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lara31 [8.8K]
3 years ago
14

Evaluate the expression 5x-y when x=2 and y=4

Mathematics
1 answer:
mariarad [96]3 years ago
5 0

Answer:

6

Step-by-step explanation:

5 times 2 (×) 10- 4(y)

when a varbile (letter) is besides then you multiply

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Find the value of the function f(x) = 7x^4 - 3x^3 + 2x^2 - 8x + 10 when x = 2
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Answer:

x= -25

Step-by-step explanation:

f'(x)=10x+4

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3 years ago
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Help please!!!!!!!!!!!!!!!
Likurg_2 [28]
First, find the area of the whole square.

Area= Base times height= 48 times 96 = 4608

Next, find the area of ONE circle. The diameter is 12, so the radius would be 6

A=πr sqaured= 3.14 times 6 squared = 113.04

Next multiply by 3, since there are 3 circles.

113.04 times 3 =339.12

Subtract this value from the total area (4608)

4608-339.12=4268.88

ANSWER: 4268.88

8 0
3 years ago
B^-3 = 1/64 what equals b
s2008m [1.1K]
64=2*2*2*2*2*2=2⁶


B⁻³=1/64
1/B³=1/2⁶
B³=2⁶
B=∛2⁶=2⁶/³=2²=4

Answer: B=4
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What is an equation of the line that passes through the point (-4,3) and has a slope of -1?
vlabodo [156]
Y=mx+b
plug in the point
3=-1*-4+b
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y=-1x-1
8 0
3 years ago
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