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Misha Larkins [42]
3 years ago
15

Rita owed her brother $15. After her birthday, she was able to pay him back and still have $45. How much money did Rita receive

for her birthday?
Mathematics
1 answer:
kipiarov [429]3 years ago
6 0

I’m stuck in the same one!!

Step-by-step explanation:

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What is the slope of the line that passes through the points (1, -2) and (3, -5)?
Ksivusya [100]

Slope of the line is -3/2

Step-by-step explanation:

  • Step 1: Given points are (1, -2) and (3, -5)
  • Step 2: Equation for slope, m = (y2 - y1)/(x2 - x1)

⇒ m = (-5 - -2)/(3 - 1) = -3/2

4 0
3 years ago
A boat is heading towards a lighthouse, whose beacon-light is 136 feet above the
alexandr1967 [171]

The distance between the points A to B is 899.9 feet. After rounding off the  nearest integer we get 900 feet as the final answer.

Given we know that CD is perpendicular to AD.

The distance between CD is 139 feet.

As from points A the boat's crew measure the angle of elevation to the beacon as 6°

therefore, m∠A = 6°

Another time the angle of elevation is measured from point B which is 19°.

therefore, m∠DBC = 19°

tan 19° = CD/BD

BD = CD/tan19°

BD = 136/tan 19°

now for tan 6° = CD/AD (tangent is opposite over adjacent)

AD = CD/tan 6°

AD = 136/tan 6°

AB = AD ₋ BD

AB = 136/tan 6° ₋ 136/tan 19°

AB = 1295.2 ₋ 395.3

AB = 900 feet

hence the distance from point A to B is 900 feet.

Learn more about Heights and distances here:

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5 0
1 year ago
Renee is standing at point (1, 0) on a gigantic circular track of radius 1 mile with center (0, 0). She walks counterclockwise a
mafiozo [28]

Answer:

32

Step-by-step explanation: xbcjxnszHJCGewupearl had some beads She used 3/5 of them to make bracelets and 1/4 of the remainder to decorate her sweater if she had 300 beads left how many beads did she have at first jdks

7 0
2 years ago
Graph the equation below by plotting the y-intercept and a second point on the line. (Zoom in if blurry)
stira [4]

Answer:

The coordinates I chose were (0,2) and (4,5)

Step-by-step explanation:

Didn't you already do this question?

6 0
3 years ago
Read 2 more answers
A triangle has one side that measures 5 ft, one side that measures 6 ft, and one side that measures 9 ft.
pochemuha

Area= 14.142

Perimeter=20

Height=3.14

5 0
3 years ago
Read 2 more answers
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