<span>4x + 8y = 7
8y = -4x + 7
y = -1/2x + 7/8 this equation has slope = -1/2
</span><span>line perpendicular to the line 4x + 8y = 7, so the slope = 2
</span><span>same y -intercept as −3x + 5y = −2
</span><span> y intercept means x = 0
</span> 5y = −2
y = -2/5
so
b = -2/5
answer:
equation:
y = 2x - 2/5
The answer should be 5, but it's not an choice.
Answer:
Hello,
10,070
Step-by-step explanation:
100% - 12% = 88% = 0.88
28,000 x 0.88^8 = 10,069.76...
Answer:
Step-by-step explanation:
A = (-123)+77+(-257)+23-43
A = -46+(-257)+23-43
A = -303+23-43
A = -280-43
A = -323
Hope this helps
Answer:
-84
Step-by-step explanation:
The formula for the nth term of a geometric progression is
Un = ar^n- 1
The sum of the first six terms of a geometric series (U6) = 21/16
Common ratio = -1/2 ,
a = First term ??
21/16 = a × (-1/2 )^6- 1
21/16 = a ×(-2^-1)^5
21/16 = a × -2^-6
Cross Multiply
16 × a × -2^-6 = 21
a = 21/16 × -2^-6
a = 21/16 ×- 1/2⁶
a = 21/16 × -1/64
a = 21 ÷(-1/4)
a = 21 × -4
a = -84
The first term = 84
