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ra1l [238]
3 years ago
15

Use benchmarks to estimate the sum of 9 1/16 +3 1/16

Mathematics
2 answers:
Leno4ka [110]3 years ago
5 0
12 and 1/8, I just simplified 2/16 to 1/8
Setler [38]3 years ago
5 0
9 1/16 + 3 1/16
(9+3) + (1/16 + 1/16)
12 + 2/32
12 + 1/16
12 1/16
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Type the slope-intercept equation
natulia [17]

Answer:

y= -2x +1

Step-by-step explanation:

<u>slope- intercept form</u><u>:</u>

y= mx +c, where m us the gradient and c is the y-intercept.

Let's find the value of m first using the gradient formula.

Gradient= \frac{y1 - y2}{x1 - x2}

m =  \frac{ - 3 - 3}{2 - ( - 1)}  \\ m =  \frac{ - 6}{2 + 1}  \\ m =  \frac{ - 6}{3}  \\ m =  - 2

y= -2x +c

To find the value of c, substitute a pair of coordinates.

When x= -1, y=3,

3= -2(-1) +c

3= 2 +c

c= 3 -2

c= 1

Thus the equation of the line is y= -2x +1.

4 0
3 years ago
Which situation CANNOT be represented by this equation?
aniked [119]

Answer:

1

Step-by-step explanation:

8 0
3 years ago
C.
dmitriy555 [2]

Answer:

the answer to this question is 120km/hr

5 0
2 years ago
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about travels in the following path. How far north did it travel? Round your answer to the nearest 10th of a mile
SCORPION-xisa [38]

Answer:

19.1 miles

Step-by-step explanation:

The situation given represents a right triangle.

Thus, we would use trigonometric function to find how far north the boat travelled.

Let's represent how far the boat travelled north with "x".

Thus:

Reference angle = 23°

Opposite = x

Adjacent = 45 miles

Apply TOA:

Tan 23° = Opp/Adj

Tan 23° = x/45

Multiply both sides by 45

45 × Tan 23° = x

x = 45 × Tan 23°

x = 19.1013667

x = 19.1 miles (nearest tenth of a mile)

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2 years ago
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Anastaziya [24]

Answer:

x^2 + 6x + 2 = 0

Step-by-step explanation:

Just add 2 to both sides, obtaining x^2 + 6x + 2 = 0; this is in "general form" for a quadratic equation.

3 0
3 years ago
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