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aliya0001 [1]
3 years ago
12

Help please. What is the value of the expression?? -16+(-25).​

Mathematics
1 answer:
LenaWriter [7]3 years ago
7 0

The value of the expression is -41.

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Write an equation in point-slope form for the line that has a slope of 4/5 and contains the point (−5, −3).
ankoles [38]

y = mx + b, where m = slope, and b = y-intercept.

Since you are not given the y-intercept, you have to solve for it through the equation, y = (4/5)x (which is the slope you are given) + b, and replace x and y with values given, which are (-5,-3)

y = (4/5)x + b

-3 = (4/5)(-5) + b

-3 = -4 + b

1 = b


Then replace b in the first equation to get the answer

y = (4/5)x + 1

5 0
4 years ago
Terry drove 310 miles in 5 hours at a constant speed. How long would it take home to drive 403 miles at the same speed
yuradex [85]
310 miles ÷ 5 hours = 62 miles per hour

403 miles ÷ 62 = 6.5 hours
7 0
3 years ago
Which expression is equivalent to 2^3/2^-8
Mkey [24]

Answer:

2^{11}

Step-by-step explanation:

<u>Key indices rule: When dividing powers, subtract the indices and keep the base numbers constant.</u>

<u />\frac{2^{3} }{2^{-8} } Based on the rule above, the indices are determined by 3--8, which is 11.

The base number is kept constant.

Therefore, the answer is 2^{11}.

7 0
3 years ago
What is the surface area of a sphere with radius 4?
mario62 [17]

Answer: 64 units

Step-by-step explanation:

Remember, the formula to find surface area given radius is 4\pi r^2. Let's add in the given information:

4pi4^2 =

4pi16

64pi!

Hope this helps, please consider making me Brainliest.

5 0
2 years ago
PLZ HELP NNOOOOOOOWW!! 15 points!!
motikmotik
The midpoint of the line having the endpoints (x_1,y_1) and (x_2,y_2) is (\frac{x_{1}+_x_{2}}{2}, \frac{y_{1}+_y_{2}}{2})
basically average them


so given that the line has the endpoints of (-3,7) and (9,-2)
x₁=-3
y₁=7
x₂=9
y₂=-2

so the midpoint can be found by doing
(\frac{-3+9}{2}, \frac{7+(-2)}{2})=
(\frac{6}{2}, \frac{7-2}{2})=
(3, \frac{5}{2})

the midpoint is (3,\frac{5}{2})
4 0
3 years ago
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