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4 years ago

Which ordered pair in the form (x, y) is a solution of this equation?

Mathematics

1 answer:

Natasha2012 [34]4 years ago

5 0

(3, 1)

substitute each ordered pair into the left side of the equation and if equal to the right side then it is a solution

(4, 1 )

(4 + 6) × 1 = 10 × 1 = 10 ≠ 9 ← not a solution

(2, 1 )

(2 + 6 ) × 1 = 8 × 1 = 8 ≠ 9 ← not a solution

(3, 1 )

(3 + 6 ) × 1 = 9 × 1 = 9 ← hence a solution

(12, 2 )

(12 + 6 ) × 2 = 18 × 2 = 36 ≠ 9 ← not a solution

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Chau is riding on a bike course that is 80 miles long. So far, he has ridden 64 miles of the course. What percentage of the cour

skelet666 [1.2K]

Let the percentage be x%,

then,

x% of 80 = 64
$\frac{x}{100} \times 80 = 64 \\ \frac{x}{10} \times 8 = 64 \\ \frac{x}{10} = \frac{64}{8} \\ x = 8 \times 10 = 80 \%$

He has ridden 80% of the total bike course.

!! Hope It Helps !!

6 0

3 years ago

Which is the correct form

lesya [120]

Answer:

Step-by-step explanation:

8 0

3 years ago

What is the domain and range?

Pie

Answer:

Domain: {-6, -2, -1, 1, 3, 6}

Range: {-6, -2, -1, 0, 3}

Step-by-step explanation:

to find the domain of a function, you look at all the possible x-values. this means you look at all the points, and see what their x-values are.

for example, the first point on the left is at (-6, -1). this means that -6 is in the domain. continue doing this for all the points, and you get {-6, -2, -1, 1, 3, 6}

to find the range of a function, it's just like domain but with y-values.

for example, for the leftmost point, it's at (-6, -1) so -1 is part of the range. continuing this with all the points, you get {-6, -2, -1, 0, 3}

5 0

2 years ago

3/5 × -4/7 + 4/35 - 3/10 × 4/7

Annette [7]

Answer:

I think its -2/5 but not sure

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Helpppp? PLease im very confused

kompoz [17]

Answer:

Yes

Step-by-step explanation:

There is a linear relationship, so there is a constant change in the graph and thus a proportional relationship.

3 0

4 years ago