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Monica [59]
3 years ago
11

Mathematics Help Please!

Mathematics
1 answer:
Brrunno [24]3 years ago
8 0
3/7 * -2 1/5

= 3/7 * -11/5  =  -33/35

Answer is -33/35
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What is the best description of AB?
Wewaii [24]

9514 1404 393

Answer:

  F  altitude

Step-by-step explanation:

AB is perpendicular to triangle base XZ, so is an altitude of the triangle.

__

<em>Additional comment</em>

B is not the midpoint of XZ, so AB is not the median and not a bisector of XZ. Likewise, AB is not the angle bisector of angle A. (The triangle would have to be isosceles for AB to be a perpendicular bisector, median, and angle bisector.)

Eliminating the choices that can't work leaves the one that does work. AB is the altitude.

4 0
3 years ago
At her archery lessons, Tess has a 90% chance of getting a bull's eye. Unfortunately, there is only a 40% chance that her
zepelin [54]

Answer:

Step-by-step explanation

2. you gave that there is a 40% chance that her instructor will be watching, which means that there is a 60% chance he will not be watching (100% - 40%).

3. you gave that there is a 90% chance of making a bull's eye, and 40% chance the instructor will be watching

since those two events are independent of each other, the chance of both of them happening is the product of the two chances, namely 0.9 x 0.4 = 0.36, or 36%

6 0
3 years ago
Write an equation in point-slope form of the line<br> (-7,2); m=2
AfilCa [17]

Answer: y - 2 = 2(x + 7)

Step-by-step explanation:

        Point-slope form is written as y - y_{1} = m(x - x_{1}) where m is the slope and ( x_{1}, y_{1}) are points on the line.

y - y_{1} = m(x - x_{1})

y - 2 = 2(x + 7)

5 0
2 years ago
What is the slope of the line represented by the equation y=4/5x-3
vekshin1

Answer:

4/5

Step-by-step explanation:

slope is 4/5

y = mx + b

m = slope

6 0
3 years ago
William Right broke his leg in an accidental fall. He has a deductible of $150 and a coinsurance payment equal to 20% percent of
Varvara68 [4.7K]

We know that William paid his deductible that amount is the $150. 

Then William paid 20 percent of everything else. That's 20 percent of (750 minus 150), it is equal to 150.

Then the insurance company paid 80 percent of (750 minus 250), it is equal to 480.

7 0
3 years ago
Read 2 more answers
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