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3 years ago

Are the ratios 1:2 and 13:18 equivalent?

Mathematics

2 answers:

DENIUS [597]3 years ago

8 0

Answer:

No.

Step-by-step explanation:

If I multiplied 2 by 9 to get 18, I would have to do the same to the 1. This would make the ratio 9:18, not 13:18.

Therefore, these two ratios are not equivalent.

enyata [817]3 years ago

5 0

Answer:

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If h(x) = x – 7 and g(x) = x2, which expression is equivalent to (g•h)(5)?

timofeeve [1]

Answer:

(g · h)(5) = -50

Step-by-step explanation:

Step 1: Define

h(x) = x - 7

g(x) = x²

Step 2: Find (g · h)(x)

(g · h)(x) = x²(x - 7)

(g · h)(x) = x³ - 7x²

Step 3: Find (g · h)(5)

(g · h)(5) = 5³ - 7(5)²

(g · h)(5) = 125 - 7(25)

(g · h)(5) = 125 - 175

(g · h)(5) = -50

3 0

3 years ago

Read 2 more answers

Find the distance from point M to point N on the graph shown. Round your answer to

Anestetic [448]

Answer:

3. 8.60 units

Step-by-step explanation:

Distance from point M(-2, 4) to point N(5, -1) can be calculated using the distance formula, $d = \sqrt{(x_{2} - x_1)^2 + (y_2 - y_1)^2}$

M(-2, 4) => (x1, y1)

N(5, -1) => (x2, y2)

Plug in the values into the formula

$d = \sqrt{(5 - (-2))^2 + (-1 - 4)^2}$

$d = \sqrt{(7)^2 + (-5)^2}$

$d = \sqrt{49 + 25}$

$d = \sqrt{74}$

$d = 8.60 units$

7 0

3 years ago

The square of a is equal to one-ninth the square of

crimeas [40]

Here,
Two squares are given i.e.a and b
By the question,
a = (1/9)* b
or, b= 9*a-----------i
and a = b - 2
or, b= a + 2 -------- ii
equating eqn i and ii.
We get,
9a = a+2
or, 9a-a=2
or, 8a = 2
or, a = 1/4

answer = 1/4

8 0

4 years ago

A can of 3 tennis balls sells for $2. If Sal spent more than $24 on tennis balls, which inequality can be used to find n, the nu

Novosadov [1.4K]

Answer:

The inequality that can be used to find the number of balls he bought is: $\frac{2}{3}*n > 24$

Solving the inequality gives us: $n > 36$ . He bought more than 36 balls.

Step-by-step explanation:

In order to solve this problem we first need to find the cost of each ball, because the number of balls he bought, n, multiplied by the cost of each ball must be more than $ 24. If a can with 3 tennis balls costs $ 2, then the cost of each ball is given by the division of the total cost of the can by the number of balls. We have:

$ball = \frac{2}{3}$