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andreev551 [17]
3 years ago
6

I need to figure out which ones are irrational. please help

Mathematics
1 answer:
julsineya [31]3 years ago
3 0
Fatmagul neushe mode
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500 grams of tomatoes cost £1.76 how much will 1.75kg cost??
ValentinkaMS [17]
500 grams equals 0.50 kg so multiply 1.76 3 times to get 5.28, then divide 1.76 by 2 to get .88 add the two together to get 6.16
3 0
3 years ago
Write the equation of the line that passes through the points (1, -6) and (8, 9). Put
ZanzabumX [31]

Answer:

y-9 = \frac{15}{7} (x-8)

Step-by-step explanation:

Point-slope form is represented by y-y_1 = m (x-x_1). To write an equation with it, we need the slope of the line and a point the line crosses through. We already have at least one point the line crosses through, so let's figure out the slope.

To find the slope, use the slope formula \frac{y_2-y_1}{x_2-x_1}. x_1 and y_1 represent the x and y values of one point the line crosses, and x_2 and y_2 represent the x and y values of another point the line crosses. So, using the x and y values of (1, -6) and (8, 9), substitute them into the formula and solve:

\frac{(9)-(-6)}{(8)-(1)} \\= \frac{9+6}{8-1} \\= \frac{15}{7}

Thus, the slope is \frac{15}{7}.

2) Now, using the point-slope form of  y-y_1 = m (x-x_1),  substitute m, x_1, and y_1 for real values in order to write an equation in point-slope form. The m represents the slope, so substitute \frac{15}{7} in its place. The x_1 and y_1 represent the x and y values of one point on the line. So, choose any one of the points given - either one is fine - and substitute its x and y values for x_1 and y_1. (I chose (8,9)). This gives the following equation and answer:

y-9 = \frac{15}{7} (x-8)

5 0
3 years ago
Janet is trying to prove that the sum of the measures of the interior angles of a triangle is 180°.
Butoxors [25]

Answer:

  A  Alternate interior angles of parallel lines are congruent

Step-by-step explanation:

The referenced angles (1, A), (3, C) are alternate interior angles, not corresponding or exterior. The symmetric property does not apply. The only answer choice with any applicability is the one shown above. (It is also the right choice.)

7 0
3 years ago
Read 2 more answers
Calvin bought 6 ties for $19.50 each and three shirts for $23.50 each. how much did he spend?​
lions [1.4K]
The answer is $187.5 because you need to multiply 19.50 x 6 and that will equal 117.
$23.50 x 3 = 70.5. Add those two together and it will be $187.5
6 0
3 years ago
What is the multiplicative inverse of -1/2
Alja [10]

In mathematics, the reciprocal, or multiplicative inverse, of a number x is the number which, when multiplied by x, yields 1. It is denoted 1/x or x-1.

6 0
3 years ago
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