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andreev551 [17]
2 years ago
15

Evaluate 4x^2+3y for x=5 and y=6

Mathematics
2 answers:
olganol [36]2 years ago
3 0

Answer:

2025+18=2043

Step-by-step explanation:

larisa [96]2 years ago
3 0

Answer:

118

Step-by-step explanation:

4x^2 + 3y

4(5^2) + 3(6)

4 * 25 + 18

100 + 18

118

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Are the following expressions equivalent 26-(-26) and 26+(-26)
kotegsom [21]

Answer:

No.

Step-by-step explanation:

They are not because the left side is 52, while the right side is 0.

5 0
3 years ago
What is the slope of the line through points (0,6) and (5,-4)
anastassius [24]
The slope between the points (x1,y1) and (x2,y2) is
slope=(y2-y1)/(x2-x1)

(0,6) and (5,-4)
x1=0
y1=6
x2=5
y2=-4

slope=(-4-6)/(5-0)=-10/5=-2
slope=-2
7 0
3 years ago
Ann car can go 117 miles on 3 gallons of gas. During a drive last weekend, Ann used 8 gallons of gas. How far did she drive?
Nitella [24]

Answer:

Ann drove 312 miles in 8 gallons.

Step-by-step explanation:

Distance covered by Ann's car = 117 miles

Gallons of gas spent by Ann's car to cover 117 miles = 3 gallons

Unit rate = 117 miles / 3 gallons

               = 39 miles per gallon

so Ann's car can go 39 miles in one gallon of gas.

  • Given that Ann used 8 gallons of gas.

Therefore,

Distance covered by Ann's car in 8 gallons = 39 × 8

                                                                         = 312 miles

Therefore, Ann drove 312 miles in 8 gallons.

6 0
3 years ago
Guys please help me I don’t understand and my test is due at 12 I only have 40min HELP GREATLY APPRECIATED!!!
ICE Princess25 [194]

Answer:

{9} Slope: -1

Y-intercept = 0

Step-by-step explanation:

Slope-----

Recall slope-intercept form

y=mx+b, with slope m and a y-intercept of b. With this in mind, we can rewrite our equation as y=−x+0

We see that our slope, or coefficient on x, is −1.

Y-intercept-----

We can rewrite this equation as:y=1x+0

The slope-intercept form of a linear equation is: y=mx+b

Where m is the slope and b is the y-intercept value.

For this equation:y=1x+0

Therefore:

The slope is m=1

The y-intercept is b=0 or (0,0)

Hope this helps!

3 0
3 years ago
Use the picture to name one tangent<br>im gonna go to summer shcool if I don't pass​
katrin [286]
A tangent is a straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point.

the answer is LM

because it is a straight line, it touches the surface of the circle, but it does NOT cross the circle at one point.
7 0
2 years ago
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