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a_sh-v [17]
2 years ago
12

nolan is taking a multiple choice test his grade is given by the equation y=70-2x where y represents his final score and x repre

sents the number of questions he got wrong . waht could the number 70 represents in the equation? ​
Mathematics
1 answer:
Fynjy0 [20]2 years ago
7 0

Answer:

70 could represent the total number of points nolan can earn on the test

Step-by-step explanation:

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6 The area of a square is 32.5 square inches. Which best represents the length of one side of the square? F 32.5 -16 in. 16 . 5
laiz [17]

Answer:

The answer will be 5.701

Step-by-step explanation:

Find the square root of the area of the square

7 0
3 years ago
Express with radical signs instead of fractional exponents. Rationalize the denominator.
CaHeK987 [17]

x^{\frac{1}{2}} = \sqrt[2]{x} and 3^{-\frac{1}{2}} = \frac{1}{3^{\frac{1}{2}} } = \frac{1}{\sqrt[2]{3}} so

3^{-\frac{1}{2}} x^{\frac{1}{2}} = \frac{1}{\sqrt{3}} \cdot \sqrt{x}  = \frac{\sqrt{x}}{\sqrt{3}}

and you rationalize denominator by multiplying numerator and denominatr by \sqrt{3} so that gives--

\frac{\sqrt{x}}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}} = \frac{\sqrt{3x}}{3}

Your answer is \frac{\sqrt{3x}}{3}

5 0
3 years ago
2x - y when x = 0 and y = -5
nata0808 [166]

Answer:

5

Step-by-step explanation:

2x - y when x = 0 and y = -5

2(0) - (-5) =

= 0 + 5

= 5

3 0
3 years ago
Read 2 more answers
4) Solve each pair of simultaneous equations.
Mkey [24]
4) a. x+y=1–(1)
y=2x-8—(2)
(2) into (1)
x+(2x-8)=1
3x-8=1
3x=1+8
x=9/3
x=3—(3)
(3) into (2)
y=2(3)-8
y=-2

ans x=3, y=-2

b. x+y=19—(1)
y=5x+1—(2)

(2) into (1)

x+(5x+1)=19
6x+1=19
6x=19-1
x=18/6
x=3—(3)

(3) into (2)

y=5(3)+1
y=16

ans x=3, y=16

c.x+y=-2—(1)
y=x-10—(2)

(2) into (1)

x+(x-10)=-2
2x-10=-2
2x=-2+10
x=8/2
x=4–(3)

(3) into (2)
y=4-10
y=-6

ans x=4, y=-6


5) 3x=y—(1)
x=y-16–(2)

(2) into (1)

3(y-16)=y
3y-48=y
2y=48
y=48/2
y=24–(3)

(3) into (2)

x=24-16
x=8

ans x=8, y=24
7 0
3 years ago
Show your work, solve x for the equation above please
kramer

Answer:

x= z • g (v-r) -k

Step-by-step explanation:

6 0
3 years ago
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