Please help me with this question asap
Answers
Answer:
156 for the first, 14 for the second
Step-by-step explanation:
x = -5 y=4
Plug in (first equation)
(4(4))^2 - (2(-5))^2
(16)^2 - (-10)^2
256-100
156
Second Equation
4y^2-2x^2
Plug in
4(4)^2 - 2(-5)^2
4(16) - 2(25)
64-50
14
Parenthesis make a huge difference
Hope this helps =D
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Answers
Answer:
9.8 inches
Step-by-step explanation:
The formula for arc length is (θ/360)2πr
This is where θ represents the measure of the central angle in degrees,
and r represents the radius of the circle.
This said, we can plug our values in.
(80/360)2π7
Simplify.
(2/9)14/π
28/9π
9.7738438112
Round to nearest tenth.
9.8
Answer:
9.8 inches
Step-by-step explanation:
Set up a proportion:
central angle / 360 = arc length / circumference
=
360 divided by 14pi is about 8.2, so divide 80 by 8.2 to find x.
x = 9.8 in
Answers
Answer:
30?
Step-by-step explanation:
x=2x-30
+30. +30
x+30=2x
-x. -x
30=x
You can double check the work...It fits in!
2(30)-30 = 30
60-30=30
Answers
To find the slope of a line, you need to find the change in x over the change in y, or rise over run. You can do this by taking two points and using the formula .
To find the y-intercept, find where the graph touches the y-axis.
To find the x-intercept, find where the graph touches the x-axis.
Zeroes on a graph are the same as its x-intercepts.
Answers
Answers
The number is even.
The number is less than three.
The number is greater than three.
The number is a multiple of five.
Answers
Answer:
Getting a multiple of 5 is the least likely outcome.
Step-by-step explanation:
We spin a spinner that has 8 equal-sized sections numbered 1 - 8.
We have to find which is the least likely to occur.
The number is even when outcomes are 2,4,6 or 8.
Number of outcomes = 4
If the number is less than 3, the number of possible outcomes are 2 that is 1 and 2.
If the number is greater than 3 , number of possible outcomes is 5 which are 4,5,6,7 and 8.
If the number is a multiple of 5, only 1 outcome is there which is 5 itself.
Hence getting a multiple of 5 is the least likely outcome.