

Answer:

1 5/6

Step-by-step explanation:

ab = (-2 3/4) * (-4/6)

= ( -11/4) * ( -4/6)

= (11 * 4) / (4 * 6 )

= 11/6

= 1 5/6

You might be interested in

What is the value of (-2.8)+0+(-2.6)+6.4

Sever21 [200]

(-2.8)+0+(-2.6)+6.4
-2.8-2.6+6.4
-5.4+6.4
1

5 0

2 years ago

(28 POINTS)

cestrela7 [59]

Answer:

(a) $-\sqrt{10}y$

(b) $-\sqrt{3}y$

Step-by-step explanation:

(a) $\sqrt{10y^{2}}$ can also be written as $\sqrt{10}$ x $\sqrt{y^{2}}$

the $\sqrt{y^{2}}$ = ± y

Therefore :

$\sqrt{10y^{2}}$ = ± $\sqrt{10}y$

since it was given that y < 0 , then the factor will be $-\sqrt{10}y$

(b) $\sqrt{3y^{2}}$ can also be written as : $\sqrt{3}$ x $\sqrt{y^{2}}$

Therefore , one of the factor is $-\sqrt{3}y$

3 0

3 years ago

Estimate the square root of 46 to the nearest integer

labwork [276]

6,782 is the nearest root.

The nearest integer would be 7.

I really hope this helped you! c:

5 0

3 years ago

Help! Jeez these are hard.

Irina18 [472]

Answer:

option 2

Step-by-step explanation:

a colored in dot is less than or equal to or greater than or equal to while an uncolored dot is less then or greater than. arrow going left of the number is less than arrow going right is greater than. the problem is a is greater than 4/5 so an uncolored dot shout be on 4/5 going to the right

3 0

3 years ago

Third question I'm giving 50 points

marishachu [46]

Answer: B

Step-by-step explanation:

y = mx + mc

The perpendicular will have slope -1/m and intercept mc, which is

y = (-1/m)x + mc

For the answers you have to factor out a -1/m from both terms:

$$y = -\frac 1m x + mc \cdot -m \cdot -\frac 1m$\\$