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stich3 [128]
3 years ago
10

Helpppppppppp plz..............

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
8 0

Answer:

8miles

Step-by-step explanation:

velocity= 6/(45/60)=8miles/h

distance = 8miles in 1 hour

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Consider the line y= -7/4x+8
VARVARA [1.3K]
Perpendicular line has slope that multiplies to -1
paralel line has same slope

y=mx+b
slope=-7/4
perpendicular
4/7
(-7,-2)
-2=4/7(-7)+b
-2=-4+b
add 4 both sides
2=b
y=4/7x+2


paralel
y=-7/4x+b
-2=-7/4(-7)+b
-2=49/4+b
minus 49/4 from both sides (-2=-8/4)
-57/4=b
y=-7/4x-14.25


perpendicular
y=4/7x+2
paralel
y=-7/4x-14.25
8 0
2 years ago
Consider this equation: –3x – 5 2x = 6which is an equivalent equation after combining like terms?
Alla [95]
-3x-5+2x=6
2x-3x-5=6
-1x-5=6
-x-5=6
-x=11
x=11
an equivilent equaiton is x=11
7 0
3 years ago
Solve the system using linear combination.
Angelina_Jolie [31]

Answer:

Delta does not have a relative extreme in the equation, so it is variable y It can not be true

Step-by-step explanation:

s = 5x + 3y

There is an answer

The rest of the equation that has no substituted delta is not true, so the prime variables have relative extremes.

8 0
2 years ago
What will it cost to tile a rectangular floor measuring 299 feet by 34 feet if the tile costs $11 per square foot?
dexar [7]

Area = 299*34 = 10166 ft^2


Cost = 10166 * 11 = $111,826 (answer)

3 0
3 years ago
F(x) = x2 + 1 g(x) = 5 – x<br><br> (f + g)(x) =
Gnom [1K]

Answer:

(f + g)(x) =  {x}^{2} - x + 6

Step-by-step explanation:

We have

f(x) =  {x}^{2}  + 1

and

g(x) = 5 - x

We want to find (f+g)(x).

By the algebraic properties of polynomial functions,

(f + g)(x) = f(x) + g(x)

(f + g)(x) =  {x}^{2}  + 1 + 5 - x

This simplifies to

(f + g)(x) =  {x}^{2}  - x + 6

We can't simplify further, hence the simplest form

4 0
3 years ago
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