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diamong [38]
2 years ago
15

Solve for x and y in the figure below

Mathematics
1 answer:
Len [333]2 years ago
4 0

Step-by-step explanation:

All the sides of the triangle are equal

Therefore, it is a equilateral triangle

and all angles measure 60°.

So, 25x-15= 60

25x = 60+15= 75

x= 75/25

x= 3

2y = 60

y=30

optionA

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What is 3 over 4 times 7
cupoosta [38]

Answer:

21/4

Step-by-step explanation:

3/4 x 7

you need to multiply 7 by the 3 which gives you 21

so 21/4

8 0
3 years ago
Consider a comparison of two models. The "complete" model has both curvature and interaction. The "reduced" model has curvature,
kipiarov [429]

Answer:

True

Step-by-step explanation:

The reduced model and complete are the two models that can be used to determine test the hypothesis. The best way to determine which model fits the data set is to determine the F-test. The Full model is unrestricted model whereas reduced model is restricted model. F-test determines which model to choose for hypothesis testing for better and accurate results.

5 0
3 years ago
Able, ben and cal each played a game.
iragen [17]

Answer:

Ratio of Able's score to Ben=6:1

Ratio of Ben's score to Cal's=1:2

Ratio of able's score to ben;s score to cal's score=6:1:2

Step-by-step explanation:

Let Ben's score =x

Able scored six times Ben's score

Able=6*x

=6x

Cal scored a third of Able's score

Cal=1/3 of 6x

=1/3(6x)

Ratio of Able's score to Ben

6x:x

=6:1

Ratio of Ben's score to Cal's score

x:1/3(6x)

=x:6x/3

=x:2x

=1:2

Ratio of able's score to ben;s score to cal's score=6:1:2

4 0
3 years ago
Pre drove 34.8 miles on Friday, 71.15 miles on
Pavel [41]

Answer:

146.85

Step-by-step explanation:

Pre drove 146.85 miles over the 3 day weekend.

7 0
3 years ago
X+y=5<br> x×y=6<br> Solve simultaneously with steps
igor_vitrenko [27]

Answer:

(3, 2), (2, 3)

Step-by-step explanation:

x + y = 5

xy = 6

Solve the first equation for x.

x = 5 - y

Substitute 5 - y for x in the second equation.

xy = 6

(5 - y)y = 6

5y - y² = 6

y² - 5y + 6 = 0

Factor.

(y - 2)(y - 3) = 0

y - 2 = 0  or y - 3 = 0

y = 2  or y = 3

Now substitute 2 for y in the first equation and solve for x.

x + y = 5

x + 2 = 5

x = 3

One solution is x = 3; y = 2, or (3, 2).

Now substitute 3 for y in the first equation and solve for x.

x + y = 5

x + 3 = 5

x = 2

Another solution is x = 2; y = 3, or (3, 2).

Answer: (3, 2), (2, 3)

7 0
1 year ago
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