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3 years ago

The ratio of the sum k and 12 to 15 is the same as the ratio of 30 to 25. What is K?

Mathematics

1 answer:

avanturin [10]3 years ago

3 0

K would be 13 I hope his helps

Read more about percentage at:

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7 0

2 years ago

Find the compound interest on ₹ 31,250 at 12% pa for 2 1/2 years

IRISSAK [1]

Answer:

42,183

Step-by-step explanation:

We will use the Continuous Compounding Interest since a regular interval was not stated.

P(t) = Pe^(rt)

We will plug in the variables to the formula

P(t) = 31250 * e^(.12 * 2.5)

We can simplify and evaluate the compound interest.

P(t) = 42183.08

6 0

3 years ago

a jar contains 30 red, 40 blue, and 59 white buttons. you pick one button at random, .find the probability that it is blue

Cerrena [4.2K]

Answer:

40/129

Step-by-step explanation:

30 Red + 40 Blue + 59 White = 129 marbles

40 blue / 129 marbles is about 31%

6 0

3 years ago

Can any one help and fast please

sashaice [31]

Answer:

we conclude that in the second step, 3 should have been subtracted from the right side as well on the left side.

Step-by-step explanation:

Given the expression

$4 < -2x + 3 < 9$

SECOND STEP

subtract 3 from the right-hand side as well as on the left-hand side

$4-3$

SOLVING THE REMAINING COMPLETE COMPRESSION

$1 < -2x < 6$

Divide all parts by -2

Please note that multiply or divide an inequality by a negative number flips the inequality sign.

so the expression becomes

$\frac{1}{-2}\:$

$\frac{1}{-2}\:>x\:$

Hence, from the explanation, we conclude that in the second step, 3 should have been subtracted from the right side as well on the left side.

3 0

3 years ago

A pancake recipe calls for 1/4 of a cup of powdered milk and three have cups of whole wheat flour for each batch of pancakes. If

DedPeter [7]

1/4•4= 1 cup of powdered milk
3•4= 12 cups of whole wheat flour

4 0

3 years ago