Step-by-step explanation:
a=2,b=-4,c=7,d=-3
b-a(cd+b)+a=-4-2(7×-3)+2
=-6(-21)+2
=126+2
=128
<em>Keep</em><em> </em><em>smiling</em><em> </em><em>and</em><em> </em><em>h</em><em>ope</em><em> </em><em>u</em><em> </em><em>are</em><em> </em><em>satisfied </em><em>with</em><em> </em><em>my</em><em> </em><em>answer</em><em>.</em><em>Have</em><em> </em><em>a</em><em> </em><em>nice</em><em> </em><em>day</em><em>:</em><em>)</em>
Answer:
A letter A
Step-by-step explanation:
Segment CE only
mypoints!
Electricity is I think all it need
The words that can be used to fill in the blanks are;
3) Work
4) fulcrum
5) simple machine
6) compound machine
7) All of these
8) pulley
9) wheel and axle
10) screw
11) wedge
12) inclined plane
<h3>What is force?</h3>
We know that the term force has to do with a push or a pull force has to do with that which could cause an object to move some distance in the direction of the force that has been applied.
There are several kinds of simple machine. Let us recall that a machine has to do with any material that eases our work. It is the material that helps us to exert a lesser effort in order to move a heavier load.
The various kinds of simple machines that we have are;
- Lever
- Wheel and axle
- Pulley
- Screw jack
The Lever is a simple machine that is composed of the load, the fulcrum and the effort.
Learn more about simple machine:brainly.com/question/10075890
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