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Dmitry [639]
3 years ago
14

Y=2x-5 and goes through the point (1,4)

Mathematics
1 answer:
Ne4ueva [31]3 years ago
6 0

Step-by-step explanation:

plug in 1 and 4 for x and y

(4)=2(1)-5

then do the math

4=2-5

4 does not equal -3 therefore it is not a solution

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Midori cleans the hamster cage every 7 days, brushes the dog every 9 days, and cleans the frog aquarium
Shtirlitz [24]

Answer:

  126

Step-by-step explanation:

The least common multiple of 7, 9, and 6 is the product of the unique factors.

  7 = prime

  9 = 3^2

  6 = 3·2

The LCM is 7·3^2·2 = 126

Midori will take care of all three pets again after 126 days.

8 0
4 years ago
What value of θ makes cosθ = sin70° a true statement?<br> A) 20° <br> B) 40° <br> C) 70° <br> D) 90°
Delvig [45]

Answer:

A) 20°

Step-by-step explanation:

Sine and cosine are co-function complements which means that value of sine of an angle is equal to the value of cosine of the complementary angles.

This can be represented by:

\sin\theta=\cos(90\°-\theta)

\cos\theta=\sin(90\°-\theta)

Given statement:

cos\theta=\sin70\°

Applying co-function complements

\cos\theta=\sin(90\°-\theta)

Since, we can represent 70° = 90°-20°

So

\cos20\°=\sin(90\°-20\°)  

Thus, \theta=20\° makes the statement true.

3 0
3 years ago
Sally is 10 years older than one fifth of her mother’s age. If Sally is 20 years old, how old is her mother?
slamgirl [31]

S = Sally

M = Mother

S = M/5 + 10

20 = M/5 + 10

20 - 10 = M/5

10 = M/5

M = 10 * 5

M = 50

----------------

Her mother is 50 yo

-----------------

50 : 5 + 10 = 20

the answer is good

4 0
3 years ago
4) Suppose the points shown on the coordinate plane are vertices of a rectangle. Which statements are correct? A) The perimeter
Assoli18 [71]

<u>Answer</u>:

B) The perimeter of the rectangle is 28 units.

E) The coordinates for the fourth vertex of the rectangle are (−5, −3).

<u>Step-by-step explanation</u>:

The length of the rectangle is 9 and width is 5.

  • The perimeter is 2( 9 + 5 ) = 28 units

<em>as the upper one is right. Option A eliminated. </em>

  • The coordinates for the fourth vertex of the rectangle are (−5, −3).

<em>as the upper one is right. option C and D will be eliminated.</em>

7 0
2 years ago
Read 2 more answers
How much time does it take for a horse to run 1.5 miles at an average speed of 15 mi/hr?
Paraphin [41]

Answer:0.1

Step-by-step explanation:

3 0
3 years ago
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