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salantis [7]
2 years ago
11

What is ?/? + 2/7 =1

Mathematics
2 answers:
lapo4ka [179]2 years ago
8 0

Answer:

5/7

Step-by-step explanation:

x +  \frac{2}{7}  = 1 \\  \\ x = 1 -  \frac{2}{7}  \\  \\ x =  \frac{7}{7}  -  \frac{2}{7}   \\  \\ x =  \frac{5}{7}

Bess [88]2 years ago
6 0
5/7

If you add the numerators in each, they should be the same as the denominator. 5+2=7

So 7/7=1
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Kyle bought some $12 shirts. Sally bought some $15 shirts. They each spent less than $200, but they both spent the same amount.
stira [4]

Answer:

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8 0
2 years ago
Dairy farmers are aware there is often a linear relationship between the age, in years, of a dairy cow and the amount of milk pr
Jobisdone [24]

Answer:

B. A cow of 5 years is predicted to produce 5.5 more gallons per week.

Step-by-step explanation:

Let M(a) = 40.8-1.1\cdot a, where a is the age of the dairy cow, measured in years, and M(a) is the predicted milk production, measured in gallons per week.

Besides, we consider a_{1} and a_{2}, such that a_{1}\ne a_{2}, we define the difference between predicted milk productions (\Delta M) below:

\Delta M = -1.1\cdot (a_{2}-a_{1}) (1)

If we know that a_{1} = 5\,yr and a_{2} = 10\,yr, then the difference between predicted milk productions is:

\Delta M = -1.1\cdot (10-5)

\Delta M = -5.5\,\frac{gal}{week}

That is, a cow of 5 years is predicted to produce 5.5 more gallons per week than a cow of 10 years. Hence, the right answer is B.

6 0
2 years ago
What is the equation of the line that passes through the point (-6,-6)(−6,−6) and has a slope of \frac{2}{3} 3 2 ​ ?
xz_007 [3.2K]

Answer:

the first on is 144 the secnd one is 1

Step-by-step explanation:

i think that's write.

3 0
2 years ago
What is 15/18 in simplest form
Julli [10]

The answer is: 5/6 or 0.833333

3 0
3 years ago
Read 2 more answers
A chord is 15 cm long. It is 9 cm from the center of the circle. What is the radius of the circle?
Maurinko [17]

Answer:

a²+b²=c²

7.5²+9²=c²

137.25=c²

√137.25=c²

11.72.... = c

The Radius of the circle is approximately 11.72cm

Step-by-step explanation:

Using this data. Create a Triangle with the Chord and Center of the dot. We know the distance between the chord and center which is one length of one of the sides.

We split the chord from the intersecting line from the center to the chord making the second line being 7.5cm

After We draw a line from the center of the circle to where the chord meets to the edge of the circle to create the triangle

We now have 2 measurements and can use Pythagorean Theorem to determine the radius from the missing length of the triangle.

3 0
2 years ago
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