Y=0.72(3) i think tht is the answer
Math = 3x + 1
Spelling = x + 8
Math - Spelling = 3x + 1 - x - 8
Math - spelling = 2x - 7
If x = 8
The 2*8 - 7 = 16 -7 = 9 <<<<< answer
There were 9 more questions on math than spelling.
There will be 354087.24 mosquitoes on the 19th of May.
<h3>What is an expression?</h3>
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division
.
Using the relation :
y = 180000(1.07)^x
x = Number of days since May 6 ;
y = Number of mosquitoes after x days
x = May 9 May 19 = 10 days
Therefore, a number of mosquitoes inhabiting the city on May 19 will be :
y = 180000(1.07)^10
y = 180000 x 1.96715136
y = 354087.24
y = 354087.24 (nearest whole number).
Therefore there will be 354087.24 mosquitoes on the 19th of May.
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You can solve this by plugging the given information into point-slope form, which is y -
= m (x -
). So plug in m for m, the y coordinate (5) for y_{1} , and the x coordinate (2) for x_{1}.
y - y_{1} = m (x - x_{1} Substitute the variables
y - 5 = 4 (x - 2) Use the Distributive Property
y - 5 = 4x - 8 Add 5 to both sides
y = 4x - 3