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bearhunter [10]
2 years ago
5

The legs of a right triangle measure 5 inches and 9 inches.

Mathematics
1 answer:
olchik [2.2K]2 years ago
8 0

Answer:

29.1

Step-by-step explanation:

Use logic.

Jk. Tan(x) = 5/9 so x = tan^-1(5/9)

Use a graphing calculator in degrees mode.

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Which of these is a point-slope equation of the line that is perpendicular to
stellarik [79]

Answer:

D

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

y - 3 = 4(x - 10) ← is in point- slope form

with slope m = 4

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{4}

The perpendicular line passes through (- 3, 7), hence

y - 7 = - \frac{1}{4}(x - (- 3)), that is

y - 7 = - \frac{1}{4}(x + 3) → D

5 0
3 years ago
What number do we use to replace the (a) a-(-19)= -12
Lena [83]

Answer:

-31

Step-by-step explanation:

We write the equation out

a-(-19)=-12

Distribute the -1

a+19=-12

Subtract the 19 on both sides

a=-31

7 0
2 years ago
What is this simplified?<br><br> 6-2(3x+1)+4x-5
Olenka [21]

Answer:

-2x - 1

Step-by-step explanation:

6 - 6x - 2 + 4x - 5

6 - 2x - 2 - 5

-2x - 1

8 0
3 years ago
Nani needs to buy 8 cups of fresh pineapple for a fruit cocktail. The table shows the unit prices (per cup) of pineapple at diff
notka56 [123]

Answer:

She could purchase from stores A, D and E.

Step-by-step explanation:

She needs 8 cups so I multiplied each price by 8;

Store A 0.49(8)=$3.92

Store B 0.51(8)=$4.08

Store C 0.55(8)=$4.40

Store D 0.48(8)=$3.84

Store E 0.45(8)=$3.60

8 0
3 years ago
Read 3 more answers
Forty-five percent of what number is 22.5? A. 10.125 B. 100 C. 50 D. 30
Mnenie [13.5K]
Look at the answers and be logical, try rounding up so instead of 45% try 50% now 22.5 would be half the number, have a look at the answers and see what is closest to double 22.5. C looks reasonable. Hope I helped, have a nice day :)
5 0
3 years ago
Read 2 more answers
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