The measure of an angle is 47º. What is the measure of its complementary angle?
1 answer:
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Answer:
---- equation 1
---- equation 2
A microscope costs S51 and a dissection kit costs S17
Step-by-step explanation:
Given
Represent microscope with M and Dissection kits with D
Cost:
Required
Represent as an equation:
To do this, we represent the equation in terms of cost and quantity
In terms of cost, we have:
---- equation 1
and
---- equation 2
Substitute 3D for M in equation 1
Divide both sides by 134
Substitute 17 for D in
Hence:
<em>A microscope costs S51 and a dissection kit costs S17</em>
Option A:
Step-by-step explanation:
Given polynomials are (5x + 8 – 6x) and (4 + 2x –7).
Let us first simplify the expression:
Combine like terms.
(5x + 8 – 6x) = (5x – 6x + 8) = –x + 8
(4 + 2x –7) = (4 – 7 + 2x) = –3 + 2x
Product of (5x + 8 – 6x) and (4 + 2x –7)
= (5x + 8 – 6x)(4 + 2x –7)
= (–x + 8)(–3 + 2x)
Multiply each term of one expression with each term of the other expression.
= (–x)(–3) + (–x)(2x) + 8(–3) + 8(2x)
Combine like terms and add.
Arranging the equation, starting with highest power.
Hence, the product of the two given polynomials is